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| Product | Description | |
|---|---|---|
| Cephalosporin Impurity 8 | Cephalosporin Impurity 8. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-4-methoxybenzyl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. CAS No. 104146-10-3. Molecular formula: C24H23ClN2O5S. Mole weight: 486.97. Catalog: APB104146103. |  |
| Cephalosporin Impurity 9 | Cephalosporin Impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 104758-14-7. Molecular formula: C15H14N2O6S2. Mole weight: 382.4. Catalog: APB104758147. | |
| 1-(2-Dimethylaminoethyl)-5-mercaptotetrazole | 1-(2-Dimethylaminoethyl)-5-mercaptotetrazole is an impurity of Cefotiam, a semi-synthetic cephalosporin antibiotic. Group: Biochemicals. Grades: Highly Purified. CAS No. 61607-68-9. Pack Sizes: 5g, 10g. Molecular Formula: C5H11N5S, Molecular Weight: 173.24. US Biological Life Sciences. |  Worldwide |
| 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium Chloride | 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium Chloride (Cefepime EP Impurity E) is an impurity in the synthesis of Cefepime (C242750), a semisynthetic, fourth generation cephalosporin antibiotic. Antibacterial. Group: Biochemicals. Grades: Highly Purified. CAS No. 103121-85-3. Pack Sizes: 5mg, 50mg. Molecular Formula: C13H20ClN3O3S, Molecular Weight: 333.83. US Biological Life Sciences. | Worldwide |
| 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium-d3 Chloride | 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methylpyrrolidinium-d3 Chloride is an isotope labelled impurity in the synthesis of Cefepime (C242750), a semisynthetic, fourth generation cephalosporin antibiotic. Antibacterial. Group: Biochemicals. Grades: Highly Purified. CAS No. 131857-25-5. Pack Sizes: 1mg. Molecular Formula: C13H17D3ClN3O3S. US Biological Life Sciences. | Worldwide |
| (1R,2S,2'S,6'R,7'R)-7'-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-9-methyl-7,8,8'-trioxo-4,5'-dithia-1,1',6,9-tetraazaspiro [bicyclo[3.3.1]non[5]ene-2,3'-bicyclo[4.2.0]octane]-2'-carboxylic acid | Ceftriaxone Sodium Impurity. Ceftriaxone Sodium is an antibiotic, a third-generation cephalosporin. It has broad-spectrum activity against Gram-positive bacteria and expanded Gram-negative coverage. Synonyms: Ceftriaxone sodium impurity 13. CAS No. 1637561-91-1. Molecular formula: C18H18N8O7S3. Mole weight: 554.57. |  |
| ?2-Cefpodoxime Proxetil | ?2-Cefpodoxime Proxetil (Cefpodoxime Proxetil EP Impurity C) is a structural isomer of Cefpodoxime Proxetil (C243860); an antibacterial and broad spectrum, orally absorbed third generation cephalosporin. Group: Biochemicals. Grades: Highly Purified. CAS No. 339528-86-8. Pack Sizes: 10mg, 100mg. Molecular Formula: C21H27N5O9S2. US Biological Life Sciences. | Worldwide |
| 2-Formyl-cefpodoxime Proxetil | 2-Formyl-cefpodoxime Proxetil (Cefpodoxime Proxetil EP Impurity F) is a useful intermediate to prepare cefpodoxime proxetil (C243860), a cephalosporin antibiotic used to treat bacterial infections. Group: Biochemicals. Grades: Highly Purified. CAS No. 96680-30-7. Pack Sizes: 5mg, 10mg. Molecular Formula: C22H27N5O10S2, Molecular Weight: 585.61. US Biological Life Sciences. | Worldwide |
| 4-Nitrobenzyl (6R,7R)-7-amino-8-oxo-3-((S)-tetrahydrofuran-2-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride | An impurity of Cefovecin, which is a third-generation cephalosporin antibiotic primarily used in veterinary medicine to treat bacterial infections in dogs and cats. Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-8-oxo-3-[(2S)-tetrahydro-2-furanyl]-, (4-nitrophenyl)methyl ester, hydrochloride (1:1), (6R,7R)-; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-8-oxo-3-[(2S)-tetrahydro-2-furanyl]-, (4-nitrophenyl)methyl ester, monohydrochloride, (6R,7R)-; (6R,7R)-7-Amino-8-oxo-3-((2S)-tetrahydrofuran-2-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 4-nitrobenzyl ester HCL; (4-Nitrophenyl)methyl (6R,7R)-7-amino-8-oxo-3-[(2S)-tetrahydro-2-furanyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride. Grade: >95%. CAS No. 655233-39-9. Molecular formula: C18H20ClN3O6S. Mole weight: 441.89. | |
| (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)thio) methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide | Ceftriaxone Sodium Impurity. Ceftriaxone Sodium is an antibiotic, a third-generation cephalosporin. It has broad-spectrum activity against Gram-positive bacteria and expanded Gram-negative coverage. Synonyms: Ceftriaxone Sodium Impurity 10. CAS No. 97466-28-9. Molecular formula: C18H18N8O8S3. Mole weight: 570.57. | |
| 7-Amino-3-methyl-3-cephem-4-carboxylic acid | 7-Amino-3-methyl-3-cephem-4-carboxylic acid is a metabolite of Cefadroxil, which is a semisynthetic first generation oral cephalosporin used to treat urinary tract infections. Synonyms: 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-methyl-8-oxo-, (6R,7R)-; 5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 7-amino-3-methyl-8-oxo-, (6R-trans)-; 3-Methyl-7-amino-Δ3-cephem-4-carboxylic acid; 3-Methyl-7-aminoceph-3-em-4-carboxylic acid; 7-ADCA; 7-Amino-3-deacetoxycephalosporanic acid; 7-Amino-3-desacetoxycephalosporanic acid; 7-Amino-3-methyl-3-cephen-4-carboxylic acid; 7-Amino-3-methyl-Δ3-cephan-4-carboxylic acid; 7-Amino-3-methyl-Δ3-cephem-4-carboxylic acid; 7-Amino-3-methylcephalosporanic acid; 7-Aminodeacetoxycephalexanic acid; 7-Aminodeacetoxycephalosporanic acid; 7-Aminodesacetoxycephalosporanic acid; 7-β-Amino-3-methyl-3-cephem-4-carboxylic acid; 7β-Amino-3-methylceph-3-em-4-carboxylic acid; Deacetoxycephalosporanic acid; Cefadroxil EP Impurity B. Grade: ≥95%. CAS No. 22252-43-3. Molecular formula: C8H10N2O3S. Mole weight: 214.24. | |
| Anticefepime | Anticefepime is an impurity of Cefepime, an fourth generation cephalosporin antibiotic. Synonyms: Cefepime Impurity A; (6R,7R)-7-[[(2E)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; Cefepime EP Impurity A; Anti-cefepime; E-Cefepime; (E)-Cefepime; 1-[[(6R,7R)-7-[[(2E)-2-(2-Amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methyl-pyrrolidinium inner salt; Pyrrolidinium, 1-[[(6R,7R)-7-[[(2E)-2-(2-amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methyl-, inner salt; Pyrrolidinium, 1-[[7-[[(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methyl-, inner salt, [6R-[6α,7β(E)]]-; Cefepime dihydrochloride monohydrate EP Impurity A. Grade: 90%. CAS No. 97164-57-3. Molecular formula: C19H24N6O5S2. Mole weight: 480.57. | |
| Cefaclor EP Impurity B | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: 7-amino-3-chloro-8-oxo-, (6R,7R)-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 53994-69-7. Molecular formula: C7H7ClN2O3S. Mole weight: 234.66. | |
| Cefaclor EP Impurity C | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Uses: Anti-bacterial agents. Synonyms: [6R-[6α,7β(S*)]]-7-[(Aminophenylacetyl)amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: > 95%. CAS No. 143059-69-2. Molecular formula: C15H14ClN3O4S. Mole weight: 367.81. | |
| Cefaclor EP Impurity D | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: (6R,7R)-7-[[(2R)-Aminophenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic Acid; Cefaclor Delta-3-Isomer. Grade: > 95%. CAS No. 152575-13-8. Molecular formula: C15H14ClN3O4S. Mole weight: 367.81. | |
| Cefaclor EP Impurity D (2R-Isomer) | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: (2R,6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid; Cefaclor EP Impurity D; delta-3-cefaclor. Molecular formula: C15H14ClN3O4S. Mole weight: 367.81. | |
| Cefaclor EP Impurity D (2S-Isomer) | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: (2S,6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid; Cefaclor EP Impurity D; delta-3-cefaclor. Molecular formula: C15H14ClN3O4S. Mole weight: 367.81. | |
| Cefaclor EP Impurity E | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: Cefaclor Open-Ring Impurity; 2-((R)-2-Amino-2-phenylacetamido)-2-(5-chloro-4-oxo-3,4-dihydro-2H-1,3-thiazin-2-yl)acetic Acid. Grade: 95%. CAS No. 188915-50-6. Molecular formula: C14H14ClN3O4S. Mole weight: 355.80. | |
| Cefaclor EP Impurity G | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: [6R-[6α,7β(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid. Grade: > 95%. CAS No. 67308-21-8. Molecular formula: C16H17N3O4S. Mole weight: 347.39. | |
| Cefaclor EP Impurity G (2R-Isomer) | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: (2R,6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid; Cefaclor EP Impurity G; isocefalexine. Molecular formula: C16H17ClN3O4S. Mole weight: 347.39. | |
| Cefaclor EP Impurity G (2S-Isomer) | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: (2S,6R,7R)-7-[[(2R)-2-amino-2-phenylacetyl]amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid; Cefaclor EP Impurity G; isocefalexine. Molecular formula: C16H17ClN3O4S. Mole weight: 347.39. | |
| Cefaclor EP Impurity H | An impurity of Cefaclor, a second-generation cephalosporin antibiotic used for the treatment of a wide variety of bacterial infections. Synonyms: (6R,7R)-7-[[(2R)-2-[[(2R)-2-amino-2-phenylacetyl]amino]-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; N-phenylglycyl cefaclor. Molecular formula: C23H21ClN4O5S. Mole weight: 500.95. | |
| Cefadroxil | It is produced by the strain of Semisynthetic first generation oral cephalosporin. Its antimicrobial spectrum is the same as cefalexin, but its blood concentration is higher and longer than cefalexin. It is used to treat urinary tract infections. Uses: A broad-spectrum antibiotic. Synonyms: Cefprozil Monohydrate EP Impurity B; Cephadroxil; D-Cefadroxil; Cefadroxilo; Cefadroxilum; Duricef; BL-S578; (6R,7R)-7-((R)-2-Amino-2-(p-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid. Grade: ≥95%. CAS No. 50370-12-2. Molecular formula: C16H17N3O5S. Mole weight: 363.39. | |
| Cefalonium Impurity B | Deacetylcephalothin is an impurity in the synthesis of Cefalonium and an analog of Cephalothin a first-generation cephalosporin antibiotic used as a long-acting intramammary cerate for infusion of dairy cows. Synonyms: (6R,7R)-3-(Hydroxymethyl)-8-oxo-7-[[2-(2-thienyl)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; (6R,7R)- 3-(Hydroxymethyl)-8-oxo-7-[(2-thienylacetyl)amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; (6R-trans)-3-(Hydroxy. Grade: > 95%. CAS No. 5935-65-9. Molecular formula: C14H14N2O5S2. Mole weight: 354.41. | |
| Cefalonium Impurity C | Deacetylcephalothin Lactone is an impurity in the synthesis of Cefalonium, a first-generation cephalosporin antibiotic used as a long-acting intramammary cerate for infusion of dairy cows. Synonyms: N-[(5aR,6R)-1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-2-Thiopheneacetamide; (5aR-trans)-N-(1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-Thiopheneacetamide; 3-(hydroxymethyl)-8-oxo-7-[2. Grade: > 95%. CAS No. 10590-10-0. Molecular formula: C14H12N2O4S2. Mole weight: 336.39. | |
| Cefapirin Sodium EP Impurity A | Cefapirin Sodium EP Impurity A is an impurity of cefapirin sodium which is a cephalosporin antibiotic agent. It is effective against gram-negative and gram-positive organisms. Synonyms: Cephapirin lactone; Deacetylcephapirin lactone; Acetamide, 2-(4-pyridinylthio)-N-[(5aR,6R)-1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl]-. CAS No. 60517-75-1. Molecular formula: C15H13N3O4S2. Mole weight: 363.41. | |
| Cefapirin Sodium EP Impurity B | Cefapirin Sodium EP Impurity B is an impurity of cefapirin sodium which is a cephalosporin antibiotic agent. Uses: A metabolite of cephapirin (c261500) in bovine milk. Synonyms: Desacetylcephapirin; Desacetyl cephapirin; 3-(Hydroxymethyl)-8-oxo-7-((2-(4-pyridylthio)acetyl)amino)-5-thia-1-azabicyclo(4.2.0)oct-2-ene-carboxylic acid. CAS No. 38115-21-8. Molecular formula: C15H15N3O5S2. Mole weight: 381.43. | |
| Cefapirin Sodium EP Impurity C | Cefapirin Sodium EP Impurity C is an impurity of cefapirin sodium which is a cephalosporin antibiotic agent. It is effective against gram-negative and gram-positive organisms. Synonyms: Deacetoxycefapirin; 5-Thia-1-azabicyclo(4.2.0)oct-2-ene-2-carboxylic acid, 3-methyl-8-oxo-7-(((4-pyridinylthio)acetyl)amino)-, (6R-trans)-. CAS No. 47364-76-1. Molecular formula: C15H15N3O4S2. Mole weight: 365.42. | |
| Cefcapene side-chain acid transisomer | An impurity of Cefcapene. Cefcapene is a semisynthetic third-generation cephalosporin antibiotic with broad-spectrum antibacterial activity. It is primarily used to treat various bacterial infections, including respiratory and urinary tract infections. Synonyms: Cefcapene Impurity 2; 4-Thiazoleacetic acid, 2-[[(1,1-dimethylethoxy)carbonyl]amino]-α-propylidene-, (E)-; (E)-2-(2-((tert-Butoxycarbonyl)amino)thiazol-4-yl)pent-2-enoic acid. Grade: ≥95%. CAS No. 159860-40-9. Molecular formula: C13H18N2O4S. Mole weight: 298.36. | |
| Cefdinir Impurity 1 (Impurity G) | 3-Desethenyl-3-methyl Cefdinir is an impurity of Cefdinir; a cephalosporin antibiotic structurally similar to Cefixime. Synonyms: (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; [6R-[6α,7β(Z)]]-7-[[(2-Amino-4-thiazolyl)(hydroxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct. Grade: > 95%. CAS No. 71091-93-5. Molecular formula: C13H13N5O5S2. Mole weight: 383.41. | |
| Cefdinir Impurity A | (αZ)-2-Amino-α-(hydroxyimino)-4-thiazoleacetamide is an impurity/ degradation product of Cefdinir ; a cephalosporin antibiotic structurally similar to Cefixime. Synonyms: (Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamide; Cefdinir Impurity A. Grade: > 95%. CAS No. 1450758-21-0. Molecular formula: C5H6N4O2S. Mole weight: 186.19. | |
| Cefdinir Related Compound B | Cefdinir Related Compound B is the impurity of Cefdinir, a Cephalosporin antibiotic structurally similar to Cefixime. It can be used to treat infections caused by several Gram-negative and Gram-positive bacteria. Synonyms: (6R-trans)-7-[[(2-Amino-4-thiazolyl)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grade: 95%. CAS No. 79350-10-0. Molecular formula: C14H14N4O4S2. Mole weight: 366.42. | |
| Cefepime dioxime | An impurity of Cefepime. Cefepime is a fourth-generation cephalosporin antibiotic known for its broad-spectrum activity against a wide range of Gram-positive and Gram-negative bacteria. It is particularly effective against many organisms that are resistant to other antibiotics, including some beta-lactamase-producing strains. Cefepime is often used to treat severe infections such as pneumonia, urinary tract infections, and bloodstream infections. Synonyms: Cefepime Impurity B; (6R,7R)-7-[[(2Z)-[2-[[(2Z)-(2-Aminothiazol-4-yl)(methoxyimino)acetyl]amino]thiazol-4-yl](methoxyimino)acetyl]amino]-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; Pyrrolidinium, 1-[[(6R,7R)-7-[[(2Z)-2-[2-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-4-thiazolyl]-2-(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methyl-, inner salt; (6R,7R)-7-((Z)-2-(2-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; Cefepime EP Impurity B; Cefepime dihydrochloride monohydrate EP Impurity B. Grade: ≥95%. CAS No. 2923899-40-3. Molecular formula: C25H29N9O7S3. Mole weight: 663.75. | |
| Cefepime EP Impurity C | A metabolite of Cefepime. Cefepime is a fourth-generation cephalosporin antibiotic known for its broad-spectrum activity against a wide range of Gram-positive and Gram-negative bacteria. It is particularly effective against many organisms that are resistant to other antibiotics, including some beta-lactamase-producing strains. Cefepime is often used to treat severe infections such as pneumonia, urinary tract infections, and bloodstream infections. Synonyms: Cefepime Impurity C; Cefepime dihydrochloride monohydrate EP Impurity C; (2Z)-2-(2-Aminothiazol-4-yl)-N-(formylmethyl)-2-(methoxyimino)acetamide; (Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)-N-(2-oxoethyl)acetamide; T 2588G; THR 221V; (Z)-2-Amino-α-(methoxyimino)-N-(2-oxoethyl)-4-thiazoleacetamide; Thiazolyloxime. acetaldehyde; USP Cefepime Related Compound C; Cefepime USP Related Compound C; Cefepime Related Compound C. Grade: >95%. CAS No. 104301-63-5. Molecular formula: C8H10N4O3S. Mole weight: 242.26. | |
| Cefepime EP Impurity F | An impurity of Cefepime. Cefepime is a fourth-generation cephalosporin antibiotic known for its broad-spectrum activity against a wide range of Gram-positive and Gram-negative bacteria. It is particularly effective against many organisms that are resistant to other antibiotics, including some beta-lactamase-producing strains. Cefepime is often used to treat severe infections such as pneumonia, urinary tract infections, and bloodstream infections. Synonyms: Cefepime Impurity F; Cefepime dihydrochloride monohydrate EP Impurity F; (6R,7R)-7-[[[(6R,7R)-7-[[(2Z)-(2-Aminothiazol-4-yl)-(methoxyimino)acetyl]amino]-3-[(1-methylpyrrolidinio)-methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-2-yl]-carbonyl]amino]-3-[(1-methylpyrrolidinio)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; Cefepime NMP-ACA Impurity; Cefepime EP Impurity F; (6R,7R)-7-((6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate; Cefepime dimer. Grade: ≥95%. Molecular formula: C32H42N9O7S3+. Mole weight: 760.92. | |
| Cefepime Related Compound A | An impurity of Cefepime. Cefepime is a fourth-generation cephalosporin antibiotic known for its broad-spectrum activity against a wide range of Gram-positive and Gram-negative bacteria. It is particularly effective against many organisms that are resistant to other antibiotics, including some beta-lactamase-producing strains. Cefepime is often used to treat severe infections such as pneumonia, urinary tract infections, and bloodstream infections. Synonyms: 1-({(6R,7R)-7-[(E)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl}methyl)-1-methylpyrrolidinium chloride; USP Cefepime Related Compound A; Cefepime USP Related Compound A; E-Cefepime chloride salt; (E)-Cefepime chloride; Pyrrolidinium, 1-[[(6R,7R)-7-[[(2E)-2-(2-amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methyl-, chloride (1:1); Pyrrolidinium, 1-[[7-[[(2-amino-4-thiazolyl)(methoxyimino)acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methyl-, chloride, [6R-[6α,7β(E)]]-; 1-(((6R,7R)-7-((E)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)-1-methylpyrrolidin-1-ium chloride. Grade: ≥95%. Molecular formula: C19H25ClN6O5S2. Mole weight: 517.02. | |
| Cefepime Related Compound B | An impurity of Cefepime. Cefepime is a fourth-generation cephalosporin antibiotic known for its broad-spectrum activity against a wide range of Gram-positive and Gram-negative bacteria. It is particularly effective against many organisms that are resistant to other antibiotics, including some beta-lactamase-producing strains. Cefepime is often used to treat severe infections such as pneumonia, urinary tract infections, and bloodstream infections. Synonyms: 1-({(6R,7R)-7-[(Z)-2-{2-[(Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido]thiazol-4-yl}-2-(methoxyimino)acetamido]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl}methyl)-1-methylpyrrolidinium chloride; USP Cefepime Related Compound B; Cefepime USP Related Compound B; Cefepime dioxime chloride salt. Grade: ≥95%. Molecular formula: C25H30ClN9O7S3. Mole weight: 700.20. | |
| Cefepime Related Compound E | An impurity of Cefepime. Cefepime is a fourth-generation cephalosporin antibiotic known for its broad-spectrum activity against a wide range of Gram-positive and Gram-negative bacteria. It is particularly effective against many organisms that are resistant to other antibiotics, including some beta-lactamase-producing strains. Cefepime is often used to treat severe infections such as pneumonia, urinary tract infections, and bloodstream infections. Synonyms: 1-{[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl}-1-methylpyrrolidin-1-ium chloride; 7-Amino-3-[(1-methylpyrrolidin-1-ium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride; Pyrrolidinium, 1-[[(6R,7R)-7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-1-methyl-, chloride; Pyrrolidinium, 1-[(7-amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl]-1-methyl-, hydroxide, inner salt, monohydrochloride, (6R-trans)-; USP Cefepime Related Compound E; Cefepime USP Related Compound E; Cefepime amine derivative; (6R,7R)-7-Amino-3-[(1-methylpyrrolidinium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate chloride. Grade: ≥95%. CAS No. 103121-85-3. Molecular formula: C13H20ClN3O3S. Mole weight: 333.83. | |
| Cefepime Related Compound F | An impurity of Cefepime. Cefepime is a fourth-generation cephalosporin antibiotic known for its broad-spectrum activity against a wide range of Gram-positive and Gram-negative bacteria. It is particularly effective against many organisms that are resistant to other antibiotics, including some beta-lactamase-producing strains. Cefepime is often used to treat severe infections such as pneumonia, urinary tract infections, and bloodstream infections. Synonyms: 1-{[(6R,7R)-7-[(Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido]-2-{(6R,7R)-2-carboxy-3-[(1-methylpyrrolidinium-1-yl)methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-ylcarbamoyl}-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl}-1-methylpyrrolidinium chloride; Cefepime dimer; USP Cefepime Related Compound F; Cefepime USP Related Compound F; Cefepime Related Compound F. Grade: ≥95%. Molecular formula: C32H43Cl2N9O7S3. Mole weight: 832.83. | |
| Cefixime EP Impurity C (Cefixime 7-epimer) | Cefixime EP Impurity C is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: 108691-83-4; 7-epi-Cefixime (Cefixime EP Impurity C); (6R,7S)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; Cefixime EP Impurity C (Cefixime 7-epimer); DTXSID20747309. Grade: > 95%. CAS No. 108691-83-4. Molecular formula: C16H15N5O7S2. Mole weight: 453.46. | |
| Cefixime EP Impurity D | Cefixime EP Impurity D is an impurity of cefixime which is a semi-synthetic third-generation oral cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: (E)-Cefixime; [6R-[6α,7β(E)]]-7-[[(2-Amino-4-thiazolyl)[(carboxymethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grade: 95%. CAS No. 97164-56-2. Molecular formula: C16H15N5O7S2. Mole weight: 453.45. | |
| Cefixime impurity A | Cefixime EP Impurity A is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: α-[[(Z)-2-(2-amino-4-thiazolyl)-2-[(carboxymethoxy)imino]acetyl]amino]-2-[(2R)-5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]acetic Acid. Grade: > 95%. CAS No. 1335475-08-5. Molecular formula: C16H17N5O8S2. Mole weight: 471.47. | |
| Cefixime Impurity B (Mixture of Diastereomers) | Cefixime EP Impurity B is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: Acetic acid, 2-[[(Z)?-[1-(2-amino-4-thiazolyl)?-2-oxo-2-[[(1,?2,?5,?7-tetrahydro-5-methyl-7-oxo-4H-furo[3,?4-d]?[1,?3]?thiazin-2-yl)?methyl]?amino]?ethylidene]?amino]?oxy]?-. Grade: > 95%. CAS No. 1335475-19-8. Molecular formula: C15H17N5O6S2. Mole weight: 427.46. | |
| Cefixime Impurity E | Cefixime EP Impurity E is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: Cefixime Impurity E; 72701-01-0; (6R,7R)-7-[[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-(carboxymethoxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; (6R,7R)-7-({(2Z)-2-(2-Amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetyl}amino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; DTXSID00747524; (6R,7R)-7-[(2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-[(carboxymethoxy)imino]acetamido]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: > 95%. CAS No. 72701-01-0. Molecular formula: C15H15N5O7S2. Mole weight: 441.44. | |
| Cefixime Impurity F | Cefixime EP Impurity F is an impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: Cefixime Ethyl Ester Sodium Salt; (6R,7R)-7-[[(Z)-2-(2-aminothiazol-4-yl)-2-[(2-ethoxy-2- oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2- ene-2-carboxylic acid. Grade: > 95%. CAS No. 79368-95-9. Molecular formula: C18H19N5O7S2. Mole weight: 481.51. | |
| Cefixime methyl ester | Cefixime Methyl Ester is an ester impurity of the third generation cephalosporin antibiotic, Cefixime. Synonyms: (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[(2-methoxy-2-oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; [6R-[6α,7β(Z)]]-7-[[(2-Amino-4-thiazolyl)[(2-methoxy-2-oxoethoxy)imino]acetyl]amino]-3-ethenyl-8-. Grade: > 95%. CAS No. 88621-01-6. Molecular formula: C17H17N5O7S2. Mole weight: 467.48. | |
| Cefoperazone A | An impurity of Cefoperazone. It is produced by the strain of Semisynthetic third generation cephalosporin for injection. Cefoperazone with the third generation of cephalosporin connectivity, and has good antibacterial effect to pseudomonas aeruginosa (MIC90 is 8 ?/mL). It is also used in the treatment of Pseudomonas infections. It has been used to treat respiratory tract infections, peritonitis, skin infections, endometritis, and bacterial septicemia. Synonyms: (6R,7R)-7-((R)-2-(3-(2-(1-carboxy-N-ethylformamido)ethyl)ureido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio) methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 73240-07-0. Molecular formula: C25H29N9O9S2. Mole weight: 663.68. | |
| Cefprozil Amide | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: (R)-2-((6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-enyl)-5-thia-1-azabicyclo[4.2.0]oct-2-enecarboxamido)-2-(4-hydroxyphenyl)acetic acid. Molecular formula: C26H26N4O7S. Mole weight: 538.57. | |
| Cefprozil Dimer | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: (6R,7R)-3-[(E)-1-Propenyl]-7-[(2R)-2-({(7S)-4-[(E)-1-propenyl]-7-[(2R)-2-amino-2-(p-hydroxyphenyl)acetylamino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-en-3-yl}carbonylamino)-2-(p-hydroxyphenyl)acetylamino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Molecular formula: C36H36N6O9S2. Mole weight: 760.84. | |
| Cefprozil (E)-isomer | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Uses: Beta lactam antibiotics. Synonyms: E-Cefprozil; (6R,7R)-7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. CAS No. 92676-86-3. Molecular formula: C18H19N3O5S. Mole weight: 389.43. | |
| Cefprozil L-Epimer | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: (2S,3'Z)-Cefprozil; (6R,7R)-7-[(S)-2-Amino-2-(4-hydroxyphenyl)acetamido]-8-oxo-3-[(Z)-prop-1-enyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 110764-35-7. Molecular formula: C18H19N3O5S. Mole weight: 389.43. | |
| Cefprozil Monohydrate EP Impurity C | Cefprozil Monohydrate EP Impurity C is an impurity of Cefprozil, which is a semisynthetic, broad-spectrum, second-generation cephalosporin with antibacterial activity. Synonyms: Hydroxyphenyldiketopiperazine; (Z)-3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione. Grade: 90%. CAS No. 147103-93-3. Molecular formula: C11H11N3O3. Mole weight: 233.23. | |
| Cefprozil Monohydrate EP Impurity D | An impurity of Cefprozil, which is a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: Cefprozil USP Related Compound D; 7-Amino-3-propenylcephalosporanic acid (Z-isomer). Grade: 90%. CAS No. 106447-44-3. Molecular formula: C10H12N2O3S. Mole weight: 240.28. | |
| Cefprozil Monohydrate EP Impurity E | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: O-Acyl cefprozil (USP); (Z)-O-((2R)-2-amino-2-(4-hydroxyphenyl)acetyl)cefprozil. Grade: 90%. Molecular formula: C26H26N4O7S. Mole weight: 538.57. | |
| Cefprozil Monohydrate EP Impurity F | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: Cefprozil USP Related Compound D (E isomer); 7-APRA; (6R,7R)-7-Amino-8-oxo-3-[(1E)-prop-1-enyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; 7-Amino-3-propenylcephalosporanic acid (E-isomer). Grade: > 95%. CAS No. 107937-01-9. Molecular formula: C10H12N2O3S. Mole weight: 240.28. | |
| Cefprozil Monohydrate EP Impurity G | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: Z-Cefprozil open ring (USP); (Z)-open ring cefprozil; (R)-2-{(R)-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}-5-[(Z)-prop-1-enyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid. Grade: 90%. Molecular formula: C18H21N3O6S. Mole weight: 407.44. | |
| Cefprozil Monohydrate EP Impurity H | Cefprozil EP impurity H is an impurity of Cefprozil, which is a semisynthetic, broad-spectrum, second-generation cephalosporin with antibacterial activity. Synonyms: Cefprozil related compound H (Z)-isomer; N-Acyl cefprozil (Z-isomer); (Z)-N-((2R)-2-amino-2-(4-hydroxyphenyl)acetyl) cefprozil; (6R,7R)-7-{(R)-2-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido]-2-(4-hydroxyphenyl)acetamido}-8-oxo-3-[(Z)-prop-1-enyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: ≥95%. Molecular formula: C26H26N4O7S. Mole weight: 538.57. | |
| Cefprozil Monohydrate EP Impurity I | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: E-Cefprozil open ring; (R)-2-{(R)-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido](carboxy)methyl}-5-[(E)-prop-1-enyl]-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid. Grade: 90%. Molecular formula: C18H21N3O6S. Mole weight: 407.44. | |
| Cefprozil Monohydrate EP Impurity J | Cefprozil EP impurity J is an impurity of Cefprozil, which is a semisynthetic, broad-spectrum, second-generation cephalosporin with antibacterial activity. Synonyms: Cefprozil related compound H (E)-isomer; N-Acyl cefprozil (E-isomer); (6R,7R)-7-{(R)-2-[(R)-2-Amino-2-(4-hydroxyphenyl)acetamido]-2-(4-hydroxyphenyl)acetamido}-8-oxo-3-[(E)-prop-1-enyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: ≥95%. Molecular formula: C26H26N4O7S. Mole weight: 538.57. | |
| Cefprozil Monohydrate EP Impurity K | Cefprozil EP impurity K is an impurity of Cefprozil, which is a semisynthetic, broad-spectrum, second-generation cephalosporin with antibacterial activity. Synonyms: Mixture of 4 diastereoisomers of (3RS,6RS)-3-[(2R,5R)-5-ethyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl]-6-(4-hydroxyphenyl)piperazine-2,5-dione. Grade: ≥95%. Molecular formula: C18H19N3O5S. Mole weight: 389.43. | |
| Cefprozil Monohydrate EP Impurity L | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: (R)-2-Hydroxyethyl 2-amino-2-(4-hydroxyphenyl)acetate; (R)-α-Amino-4-hydroxy-Benzeneacetic Acid 2-Hydroxyethyl Ester. Grade: > 95%. CAS No. 203007-73-2. Molecular formula: C10H13NO4. Mole weight: 211.22. | |
| Cefprozil Monohydrate EP Impurity M | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Synonyms: Ethoxycarbonylcefprozil (Z)-isomer; (Z)-O-ethoxycarbonyl cefprozil; (6R,7R)-7-{(R)-2-Amino-2-[4-(ethoxycarbonyloxy)phenyl]acetamido}-8-oxo-3-[(Z)-prop-1-en-1-yl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 1605314-84-8. Molecular formula: C21H23N3O7S. Mole weight: 461.49. | |
| Cefprozil Monohydrate EP Impurity N | Cefprozil EP impurity N is an impurity of Cefprozil, which is a semisynthetic, broad-spectrum, second-generation cephalosporin with antibacterial activity. Synonyms: (E)-O-Ethoxycarbonyl cefprozil; (6R,7R)-7-((R)-2-amino-2-(4-((ethoxycarbonyl)oxy)phenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: ≥95%. CAS No. 1605314-85-9. Molecular formula: C21H23N3O7S. Mole weight: 461.49. | |
| Cefprozil (Z)-isomer | An impurity of Cefprozil, a cephalosporin antibiotic used to treat a variety of bacterial infections. Uses: Beta lactam antibiotics. Synonyms: Z-Cefprozil; (Z)-Cefprozil; Brisoral; cis-Cefprozil; (6R,7R)-7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. Grade: 95%. CAS No. 121412-77-9. Molecular formula: C18H19N3O5S. Mole weight: 389.43. | |
| Cefradine Impurity 1 | 4',5'-Dihydrocephradine is an impurity in the synthesis of Cephradine, a first generation cephalosporin antibiotic. Cephradine has broad spectrum of bactericidal activity against infections caused by Streptococcus, Staphylococcus, Diplococcus pneumoniae, Escherichia, Klebsiella, Salmonella, and indole-negative Proteus. Synonyms: [6R-[6α,7β(R*)]?]-7-[(Amino-1-cyclohexen-1-ylacetyl)amino]-3-methyl-8-oxo-5-thia-1-tazabicyclo[4.2.0]?oct-2-ene-2-carboxylic Acid; 3-Deacetoxy-7-(α-amino-1-cyclohexenylacetamido)cephalosporanic Acid; 7-[α-Amino(D-1'-cyclohexenyl)acetamido]-3-deacet. Grade: > 95%. CAS No. 37051-00-6. Molecular formula: C16H21N3O4S. Mole weight: 351.43. | |
| Ceftriaxone 3-ene isomer | An impurity of Ceftriaxone, a cephalosporin antibiotic for the treatment of various bacterial infections. Molecular formula: C18H18N8O7S3. Mole weight: 554.57. | |
| Ceftriaxone EP Impurity B | An impurity of Cefotaxime sodium. It is also a degradation product for other cephalosporin antibiotics such as: Ceftriaxone , Cefodizime and Ceftiofur. Synonyms: [5aR-[5aα,6β(Z)]]-2-Amino-α-(methoxyimino)-N-(1,4,5a,6-tetrahydro-1,7-dioxo-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-4-thiazoleacetamide; 3-Desacetyl Cefotaxime Lactone; Deacetylcefotaxime lactone. Grade: > 95%. CAS No. 66340-33-8. Molecular formula: C14H13N5O5S2. Mole weight: 395.42. | |
| Ceftriaxone EP Impurity C | An impurity of Ceftriaxone, a cephalosporin antibiotic for the treatment of various bacterial infections. Synonyms: Tetrahydro-2-methyl-3-thioxo-1,2,4-triazine-5,6-dione; Ro 11-8390; 2-Methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazine-3-thiol; Ceftriaxone triazine analog. Grade: > 95%. CAS No. 58909-39-0. Molecular formula: C4H5N3O2S. Mole weight: 159.17. | |
| Ceftriaxone EP Impurity D | An impurity of Ceftriaxone, a cephalosporin antibiotic for the treatment of various bacterial infections. Synonyms: S-2-Benzothiazolyl 2-amino-alpha-(methoxyimino)-4-thiazolethiolacetate; (2Z)-2-(2-amino-4-thiazolyl)-2-methoxyiminoethanethioic acid S-(1,3-benzothiazol-2-yl) ester; Ceftriaxone benzothiazolyloxime. Grade: > 95 %. CAS No. 80756-85-0. Molecular formula: C13H10N4O2S3. Mole weight: 350.44. | |
| Ceftriaxone EP Impurity E | An impurity of Ceftriaxone, a cephalosporin antibiotic for the treatment of various bacterial infections. Synonyms: Deacyl ceftriaxone; (6R,7R)-7-Amino-8-oxo-3-[[(1,2,5,6-tetrahydro-2-methyl-5,6-dioxo-1,2,4-triazin-3-yl)thio]methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grade: > 95%. CAS No. 58909-56-1. Molecular formula: C12H13N5O5S2. Mole weight: 371.4. | |
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