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| Product | Description | |
|---|---|---|
| Cephalosporin Impurity 1 | Cephalosporin Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 51762-04-0. Molecular Formula: C16H20N3NaO8S. Mole Weight: 437.4. Catalog: APB51762040. |  |
| Cephalosporin Impurity 10 | Cephalosporin Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2,3,5-trichloro-4-methoxybenzyl 3-(chloromethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular Formula: C24H20Cl4N2O5S. Mole Weight: 590.30. Catalog: APB04444. | |
| Cephalosporin Impurity 11 | Cephalosporin Impurity 11. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-methyl-2-(2-(4-methylthiazol-5-yl)ethyl)thiazole-5-carbaldehyde. Molecular Formula: C11H12N2OS2. Mole Weight: 252.36. Catalog: APB04445. | |
| Cephalosporin Impurity 12 | Cephalosporin Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H24N2O5S. Mole Weight: 452.53. Catalog: APB07402. | |
| Cephalosporin Impurity 13 | Cephalosporin Impurity 13. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C25H24N2O5S. Mole Weight: 464.54. Catalog: APB07403. | |
| Cephalosporin Impurity 15 | Cephalosporin Impurity 15. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H18N4O7S2. Mole Weight: 442.46. Catalog: APB07404. | |
| Cephalosporin Impurity 16 | Cephalosporin Impurity 16. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H20N4O8S2. Mole Weight: 484.5. Catalog: APB07406. | |
| Cephalosporin Impurity 17 | Cephalosporin Impurity 17. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C18H20N4O8S2. Mole Weight: 484.5. Catalog: APB07405. | |
| Cephalosporin Impurity 18 | Cephalosporin Impurity 18. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H24N2O6S. Mole Weight: 468.52. Catalog: APB07407. | |
| Cephalosporin Impurity 19 | Cephalosporin Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H22Cl2N2O5S. Mole Weight: 521.41. Catalog: APB07408. | |
| Cephalosporin Impurity 20 | Cephalosporin Impurity 20. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H23ClN2O5S. Mole Weight: 486.97. Catalog: APB07409. | |
| Cephalosporin Impurity 21 | Cephalosporin Impurity 21. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H20Cl4N2O5S. Mole Weight: 590.29. Catalog: APB07410. | |
| Cephalosporin Impurity 22 | Cephalosporin Impurity 22. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C11H12N2OS2. Mole Weight: 252.35. Catalog: APB07413. | |
| Cephalosporin Impurity 5 | Cephalosporin Impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 29126-11-2. Molecular Formula: C24H24N2O5S. Mole Weight: 452.53. Catalog: APB29126112. | |
| 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 8 | Cephalosporin Impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 51813-38-8. Molecular Formula: C8H9ClN2O3S. Mole Weight: 248.68. Catalog: APB51813388. | |
| Cephalosporin Impurity 8 HCl | Cephalosporin Impurity 8 HCl. Uses: For analytical and research use. Group: Impurity standards. CAS No. 223487-89-6. Molecular Formula: C8H10Cl2N2O3S. Mole Weight: 285.14. Catalog: APB223487896. | |
| Cephalosporin Impurity 9 | Cephalosporin Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-methoxybenzyl 3-(hydroxymethyl)-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate. Molecular Formula: C24H24N2O6S. Mole Weight: 468.52. Catalog: APB04446. | |
| 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 |
| ?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 |
| 3-Desacetyl Cefotaxime Lactone | 3-Desacetyl Cefotaxime Lactone is an impurity of Cefotaxime sodium. 3-Desacetyl Cefotaxime Lactone is also a degradation product for other cephalosporin antibiotics such as: Ceftriaxone , Cefodizime and Ceftiofur. Synonyms: Ceftriaxone EP Impurity B; [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. Grades: > 95%. CAS No. 66340-33-8. Molecular formula: C14H13N5O5S2. Mole weight: 395.42. |  |
| 6-Aminopenicillanic acid | It is produced by the strain of Peniclllun chrysogenum and Pleurotus ostreatus. 6-APA is the main raw material for semisynthesis of penicillin, and the key intermediates for semisynthesis of cephalosporin (7-ACA) and 7-amino-deacetylated ceosenoic acid (7-ADCA) can be generated by chemical or enzymatic ring expansion. Synonyms: 6-APA; Sulbactam Impurity B; Amoxicillin Impurity A; Amoxicillin Related Compound A; Amoxicillin EP Impurity A; Ampicillin EP Impurity A; Penicin; Penin; Aminopenicillanic acid; 6-Aps; Phenacyl 6-aminopenicillinate. Grades: > 95%. CAS No. 551-16-6. Molecular formula: C8H12N2O3S. Mole weight: 216.26. | |
| 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 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. Grades: > 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. Grades: ≥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. Grades: > 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. Grades: > 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 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. | |
| 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. Grades: > 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. Grades: > 95%. CAS No. 1450758-21-0. Molecular formula: C5H6N4O2S. Mole weight: 186.19. | |
| Cefdinir Related Compound B | (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, 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. Grades: > 95%. CAS No. 79350-10-0. Molecular formula: C14H14N4O4S2. Mole weight: 366.42. | |
| Cefepime Impurity A | Anticefepime is an impurity of Cefepime, an fourth generation cephalosporin antibiotic. Synonyms: 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; Cefepime Impurity A. Grades: > 95%. CAS No. 97164-57-3. Molecular formula: C19H24N6O5S2. Mole weight: 480.57. | |
| 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. Grades: > 95%. CAS No. 108691-83-4. Molecular formula: C16H15N5O7S2. Mole weight: 453.46. | |
| 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. Grades: > 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] ?-. Grades: > 95%. CAS No. 1335475-19-8. Molecular formula: C15H17N5O6S2. Mole weight: 427.46. | |
| Cefixime Impurity D | Cefixime EP Impurity D is an impurity of the third generation cephalosporin antibiotic, Cefixime. Grades: > 95%. CAS No. 97164-56-2. Molecular formula: C16H15N5O7S2. Mole weight: 453.46. | |
| 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. Grades: > 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. Grades: > 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-. Grades: > 95%. CAS No. 88621-01-6. Molecular formula: C17H17N5O7S2. Mole weight: 467.48. | |
| 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. Grades: 90%. Molecular formula: C26H26N4O7S. Mole weight: 538.57. | |
| 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. Grades: > 95%. CAS No. 37051-00-6. Molecular formula: C16H21N3O4S. Mole weight: 351.43. | |
| Ceftriaxone Impurity E | An impurity of Ceftriaxone, a cephalosporin antibiotic for the treatment of various bacterial infections. Synonyms: (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. Grades: > 95%. CAS No. 58909-56-1. Molecular formula: C12H13N5O5S2. Mole weight: 371.4. | |
| Cefuroxime Axetil Impurity E | (αZ)-α-(Methoxyimino)-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-furanacetamide is an impurity of Cefuroxime Axetil, the 1-(acetyloxy) ethyl ester of Cefuroxime , an injectable second generation cephalosporin with an excellent antibacterial activity. Synonyms: (αZ)-α-(Methoxyimino)-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-furanacetamide. Grades: > 95%. CAS No. 947723-87-7. Molecular formula: C15H13N3O6S. Mole weight: 363.35. | |
| Cefuroxime Sodium Impurity A (Cefuroxime Descarbamoyl) | A degradation product of Cefuroxime, and an intermediate for the synthesis of Cephalosporin antibiotics. Synonyms: (6R,7R)-7-[[(2Z)-2-(2-Furanyl)-2-(methoxyimino)acetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Cefuroxime Sodium Impurity F (EP). Grades: > 95%. CAS No. 56271-94-4. Molecular formula: C15H15N3O7S. Mole weight: 381.37. | |
| Cephalexin Related Compound | [6R-[6α,7β(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid is an impurity of Cefaclor (C235250), an second-generation cephalosporin antibiotic for antibacterial purposes. Synonyms: [6R-[6α,7β(R*)]]-7-[(Aminophenylacetyl)amino]-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic Acid Sodium Salt. Grades: > 95%. CAS No. 37050-97-8. Molecular formula: C16H16N3O4S Na. Mole weight: 346.39 22.99. | |
| Cephalosporin C | Cephalosporin C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6R,7R)-3-(acetoxymethyl)-7-((R)-5-amino-5-carboxypentanamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid. CAS No. 61-24-5. Molecular Formula: C16H21N3O8S. Mole Weight: 415.42. Catalog: APB61245. | |
| Cephalothin | It is produced by the strain of Semisynthetic first generation cephalosporin for injection. Synonyms: Cefalotin; Cephalotin; Cefalothin; Cephalothinum; Cefalonium Impurity A; Keflin; Cemastin; Cefalotina; Cefalotine; 7-(2-Thienylacetamido)cephalosporanic acid; 6R-trans-3-((Acetyloxy)methyl)-8-oxo-7-((2-thienylacetyl)amino)-5-thia-1-azabicyclo(4.2.0)-oct-2-ene-2-carboxylic acid. Grades: 98%. CAS No. 153-61-7. Molecular formula: C16H16N2O6S2. Mole weight: 396.44. | |
| Δ2-Cefepime | An impurity of Cefepime, a cephalosporin antibiotic against Gram-positive and Gram-negative bacteria. Synonyms: Pyrrolidinium, 1- [[(6R, 7R) - 7- [[(2Z) - 2- (2- amino- 4- thiazolyl) - 2- (methoxyimino) acetyl] amino] - 2- carboxy- 8- oxo- 5- thia- 1- azabicyclo[4.2.0] oct- 3- en- 3- yl] methyl] - 1- methyl- , inner salt; Delta2-Cefepime. Grades: > 95%. CAS No. 88040-25-9. Molecular formula: C19H24N6O5S2. Mole weight: 480.57. | |
| Desacetyl Cephapirin Sodium Salt | Desacetyl Cephapirin Sodium Salt is an impurity of cefapirin sodium which is a cephalosporin antibiotic agent. Synonyms: (6R,7R)-3-(Hydroxymethyl)-8-oxo-7-[[2-(4-pyridinylthio)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Sodium Salt; Deacetylcephapirin Sodium Salt; (6R-trans)-3-(Hydroxymethyl)-8-oxo-7-[[(4-pyridinylthio)acetyl]amino]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid Sodium Salt. Grades: > 95%. CAS No. 104557-24-6. Molecular formula: C15H14N3NaO5S2. Mole weight: 403.41. | |
| SKF81367 | SKF81367, an impurity of Cefuroxime, is a cephalosporin antibiotic. Synonyms: SKF81367; SKF 81367; SKF-81367; (6R,7R)-3-(acetyloxymethyl)-7-[[(2Z)-2-(furan-2-yl)-2-methoxyiminoacetyl]amino]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid; Cefuracetime; Cefuracetima; Cefuracetimum. CAS No. 39685-31-9. Molecular formula: C17H17N3O8S. Mole weight: 423.4. | |
| (Z) -2- (2-Aminothiazol-4-yl) -N- (2-hydroxyethyl) -2- (hydroxyimino) acetamide | (Z) -2- (2-Aminothiazol-4-yl) -N- (2-hydroxyethyl) -2- (hydroxyimino) acetamide is an impurity of Cefdinir (C242670), a cephalosporin antibiotic structurally similar to celfixime. Group: Biochemicals. Alternative Names: (Z)-2-Amino-N-(2-hydroxyethyl)-α-(hydroxyimino)-4-thiazoleacetamide; (αZ)-2-Amino-N-(2-hydroxyethyl)-α-(hydroxyimino)-4-thiazoleacetamide. Grades: Highly Purified. CAS No. 177703-28-5. Pack Sizes: 2.5mg. US Biological Life Sciences. | Worldwide |
| Cefazedone Impurity 11 | Intermediate in the semi-synthetic cephalosporins synthesis. Found in Acremonium chrysogenum. Synonyms: 6R,7R)-7-Amino-3-hydroxymethylceph-3-em-4-carboxylic Acid; 3-Hydroxymethyl-7-aminoceph-3-em-4-carboxylic Acid; 7-Amino-3-hydroxymethyl-3-cephem-4-carboxylic Acid; Deacetyl-7-aminocephalosporanic Acid; 7-Amino-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4. Grades: > 95%. CAS No. 15690-38-7. Molecular formula: C8H10N2O4S. Mole weight: 230.24. | |
| Cefixime Impurity (7-AVCA) | A key intermediate in the manufacturing of Cephalosporin compounds. Synonyms: (6R,7R)-7-Amino-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; (6R-trans)-7-Amino-3-ethenyl-8-oxo-5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; 7-AVCA. Grades: > 95%. CAS No. 79349-82-9. Molecular formula: C9H10N2O3S. Mole weight: 226.26. | |
| Cefoperazone Impurity D | 7-Amino-3-(1,2,3-triazol-5-ylthiomethyl)-3-cephem-4-carboxylic Acid is the 2-(triazolylthio)methyl analogue of 7-Aminocephalosporanic Acid (A603415). 7-Amino-3-(1,2,3-triazol-5-ylthiomethyl)-3-cephem-4-carboxylic Acid is used in the preparation of triazole-based semi-synthetic cephalosporins. Synonyms: (6R,7R)-7-Amino-8-oxo-3-[(1H-1,2,3-triazol-4-ylthio)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; (6R-trans)-7-Amino-8-oxo-3-[(1H-1,2,3-triazol-4-ylthio)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grades: > 95%. CAS No. 37539-03-0. Molecular formula: C10H11N5O3S2. Mole weight: 313.36. | |
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