BOC Sciences provides a wide range of research chemicals and biochemicals including inhibitors, building blocks, GMP Products, impurities and metabolites, APIs for Veterinary, Natural Compounds, ADCs, Stem Cell Molecule and chiral compounds.
| Product | Description | |
|---|---|---|
| Cefazolin Impurity E | 5-Methyl-1,3,4-thiadiazol-2-thiol, is a new potent nitrification inhibitors. It is also an intermediate in the synthesis of Thiazolylacetylglycine Oxime. Synonyms: 5-Methyl-1,3,4-Thiadiazole-2(3H)-thione; 2-Methyl-Δ2-1,3,4-thiadiazoline-5-thione; 2-Mercapto-5-methyl-1,3,4-thiadiazole; 2-Methyl-1,3,4-thiadiazol-5-thiol; 5-Methyl-2-sulfanyl-1,3,4-thiadiazole; 5-Methyl-3H-1,3,4-thiadiazole-2-thione; 5-Methyl-2-mercapto. Grades: > 95%. CAS No. 29490-19-5. Molecular formula: C3H4N2S2. Mole weight: 132.21. |  |
| Cefdinir 3-Isomer Sodium Salt | Cefdinir 3-Isomer Sodium Salt is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H12N5O5S2.Na. Mole weight: 417.39. | |
| Cefdinir 7-isomer | 7S-Cefdinir, is an isomer 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. Uses: Third generation cephalosporins. Synonyms: (6R,7S)-7-[[(2Z)-2-(2-amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-3-ethenyl-8- oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; [6R-[6α , 7α (Z)]]-7-[[ (2-amino-4-thiazolyl) (hydroxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4. 2. 0]. Grades: > 95%. CAS No. 178601-89-3. Molecular formula: C14H13N5O5S2. Mole weight: 395.42. | |
| Cefdinir delactam isomers | Cefdinir delactam isomers is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Glyoxalic Analog | (6R,7R)-7-(2-(2-Aminothiazol-4-yl)-2-oxoacetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid is used in the preparation of Cephalosporin C , an antibiottic used to study the effect of transpeptidase expression, binding, and inhibition on bacterial cell wall mucopeptide synthesis. Synonyms: (6R,7R)-7-(2-(2-Aminothiazol-4-yl)-2-oxoacetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grades: > 95%. CAS No. 79350-14-4. Molecular formula: C14H12N4O5S2. Mole weight: 380.4. | |
| 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 1 Sodium Salt | Cefdinir Impurity 1 Sodium Salt is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Synonyms: (6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate, sodium salt (1:1). CAS No. 66436-47-3. Molecular formula: C13H12N5O5S2.Na. Mole weight: 405.38. | |
| Cefdinir Impurity 4 | Cefdinir impurity formed by hydrolytic degradation pathway β-lactam ring opened lactones. Synonyms: [2RS-[2α [RS* (Z)], 5β ]]-α -[[ (2-Amino-4-thiazolyl) (hydroxyimino)acetyl]amino]-1, 2, 5, 7-tetrahydro-5-methyl-7-oxo-4H-furo[3, 4-d][1, 3]thiazine-2-acetic Acid. Grades: > 95%. CAS No. 178422-45-2. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity 5 | Cefdinir Impurity 5 is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H13N5O5S2. Mole weight: 395.41. | |
| Cefdinir Impurity 6 | Cefdinir Impurity 6 is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Synonyms: Thiazolylacetylglycine Oxime Acetal. Molecular formula: C7H10N4O4S.C7H8N4O3S. Mole weight: 474.47. | |
| Cefdinir Impurity 7 | Cefdinir Impurity 7 is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C17H18N2O4S. Mole weight: 346.40. | |
| 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 Impurity B | Cefdinir Impurity B is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H13N5O6S2. Mole weight: 411.41. | |
| Cefdinir Impurity H | Cefdinir Impurity H is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Synonyms: Cefdinir impurity H; 178949-04-7; Cefdinir decarboxy open ring lactone; 2O1193FN39; (2Z)-2-(2-amino-1,3-thiazol-4-yl)-2-hydroxyimino-N-[(5-methyl-7-oxo-1,2,4,5-tetrahydrofuro[3,4-d][1,3]thiazin-2-yl)methyl]acetamide; (Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N -(((2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H -furo(3,4-d)(1,3)thiazin-2-yl)methyl(acetamide; 2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N -(((2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H -furo(3,4-d)(1,3)thiazin-2-yl)methyl(acetamide, (Z)-; UNII-2O1193FN39; SCHEMBL23871786; (Z)-2-(2-Aminothiazol-4-yl)-2-(hydroxyimino)-N-{[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]methyl}acetamide; 4-Thiazoleacetamide, 2-amino-alpha-(hydroxyimino)-N-((1,2,5,7-tetrahydro-5-methyl-7-oxo-4H-furo(3,4-d)(1,3)thiazin-2-yl)methyl)-; 4-THIAZOLEACETAMIDE, 2-AMINO-.ALPHA.-(HYDROXYIMINO)-N-((1,2,5,7-TETRAHYDRO-5-METHYL-7-OXO-4H-FURO(3,4-D)(1,3)THIAZIN-2-YL)METHYL)-. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity I | Cefdinir Impurity I is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity J | Cefdinir Impurity J is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity K | Cefdinir Impurity K is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity L | Cefdinir Impurity L is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity P | Cefdinir Impurity P is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity Q | Cefdinir Impurity Q is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Impurity T | Cefdinir Impurity T is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C13H15N5O4S2. Mole weight: 369.42. | |
| Cefdinir Impurity U | Cefdinir Impurity U is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Molecular formula: C13H15N5O4S2. Mole weight: 369.42. | |
| Cefdinir Isoxazole Analog | Cefdinir impurity. Synonyms: (6R,7R)-7-(4-Hydroxyisoxazole-3-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grades: > 95%. CAS No. 1356842-10-8. Molecular formula: C13H11N3O6S. Mole weight: 337.31. | |
| Cefdinir Lactone | Cefdinir impurity. Synonyms: 4-Thiazoleacetamide, 2-amino-α-(hydroxyimino)?-N-[(5aR,?6R)?-1,?4,?5a,?6-tetrahydro-3-methyl-1,?7-dioxo-3H,?7H-azeto[2,?1-b]?furo[3,?4-d]?[1,?3]?thiazin-6-yl]?-, (αZ)?-. Grades: > 95%. CAS No. 946573-41-7. Molecular formula: C14H13N5O5S2. Mole weight: 395.42. | |
| 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. | |
| Cefdinir Sulfoxide | Cefdinir Sulfoxide is the oxide derivative of Cefdinir; a Cephalosporin antibiotic structurally similar to Cefixime. Synonyms: (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(hydroxyimino)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 5-Oxide. Grades: > 95%. CAS No. 934986-48-8. Molecular formula: C14H13N5O6S2. Mole weight: 411.42. | |
| Cefdinir Thiazine Analog | Cefdinir impurity. Synonyms: 2H-1,?3-Thiazine-2-acetic acid, α -[[ (2-amino-4-thiazolyl)? (hydroxyimino)?acetyl]?amino]?-4-carboxy-5-ethylidene-5, ?6-dihydro-, [R-[R*,?R*-(Z,?Z)?]?]?- (9CI). Grades: > 95%. CAS No. 178422-39-4. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefdinir Thiazine Analog Lactone Form (Mixture of Diastereomers) | Cefdinir Thiazine Analog Lactone Form (Mixture of Diastereomers) is one of Cefdinir impurities. Cefdinir is a semi-synthetic, broad-spectrum antibiotic, used for soft tissue infections and respiratory tract infections. Synonyms: α -[[ (2-Amino-4-thiazolyl) (hydroxyimino)acetyl]amino]-1, 2, 5, 7-tetrahydro-5-methyl-7-oxo-4H-Furo[3, 4-d][1, 3]thiazine-2-acetic Acid Sodium Salt; USP Cefdinir Related Compound A Sodium Salt. Grades: 95%. Molecular formula: C14H14N5NaO6S2. Mole weight: 435.41. | |
| Cefepime Impurity C | A metabolite of Cefditorin , a new oral cephem. Synonyms: (Z)-2-Amino-α-(methoxyimino)-N-(2-oxoethyl)-4-thiazoleacetamide; THR 221V; Cefepime Impurity. Grades: > 95%. CAS No. 104301-63-5. Molecular formula: C8H10N4O3S. Mole weight: 242.26. | |
| Cefetamet | Cefetamet is a third-generation cephalosporin antibiotic and the active agent of Cefeamet pivoxil after hydrolysis. Uses: Anti-bacterial agents. Synonyms: Cepime O; Deacetoxycefotaxime; FR 13300; LY 97964; Ro 15-8074; Ro 15-8074/005; Ultipime O; Altamet; Antibiotic Ro 15-8074; (6R, 7R)-7-[[ (2Z)- (2-Amino-4-thiazolyl) (methoxyimino)acetyl]amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4. 2. 0]oct-2-ene-2-carboxylic Ac. Grades: > 95%. CAS No. 65052-63-3. Molecular formula: C14H15N5O5S2. Mole weight: 397.43. | |
| 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 (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. | |
| 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. | |
| Cefmetazole Impurity 8 | 7-[[[(cyanomethyl)thio]acetyl]amino]-7-Methoxy Cephalosporanic Acid is an metabolite of Cefmetazole, an semi-synthetic antibiotic derived from Cephamycin. 7-[[[(cyanomethyl)thio]acetyl]amino]-7-Methoxy Cephalosporanic Acid have also shown bactericidal activity in various studies. Synonyms: (6R-cis)-3-[(Acetyloxy)methyl]-7-[[[(cyanomethyl)thio]acetyl]amino]-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grades: > 95%. CAS No. 56796-16-8. Molecular formula: C15H17N3O7S2. Mole weight: 415.45. | |
| Cefminox Sodium Impurity 2 | an impurity of cefminox. Synonyms: 5H-Tetrazole-5-thione, 1,?2-dihydro-1-methyl-, sodium salt. Grades: > 95%. CAS No. 51138-06-8. Molecular formula: C2H3N4S Na. Mole weight: 115.14 22.99. | |
| Cefodizime Impurity (2-Mercapto-4-methyl-5-thiazoleacetic acid) | an isomer of cefodizime. Synonyms: 2-mercapto-4-methyl-5-thiazoleaceticaci; 2-MERCAPTO-4-METHYL-5-THIAZOLEACETIC ACID; 2-MERCAPTO-4-METHYLTHIAZOLE-5-ACETIC ACID; MMTA; 2,3-dihydro-4-methyl-2-thioxothiazol-5-acetic acid; 2-MERCAPTO-4-METHYL-5-THIAZOLE ACETIC ACID(MMTA); 2-mercapto-4-methylthiazol. Grades: > 95%. CAS No. 34272-64-5. Molecular formula: C6H7NO2S2. Mole weight: 189.26. | |
| Cefoperazone Impurity B | Cefoperazone Sodium salt. Synonyms: (6R,7R)-7-[[(2R)-2-[[(4-ETHYL-2,3-DIOXOPIPERAZIN-1-YL)CARBONYL]AMINO]-2-(4-HYDROXYPHENYL)ACETYL]AMINO]-3-[(4-METHYL-5-THIOXO-4,5-DIHYDRO-1H-TETRAZOL-1-YL)METHYL]-8-OXO-5-THIA-1-AZABICYCLO[4.2.0]OCT-2-ENE-2-CARBOXYLIC ACID. Grades: > 95%. CAS No. 711590-76-4. Molecular formula: C25H26N9O8S2. Mole weight: 644,67. | |
| Cefoperazone Impurity C | An impurity of Cefoperazone. Synonyms: 1,2-Dihydro-1-methyl-5H-tetrazole-5-thione; 1-Methyl-1,2,3,4-tetrazole-5-thiol; 1-Methyl-1,2,3,4-tetrazole-5-thiol; 1-Methyl-5-mercapto-1,2,3,4-tetrazole; 1-Methyl-5-tetrazolethione; 5-Mercapto-1-methyl-1,2,3,4-tetrazole; NSC 520787; T 1982F. Grades: > 95%. CAS No. 13183-79-4. Molecular formula: C2H4N4S. Mole weight: 116.14. | |
| 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. | |
| Cefoperazone Impurity F | (6R,7S)-Cefoperazone is the enantiomer of Cefoperazone as an impurity. Synonyms: (6R,7S)-7-[[(2R)-2-[[(4-Ethyl-2,3-dioxo-1-piperazinyl)carbonyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-3-[[(1-methyl-1H-tetrazol-5-yl)thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid. Grades: > 95%. CAS No. 1315481-36-7. Molecular formula: C20H20N6O7S4. Mole weight: 584.67. | |
| Cefotaxime Impurity B | An impurity of Cefotaxime sodium. Synonyms: (6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-(methoxyimino)acetyl]amino]-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid; Deacetylcefotaxime; Desacetylcefotaxime. Grades: > 95%. CAS No. 66340-28-1. Molecular formula: C14H15N5O6S2. Mole weight: 413.43. | |
| Cefotaxime Impurity D Sodium Salt | An impurity of Cefotaxime. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?oct-2-ene-2-carboxylic acid, 3-[ (acetyloxy)?methyl]?-7-[[ (2-amino-4-thiazolyl)? (methoxyimino)?acetyl]?amino]?-8-oxo-, monosodium salt, [6R-[6α,?7β(E)?]?]?- (9CI). Grades: > 95%. CAS No. 65715-12-0. Molecular formula: C16H16N5O7S2. Na. Mole weight: 454.46 22.99. | |
| Cefotiam Hexetil 2HCl | A semi-synthetic cephalosporin antibiotic. Antibacterial. Uses: Anti-bacterial agents. Synonyms: (6R,7R)-7-[[(2-Amino-4-thiazolyl)acetyl]amino]-3-[[[1-[2-(dimethylamino)ethyl]-1H-tetrazol-5-yl]thio]methyl]-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid 1-[[(Cyclohexyloxy)carbonyl]oxy]ethyl Ester Dihydrochloride; Pansporin T; SCE 2174. Grades: > 95%. CAS No. 95789-30-3. Molecular formula: C27H37N9O7S3ยท2(HCl). Mole weight: 768.76. | |
| Cefprozil Impurity 5 | an impurity of cefprozil. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?oct-3-ene-2-carboxylic acid, 7-[[(2R)?-2-amino-2-(4-hydroxyphenyl)?acetyl]?amino]?-8-oxo-3-(1Z)?-1-propen-1-yl-, (6R,?7R)?-. Grades: > 95%. CAS No. 1000980-59-5. Molecular formula: C18H19N3O5S. Mole weight: 389.43. | |
| Cefprozil Impurity C | Cas No. 147103-93-3. | |
| Cefprozil Impurity F | Cas No. 107937-01-9. | |
| Cefprozil Impurity L | Cas No. 203007-73-2. | |
| 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. | |
| Ceftazidime Impurity C | 7-Amino-3-(1-pyridylmethyl)-3-cephem-4-carboxylic acid is an impurity of Ceftazidime. Ceftazidime impurity B. Synonyms: 1-[[(6R,7R)-7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]-pyridinium Inner Salt; (6R-trans)-1-[(7-Amino-2-carboxy-8-oxo-5-thia-1-azabicyclo [4.2.0]oct-2-en-3-yl)methyl]pyridinium Inner Salt ; N-(7-Aminoceph-3-em- 3-ylmethyl)pyrid. Grades: > 95%. CAS No. 3432-88-0. Molecular formula: C13H13N3O3S. Mole weight: 291.33. | |
| Ceftazidime Impurity E | Ceftazidime t-Butyl ester is an impurity of Ceftazidime. Ceftazidime impurity C. Synonyms: 1-[[(6R,7R)-7-[[(2Z)-2-(2-Amino-4-thiazolyl)-2-[[2-(1,1-dimethylethoxy)-1,1-dimethyl-2-oxoethoxy]imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl]methyl]pyridinium Inner Salt. Grades: > 95%. CAS No. 102772-66-7. Molecular formula: C26H30N6O7S2. Mole weight: 602.69. | |
| Ceftezole Impurity 3 | an impurity of ceftezole. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?oct-2-ene-2-carboxylic acid, 7-amino-8-oxo-3-[(1,?3,?4-thiadiazol-2-ylthio)?methyl]?-, (6R,?7R)?. Grades: > 95%. CAS No. 24209-43-6. Molecular formula: C10H10N4O3S3. Mole weight: 330.41. | |
| Ceftezole Impurity 4 | an impurity of ceftezole. Synonyms: 1H-Tetrazole-1-acetyl chloride. Grades: > 95%. CAS No. 41223-92-1. Molecular formula: C3H3ClN4O. Mole weight: 146.54. | |
| Ceftibuten Related Impurity 1 | an impurity of ceftibuten. Synonyms: 2-Pentenedioic acid, 2-[2-[[(phenylmethoxy)?carbonyl]?amino]?-4-thiazolyl]?-. Grades: > 95%. CAS No. 102199-53-1. Molecular formula: C16H14N2O6S. Mole weight: 362.36. | |
| Ceftibuten Related Impurity 3 | impurity of ceftibuten. Synonyms: 2-Pentenedioic acid, 2-[2-[[(phenylmethoxy)?carbonyl]?amino]?-4-thiazolyl]?-, 5-ethyl ester. Grades: > 95%. CAS No. 1140311-29-0. Molecular formula: C18H18N2O6S. Mole weight: 390.42. | |
| Ceftibuten Related Impurity 4 | impurity of ceftibuten. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?octane-2-carboxylic acid, 3-hydroxy-8-oxo-7-[(2-phenylacetyl)?amino]?-, diphenylmethyl ester, (6R,?7R)?-. Grades: > 95%. CAS No. 51762-51-7. Molecular formula: C28H26N2O5S. Mole weight: 502.59. | |
| Ceftibuten Related Impurity 5 | impurity of ceftibuten. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?oct-2-ene-2-carboxylic acid, 3-[(methylsulfonyl)?oxy]?-8-oxo-7-[(2-phenylacetyl)?amino]?-, diphenylmethyl ester, (6R,?7R)?-. Grades: > 95%. CAS No. 92096-37-2. Molecular formula: C29H26N2O7S. Mole weight: 578.67. | |
| Ceftibuten Related Impurity 6 | impurity of ceftibuten. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?oct-3-ene-2-carboxylic acid, 7-amino-8-oxo-, diphenylmethyl ester, [6R-(6α,?7β)?]?- (9CI). Grades: > 95%. CAS No. 57028-71-4. Molecular formula: C20H18N2O3S. Mole weight: 366.44. | |
| Ceftibuten Related Impurity 8 | impurity of ceftibuten. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?oct-2-ene-2-carboxylic acid, 7-[[(2Z)?-5-[(3-methyl-2-buten-1-yl)?oxy]?-1,?5-dioxo-2-[2-[[(phenylmethoxy)?carbonyl]?amino]?-4-thiazolyl]?-2-penten-1-yl]?amino]?-8-oxo-, diphenylmethyl ester, (6R,?7R). Grades: > 95%. CAS No. 174761-17-2. Molecular formula: C39H34N4O8S2. Mole weight: 750.86. | |
| Ceftibuten Related Impurity 9 | impurity of ceftibuten. Synonyms: 2-Pentenedioic acid, 2-[2-[[(phenylmethoxy)?carbonyl]?amino]?-4-thiazolyl]?-, 1-ethyl 5-methyl ester. Grades: > 95%. CAS No. 103054-27-9. Molecular formula: C19H20N2O6S. Mole weight: 404.45. | |
| Ceftizoxime S-Oxide Impurity | an impurity of ceftizoxime. Synonyms: 5-Thia-1-azabicyclo[4.2.0]?oct-2-ene-2-carboxylic acid, 7-[[(2Z)?-2-(2-amino-4-thiazolyl)?-2-(methoxyimino)?acetyl]?amino]?-8-oxo-, 5-oxide, (6R,?7R)?-. Grades: > 95%. CAS No. 79226-66-7. Molecular formula: C13H13N5O6S2. Mole weight: 399.41. | |
| Ceftriaxone Impurity C | Reagent used in the preparation of Cefalosporins. 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; USP Ceftriaxone Triazine Analog. Grades: > 95%. CAS No. 58909-39-0. Molecular formula: C4H5N3O2S. Mole weight: 159.17. | |
| 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. | |
| Cenicriviroc Sulfone | Cenicriviroc Sulfone is a derivative of Cenicriviroc which is an experimental drug candidate for the treatment of HIV infection. It is an inhibitor of CCR2 and CCR5 receptors, allowing it to function as an entry inhibitor which prevents the virus from entering into a human cell. Synonyms: 8-[4-(2-Butoxyethoxy)phenyl]-1,2,3,4-tetrahydro-1-(2-methylpropyl)-N-[4-[[(1-propyl-1H-imidazol-5-yl)methyl]sulfonyl]phenyl]-1-benzazocine-5-carboxamide; 8-[4-(2-Butoxyethoxy)phenyl]-1-isobutyl-N-[4-[[(1-propyl-1H-imidazol-5-yl)methyl]sulfonyl]phenyl]-1. Grades: > 95%. CAS No. 497223-22-0. Molecular formula: C41H52N4O5S. Mole weight: 712.96. | |
| Cephalexin Diketopiperazine | A degradation product of Cephalosporins. Synonyms: 2-(3,6-Dioxo-5-phenyl-2-piperazinyl)-3,6-dihydro-5-methyl-2H-1,3-thiazine-4-carboxylic Acid. Grades: > 95%. CAS No. 59865-11-1. Molecular formula: C16H17N3O4S. Mole weight: 347.4. | |
| Cephalexin Impurity C | Phenylglycyl Cephalexin is an impurity of Cephalexin. Synonyms: (6R-trans)-2-Phenylglycyl-N-(2-carboxy-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)-2-phenylglycinamide; Phenylglycylcefalexin. Grades: > 95%. CAS No. 72528-40-6. Molecular formula: C24H24N4O5S. Mole weight: 480.55. | |
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