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Amoxicillin Impurity 1 Amoxicillin Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-amino-2-(4-hydroxyphenyl)-N,N-dimethylacetamide. Molecular Formula: C10H14N2O2. Mole Weight: 194.23. Catalog: APB02669. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 14 Amoxicillin Impurity 14. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1313237-94-3. Molecular Formula: C21H27N3O6S. Mole Weight: 449.52. Catalog: APB1313237943. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 16 Amoxicillin Impurity 16. Uses: For analytical and research use. Group: Impurity standards. CAS No. 178738-48-2. Molecular Formula: C15H21N3O4S. Mole Weight: 339.41. Catalog: APB178738482. Alfa Chemistry Analytical Products
Amoxicillin Impurity 19 Amoxicillin Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-((R)-2-(4-hydroxyphenyl)-2-pivalamidoacetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. Molecular Formula: C21H27N3O6S. Mole Weight: 449.52. Catalog: APB02663. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 2 Amoxicillin Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2088960-43-2. Molecular Formula: C16H19N3O5S. Mole Weight: 365.4. Catalog: APB2088960432. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 20 Amoxicillin Impurity 20. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,4S)-2-(1-(2-amino-2-(4-hydroxyphenyl)acetamido)-2-((2-((((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid. Molecular Formula: C31H40N6O9S2. Mole Weight: 704.81. Catalog: APB02665. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 21 Amoxicillin Impurity 21. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-methyl 2-amino-2-(4-hydroxyphenyl)acetate. CAS No. 37763-23-8. Molecular Formula: C9H11NO3. Mole Weight: 181.19. Catalog: APB37763238. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 22 Amoxicillin Impurity 22. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,4S)-2-(1-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-methoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid. Molecular Formula: C17H23N3O6S. Mole Weight: 397.13. Catalog: APB02662. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 23 Amoxicillin Impurity 23. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid 4-oxide. Molecular Formula: C16H19N3O6S. Mole Weight: 381.10. Catalog: APB02661. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 24 Amoxicillin Impurity 24. Uses: For analytical and research use. Group: Impurity standards. CAS No. 54397-23-8. Molecular Formula: C8H10N2O2. Mole Weight: 166.18. Catalog: APB54397238. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 27 Amoxicillin Impurity 27. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1978372-79-0. Molecular Formula: C16H24N4O6S2. Mole Weight: 432.52. Catalog: APB1978372790. Alfa Chemistry Analytical Products
Amoxicillin Impurity 28 Amoxicillin Impurity 28. Uses: For analytical and research use. Group: Impurity standards. CAS No. 37727-80-3. Molecular Formula: C8H14N2O4S. Mole Weight: 234.27. Catalog: APB37727803. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 29 Amoxicillin Impurity 29. Uses: For analytical and research use. Group: Impurity standards. CAS No. 93302-27-3. Molecular Formula: C16H21N3O6S. Mole Weight: 383.42. Catalog: APB93302273. Alfa Chemistry Analytical Products 3
Amoxicillin Impurity 3 Amoxicillin Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 297175-66-7. Molecular Formula: C31H40N6O9S2. Mole Weight: 704.81. Catalog: APB297175667. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 30 Amoxicillin Impurity 30. Uses: For analytical and research use. Group: Impurity standards. CAS No. 87860-49-9. Molecular Formula: C16H21N3O6S. Mole Weight: 383.42. Catalog: APB87860499. Alfa Chemistry Analytical Products 3
Amoxicillin Impurity 31 Amoxicillin Impurity 31. Uses: For analytical and research use. Group: Impurity standards. CAS No. 107437-40-1. Molecular Formula: C16H21N3O6S. Mole Weight: 383.42. Catalog: APB107437401. Alfa Chemistry Analytical Products
Amoxicillin Impurity 32 Amoxicillin Impurity 32. Uses: For analytical and research use. Group: Impurity standards. CAS No. 178738-49-3. Molecular Formula: C15H21N3O4S. Mole Weight: 339.41. Catalog: APB178738493. Alfa Chemistry Analytical Products
Amoxicillin Impurity 33 Amoxicillin Impurity 33. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2088961-40-2. Molecular Formula: C48H57N9O15S3. Mole Weight: 1096.21. Catalog: APB2088961402. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 42 Amoxicillin Impurity 42. Uses: For analytical and research use. Group: Impurity standards. CAS No. 55432-04-7. Molecular Formula: C16H18N3NaO5S. Mole Weight: 387.39. Catalog: APB55432047. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 43 Amoxicillin Impurity 43. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H31N5O8S2. Mole Weight: 581.66. Catalog: APB06644. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 44 Amoxicillin Impurity 44. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H21N3O6S*n. Mole Weight: (383.42)n. Catalog: APB06643. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 45 Amoxicillin Impurity 45. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1642559-71-4. Molecular Formula: C16H20N3NaO6S. Mole Weight: 405.4. Catalog: APB1642559714. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 47 Amoxicillin Impurity 47. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C31H40N6O9S2. Mole Weight: 704.81. Catalog: APB06645. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 48 Amoxicillin Impurity 48. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H31N5O8S2. Mole Weight: 581.66. Catalog: APB06647. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity 51 Amoxicillin Impurity 51. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2088960-44-3. Molecular Formula: C17H23N3O6S. Mole Weight: 397.45. Catalog: APB2088960443. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity 52 Amoxicillin Impurity 52. Uses: For analytical and research use. Group: Impurity standards. CAS No. 94703-34-1. Molecular Formula: C48H57N9Na3O15S33+. Mole Weight: 1165.18. Catalog: APB94703341. Alfa Chemistry Analytical Products 3
Amoxicillin Impurity 53 Amoxicillin Impurity 53. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C31H40N6O9S2. Mole Weight: 704.81. Catalog: APB06649. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity A Amoxicillin Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. CAS No. 551-16-6. Molecular Formula: C8H12N2O3S. Mole Weight: 216.26. Catalog: APB551166. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity B Amoxicillin Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-((S)-2-amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. CAS No. 26889-93-0. Molecular Formula: C16H19N3O5S. Mole Weight: 365.4. Catalog: APB26889930. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity B An impurity of Amoxicillin. Synonyms: L-Amoxicillin ; Amoxicillin USP RC B. Grades: > 95%. CAS No. 26889-93-0. Molecular formula: C16H19N3O5S. Mole weight: 365.41. BOC Sciences
Amoxicillin Impurity C Amoxicillin Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 94659-47-9 (racemic); (4S)-2-(5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl)-5,5-dimethylthiazolidine-4-carboxylic acid. CAS No. 2088961-37-7. Molecular Formula: C16H19N3O5S. Mole Weight: 365.40. Catalog: APB2088961377. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity C An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC C ; Amoxicillin Diketopiperazine ; Amoxicillin piperazine-2,5-dione. Grades: > 95%. CAS No. 94659-47-9. Molecular formula: C16H19N3O5S. Mole weight: 365.41. BOC Sciences
Amoxicillin Impurity D Amoxicillin Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (4S)-2- ( ( (R)-2-amino-2- (4-hydroxyphenyl)acetamido) (carboxy)methyl)-5, 5-dimethylthiazolidine-4-carboxylic acid. CAS No. 1642629-94-4. Molecular Formula: C16H21N3O6S. Mole Weight: 383.42. Catalog: APB1642629944. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity D An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC D ; Amoxicillin Penicilloic Acid. Grades: > 95%. CAS No. 68728-47-2. Molecular formula: C16H21N3O6S. Mole weight: 383.43. BOC Sciences
Amoxicillin Impurity E Amoxicillin Impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (4S)-2-(((R)-2-amino-2-(4-hydroxyphenyl)acetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid. CAS No. 1356020-01-3. Molecular Formula: C15H21N3O4S. Mole Weight: 339.41. Catalog: APB1356020013. Alfa Chemistry Analytical Products
Amoxicillin Impurity E An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC E ; Amoxicillin Penilloic Acid (Formate Salt). Grades: > 95%. CAS No. 1356020-01-3. Molecular formula: C15H21N3O4S. Mole weight: 339.42. BOC Sciences
Amoxicillin Impurity F Amoxicillin Impurity F. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-(4-hydroxyphenyl)pyrazin-2(1H)-one. CAS No. 126247-63-0. Molecular Formula: C10H8N2O2. Mole Weight: 188.18. Catalog: APB126247630. Alfa Chemistry Analytical Products
Amoxicillin Impurity F An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC F ; 3-(4-hydroxyphenyl)pyrazin-2-ol. Grades: > 95%. CAS No. 126247-63-0. Molecular formula: C10H8N2O2. Mole weight: 188.19. BOC Sciences
Amoxicillin Impurity G Amoxicillin Impurity G. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-((R)-2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. CAS No. 188112-75-6. Molecular Formula: C24H26N4O7S. Mole Weight: 514.55. Catalog: APB188112756. Alfa Chemistry Analytical Products
Amoxicillin Impurity G An impurity of Amoxicillin, an anti-infective medication. Synonyms: Amoxicillin USP RC G; D-(4-Hydroxyphenyl)glycyl Amoxicillin. Grades: > 95%. CAS No. 188112-75-6. Molecular formula: C24H26N4O7S. Mole weight: 514.56. BOC Sciences
Amoxicillin Impurity H Amoxicillin Impurity H. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-(4-hydroxyphenyl)-2-pivalamidoacetic acid. CAS No. 205826-86-4. Molecular Formula: C13H17NO4. Mole Weight: 251.28. Catalog: APB205826864. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity H An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC H ; (2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-(4-hydroxyphenyl)acetic acid. Grades: > 95%. CAS No. 205826-86-4. Molecular formula: C13H17NO4. Mole weight: 251.28. BOC Sciences
Amoxicillin Impurity I Amoxicillin Impurity I. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-amino-2-(4-hydroxyphenyl)acetic acid. CAS No. 22818-40-2. Molecular Formula: C8H9NO3. Mole Weight: 167.16. Catalog: APB22818402. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity I Amoxicillin Impurity I. Uses: For analytical and research use. Group: Impurity standards. CAS No. 83380-47-6. Molecular Formula: C18H20FN3O4. Mole Weight: 361.37. Catalog: APB83380476. Alfa Chemistry Analytical Products 3
Amoxicillin Impurity J Amoxicillin Impurity J. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-((R)-2-((R)-2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. CAS No. 73590-06-4. Molecular Formula: C32H38N6O10S2. Mole Weight: 730.81. Catalog: APB73590064. Alfa Chemistry Analytical Products 3
Amoxicillin Impurity K Amoxicillin Impurity K. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,4S)-2-((S)-1-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-(((R)-carboxy((2R,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid. CAS No. 210289-72-8. Molecular Formula: C32H40N6O11S2. Mole Weight: 748.82. Catalog: APB210289728. Alfa Chemistry Analytical Products 2
Amoxicillin Impurity L Amoxicillin Impurity L. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-((2S,5R,6R)-6-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. CAS No. 1789703-32-7. Molecular Formula: C24H29N5O7S2. Mole Weight: 563.65. Catalog: APB1789703327. Alfa Chemistry Analytical Products
Amoxicillin Impurity M02 Amoxicillin Impurity M02. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,5R,6R)-6-(2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-((4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. Molecular Formula: C24H31N5O8S2. Mole Weight: 581.66. Catalog: APB02664. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity T Amoxicillin Impurity T. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,4S)-2-((R)-1-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-ethoxy-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic acid. Molecular Formula: C18H25N3O6S. Mole Weight: 411.47. Catalog: APB02670. Alfa Chemistry Analytical Products 4
Amoxicillin Impurity Z Amoxicillin Impurity Z. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S, 5R, 6R) -6- (2-amino-2- (4- ( (R) -2-amino-2- (4-hydroxyphenyl) acetoxy) phenyl) acetamido) -3, 3-dimethyl-7-oxo-4-thia-1-azabicyclo[3. 2. 0]heptane-2-carboxylic acid. Molecular Formula: C24H26N4O7S. Mole Weight: 514.55. Catalog: APB02668. Alfa Chemistry Analytical Products 4
Amoxicillin Dimer Impurity An impuroty of Amoxicillin, a β-lactam antibiotic in the aminopenicillin family used to treat bacterial infections caused by susceptible Gram-positive and Gram-negative microorganisms. Synonyms: Amoxicillin Dimer (penicilloic acid form). CAS No. 210289-72-8. Molecular formula: C32H40N6O11S2. Mole weight: 748.82. BOC Sciences
Amoxicillin Dimer (Impurity J) Amoxicillin Dimer (Impurity J). Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C32H40N6O8S2. Mole Weight: 700.82. Catalog: APB06640. Alfa Chemistry Analytical Products 4
Amoxicillin EP Impurity C Amoxicillin EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 94659-47-9. Molecular Formula: C16H19N3O5S. Mole Weight: 365.4. Catalog: APB94659479. Alfa Chemistry Analytical Products 3
Amoxicillin EP Impurity D (Sodium salt) Amoxicillin EP Impurity D (Sodium salt). Uses: For analytical and research use. Group: Impurity standards. CAS No. 68728-47-2. Molecular Formula: C16H20N3NaO6S. Mole Weight: 405.4. Catalog: APB68728472. Alfa Chemistry Analytical Products 3
Amoxicillin EP Impurity J Amoxicillin EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C32H38N6O10S2. Mole Weight: 730.81. Catalog: APB06639. Alfa Chemistry Analytical Products 4
Amoxicillin EP Impurity K Amoxicillin EP Impurity K. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2088961-38-8. Molecular Formula: C32H40N6O11S2. Mole Weight: 748.82. Catalog: APB2088961388. Alfa Chemistry Analytical Products 2
Amoxicillin EP Impurity M Amoxicillin EP Impurity M. Uses: For analytical and research use. Group: Impurity standards. CAS No. 174391-69-6. Molecular Formula: C48H57N9O15S3. Mole Weight: 1096.21. Catalog: APB174391696. Alfa Chemistry Analytical Products
Amoxicillin EP Impurity N Amoxicillin EP Impurity N. Uses: For analytical and research use. Group: Impurity standards. CAS No. 210289-73-9. Molecular Formula: C48H59N9O16S3. Mole Weight: 1114.23. Catalog: APB210289739. Alfa Chemistry Analytical Products 2
Amoxicillin EP Impurity O Amoxicillin EP Impurity O. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C24H31N5O8S2. Mole Weight: 581.66. Catalog: APB06641. Alfa Chemistry Analytical Products 4
Amoxicillin EP Impurity P Amoxicillin EP Impurity P. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C17H23N3O6S. Mole Weight: 397.45. Catalog: APB06642. Alfa Chemistry Analytical Products 4
Amoxicillin Related Impurity D Amoxicillin Related Impurity D. Uses: For analytical and research use. Group: Impurity standards. CAS No. 42947-63-7. Molecular Formula: C16H21N3O6S. Mole Weight: 383.42. Catalog: APB42947637. Alfa Chemistry Analytical Products 2
Rac-Amoxicillin EP Impurity H Rac-Amoxicillin EP Impurity H. Uses: For analytical and research use. Group: Impurity standards. CAS No. 106644-43-3. Molecular Formula: C13H17NO4. Mole Weight: 251.28. Catalog: APB106644433. Alfa Chemistry Analytical Products
(2R,4S)-2-[(2S,5S)-5-(4-Hydroxyphenyl)-3,6-dioxo-2-piperazinyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid (2R,4S)-2-[(2S,5S)-5-(4-Hydroxyphenyl)-3,6-dioxo-2-piperazinyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid is an impurity in the synthesis of N-(Penicillan-6-yl) Open Ring Amoxicillinamide Disodium Salt , whch is an impurity of Amoxicillin (A634235); a semi-synthetic antibiotic related to Penicillin (P233500). Antibacterial. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C16H19N3O5S. US Biological Life Sciences. USBiological 10
Worldwide
(2R,4S)-2-[(2S,5S)-5-(4-Hydroxyphenyl)-3,6-dioxo-2-piperazinyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid (2R,4S)-2-[(2S,5S)-5-(4-Hydroxyphenyl)-3,6-dioxo-2-piperazinyl]-5,5-dimethyl-4-thiazolidinecarboxylic Acid is an impurity of Amoxicillin, which is an antibiotic used to treat a number of bacterial infections including middle ear infections, strep throat, pneumonia, skin infections, and urinary tract infections. Synonyms: (2R,4S)-2-[(2S,5S)-5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid; 4-Thiazolidinecarboxylic acid, 2-[(2S,5S)-5-(4-hydroxyphenyl)-3,6-dioxo-2-piperazinyl]-5,5-dimethyl-, (2R,4S)-. Molecular formula: C16H19N3O5S. Mole weight: 365.40. BOC Sciences 8
(2R, 4S) -2- ( (R) -2- (Benzyl (2- (benzylamino) ethyl) amino) -2-oxo-1- (2-phenylacetamido) ethyl) -5, 5-dimethylthiazolidine-4-carboxylic Acid (2R, 4S) -2- ( (R) -2- (Benzyl (2- (benzylamino) ethyl) amino) -2-oxo-1- (2-phenylacetamido) ethyl) -5, 5-dimethylthiazolidine-4-carboxylic Acid is an impurity of Amoxicillin (A634235), a semi-synthetic antibiotic related to Penicillin. Antibacterial. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 5mg, 10mg. Molecular Formula: C32H38N4O4S, Molecular Weight: 574.73. US Biological Life Sciences. USBiological 10
Worldwide
(2R, 4S) -2- ( (R) -2- (Benzyl (2- (benzylamino) ethyl) amino) -2-oxo-1- (2-phenylacetamido) ethyl) -5, 5-dimethylthiazolidine-4-carboxylic Acid-d4 (2R, 4S) -2- ( (R) -2- (Benzyl (2- (benzylamino) ethyl) amino) -2-oxo-1- (2-phenylacetamido) ethyl) -5, 5-dimethylthiazolidine-4-carboxylic Acid-d4 is a labelled analogue of (2R, 4S) -2- ( (R) -2- (Benzyl (2- (benzylamino) ethyl) amino) -2-oxo-1- (2-phenylacetamido) ethyl) -5, 5-dimethylthiazolidine-4-carboxylic Acid (B209965), an impurity of Amoxicillin (A634235), which is a semi-synthetic antibiotic related to Penicillin. Antibacterial. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C32H34D4N4O4S, Molecular Weight: 578.76. US Biological Life Sciences. USBiological 10
Worldwide
[2S-[2α,5α,6 β (S*) ] ] -6- [ [ (4-Hydroxyphenyl) [ [ [ (4-nitrophenyl) methoxy] carbonyl] amino] acetyl] amino] -3, 3-dimethyl-7-oxo-4-thia-1-azabicyclo [3. 2. 0] heptane-2-carboxylic Acid [2S-[2α,5α,6 β (S*) ] ] -6- [ [ (4-Hydroxyphenyl) [ [ [ (4-nitrophenyl) methoxy] carbonyl] amino] acetyl] amino] -3, 3-dimethyl-7-oxo-4-thia-1-azabicyclo [3. 2. 0] heptane-2-carboxylic Acid is an impurity in the synthesis of N-(Penicillan-6-yl) Open Ring Amoxicillinamide Disodium Salt, which is an impurity of Amoxicillin (A634235); a semi-synthetic antibiotic related to Penicillin (P233500). Antibacterial. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C24H23N4NaO9S. US Biological Life Sciences. USBiological 10
Worldwide
3-(4-Hydroxyphenyl)-2(1H)-pyrazinone 3-(4-Hydroxyphenyl)-2(1H)-pyrazinone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ph Eur Amoxicillin Impurity F, Amoxicillin USP Related Compound F,Amoxicillin Trihydrate Imp. F (EP), Amoxycillin related, Amoxicillin USP RC F, 3-(4-Hydroxyphenyl)-pyrazin-2-ol, Amoxicillin Imp. F (EP), SB 258740. CAS No. 126247-63-0. Pack Sizes: 10MG. IUPAC Name: 3-(4-hydroxyphenyl)pyrazin-2-ol. Molecular Formula: C10H8N2O2. Mole Weight: 188.18. Catalog: APS126247630. SMILES: Oc1ccc(cc1)c2nccnc2O. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products
4-(Hydroxymethyl)-1H-pyrrole-3-carboxylic Acid Benzyl Ester 4-(Hydroxymethyl)-1H-pyrrole-3-carboxylic Acid Benzyl Ester is an impurity in the synthesis of Clavulanic Acid (C563750), an β-lactamase inhibitor that is added to amoxicillin (A634235) to increase its effectiveness. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg. US Biological Life Sciences. USBiological 3
Worldwide
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. BOC Sciences 6

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