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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 4
Amoxicillin Impurity B An impurity of Amoxicillin. Synonyms: L-Amoxicillin ; Amoxicillin USP RC B. Grade: > 95%. CAS No. 26889-93-0. Molecular formula: C16H19N3O5S. Mole weight: 365.41. BOC Sciences 6
Amoxicillin Impurity D An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC D ; Amoxicillin Penicilloic Acid. Grade: > 95%. CAS No. 68728-47-2. Molecular formula: C16H21N3O6S. Mole weight: 383.43. BOC Sciences 6
Amoxicillin Impurity E An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC E ; Amoxicillin Penilloic Acid (Formate Salt). Grade: > 95%. CAS No. 1356020-01-3. Molecular formula: C15H21N3O4S. Mole weight: 339.42. BOC Sciences 6
Amoxicillin Impurity F An impuroty of Amoxicillin, which is a β-lactam antibiotic in the aminopenicillin family used to treat bacterial infections caused by susceptible Gram-positive and Gram-negative microorganisms. Synonyms: Phenylpyrazinediol; Amoxicillin USP RC F; Amoxicillin USP Related Compound F; 3-(4-hydroxyphenyl)pyrazin-2-ol. Grade: > 95%. CAS No. 126247-63-0. Molecular formula: C10H8N2O2. Mole weight: 188.19. BOC Sciences 6
Amoxicillin Impurity G An impurity of Amoxicillin, an anti-infective medication. Synonyms: Amoxicillin USP RC G; D-(4-Hydroxyphenyl)glycyl Amoxicillin. Grade: > 95%. CAS No. 188112-75-6. Molecular formula: C24H26N4O7S. Mole weight: 514.56. BOC Sciences 6
Amoxicillin Impurity H An impurity of Amoxicillin. Synonyms: Amoxicillin USP RC H ; (2R)-2-[(2,2-Dimethylpropanoyl)amino]-2-(4-hydroxyphenyl)acetic acid. Grade: > 95%. CAS No. 205826-86-4. Molecular formula: C13H17NO4. Mole weight: 251.28. BOC Sciences 6
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 6
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 4
(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 3
(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
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
4-Nitrophenyl-methoxycarbonylamino Amoxicillin Sodium Salt 4-Nitrophenyl-methoxycarbonylamino Amoxicillin Sodium Salt 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: (2S,5R,6R)-6-{[(2R)-2-(4-Hydroxyphenyl)-2-({[(4-nitrobenzyl)oxy]carbonyl}amino)acetyl]amino}-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid sodium salt; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[(2R)-2-(4-hydroxyphenyl)-2-[[[(4-nitrophenyl)methoxy]carbonyl]amino]acetyl]amino]-3,3-dimethyl-7-oxo-, (2S,5R,6R)-, sodium salt (1:1); [2S-[2α,5α,6β(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 Sodium Salt. Molecular formula: C24H23N4NaO9S. Mole weight: 566.51. BOC Sciences 4
6-Aminopenicillanic acid An impurity of Piperacillin, which is a broad-spectrum antibiotic used to treat serious, hospital-acquired infections in combination with the beta lactamase inhibitor tazobactam. Synonyms: Piperacillin Impurity H; Piperacillin Sodium Impurity H [EP]; Piperacillin Monohydrate Impurity H [EP]; (2S,5R,6R)-6-Amino-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid; 6-Aminopenicillamic acid; 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; Piperacillin EP Impurity H. Grade: >95%. CAS No. 551-16-6. Molecular formula: C8H12N2O3S. Mole weight: 216.26. BOC Sciences 5
Amoxicillin Diketopiperazine Amoxicillin Diketopiperazine. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Amoxicillin Diketopiperazines, SB-206891, Amoxicillin Imp. C (EP), Ph Eur Amoxicillin Impurity C, Amoxicillin USP RC C, (4S)-2-[5-(4-Hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethylthiazolidine-4-carboxylic Acid, Amoxicillin USP Related Compound C,Amoxicillin Trihydrate Imp. C (EP). CAS No. 94659-47-9. IUPAC Name: (4S)-2-[5-(4-hydroxyphenyl)-3,6-dioxopiperazin-2-yl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid. Molecular formula: C16H19N3O5S. Mole weight: 365.40. Catalog: APS94659479. SMILES: CC1(C)SC(N[C@H]1C(=O)O)C2NC(=O)C(NC2=O)c3ccc(O)cc3. Format: Neat. Alfa Chemistry Analytical Products 4
Amoxicillin Dimer Sodium Salt Amoxicillin Dimer Sodium Salt. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00808. Format: Neat. Alfa Chemistry Analytical Products 4
Amoxicillin Dimer tri-Sodium Salt (penicilloic acid form) (Mixture of Diastereomers) Amoxicillin Dimer tri-Sodium Salt (penicilloic acid form) (Mixture of Diastereomers). Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00809. Format: Neat. Alfa Chemistry Analytical Products 4
Amoxicillin Dimer tri-Sodium Salt (penicilloic acid form)(Mixture of Diastereomers) Amoxicillin Dimer tri-Sodium Salt (penicilloic acid form)(Mixture of Diastereomers). Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 5MG. Catalog: APS005756. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products 4
Amoxicillin Related Compound C One of the impurities 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: Amoxicillin Trihydrate Impurity C; Amoxicillin Diketopiperazine; Amoxicillin USP RC C; 2,5-Amoxipiperazinedione; Amoxicillin piperazine-2,5-dione. Grade: 98%. CAS No. 94659-47-9. Molecular formula: C16H19N3O5S. Mole weight: 365.41. BOC Sciences 6
Amoxicillin Related Compound J An impurity of Amoxicillin. Synonyms: 6-APA Amoxicillin Amide ; (2S,5R,6R)-6-[[(2S,5R,6R)-6-[[(2R)-2-Amino-2-(4-hydroxyphenyl)acetyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carbonyl] amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid. Grade: > 95%. CAS No. 73590-06-4. Molecular formula: C32H38N6O10S2. Mole weight: 730.82. BOC Sciences 6
Amoxicillin Trimer Trisodium Salt (>90%) Amoxicillin Trimer Trisodium Salt (>90%). Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00810. Format: Neat. Alfa Chemistry Analytical Products 4
Amoxycilloic Acid Sodium Salt Amoxycilloic Acid Sodium Salt 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: Glycine, (2R)-2-(4-hydroxyphenyl)glycyl-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]-, (2R)-, Sodium Salt (1:1); (2R)-(2R)-2-(4-Hydroxyphenyl)glycyl-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycine Sodium Salt; Glycine, D-2-(4-carboxy-5,5-dimethyl-2-thiazolidinyl)-N-[D-2-(4-hydroxyphenyl)glycyl]-, (2R-trans)-, Sodium Salt; Amoxipenicilloic acid Sodium Salt; (2R-trans)-D-2-(4-Carboxy-5,5-dimethyl-2-thiazolidinyl)-N-[D-2-(4-hydroxyphenyl)glycyl]glycine Sodium Salt; Sodium amoxicilloate; Amoxicilloic acid sodium salt; 2-Thiazolidineacetic acid, α-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-4-carboxy-5,5-dimethyl-, sodium salt, (αR,2R,4S)- (1:1). Grade: 95%. Molecular formula: C16H20N3NaO6S. Mole weight: 405.40. BOC Sciences 6
Amoxycilloic Acid Sodium Salt (Mixture of Diastereomers) Amoxycilloic Acid Sodium Salt 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: (αR,2R,4S)-α-[[Amino(4-hydroxyphenyl)acetyl]amino]-4-carboxy-5,5-dimethyl-2-thiazolidineacetic Acid Sodium Salt; Amoxipenicilloic Acid Sodium Salt; Amoxicillin Penilloic Acid Sodium Salt. Molecular formula: C16H21N3O6S.xNa. Mole weight: 383.42 (free acid). BOC Sciences 6
Amoxycilloic Acid Trimer Amoxycilloic Acid Trimer 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: Amoxicillin EP Impurity N; (2R,4S,2'R,4'S,2''R,4''S)-2,2',2''-[(1R,4R,7R,10R,13R,16R)-16-Amino-1-carboxy-4,10,16-tris(4-hydroxyphenyl)-3,6,9,12,15-pentaoxo-2,5,8,11,14-pentaazahexadecane-1,7,13-triyl]tris(5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid); (2R)-(2R)-2-(4-Hydroxyphenyl)glycyl-(2R)-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycyl-(2R)-2-(4-hydroxyphenyl)glycyl-(2R)-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycyl-(2R)-2-(4-hydroxyphenyl)glycyl-2-[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]glycine; 2-Thiazolidineacetic acid, α-[[(2R,5R,8R,11R,14R)-14-amino-5,11-bis[(2R,4S)-4-carboxy-5,5-dimethyl-2-thiazolidinyl]-2,8,14-tris(4-hydroxyphenyl)-1,4,7,10,13-pentaoxo-3,6,9,12-tetraazatetradec-1-yl]amino]-4-carboxy-5,5-dimethyl-, (αR,2R,4S)-. Grade: ≥95%. CAS No. 210289-73-9. Molecular formula: C48H59N9O16S3. Mole weight: 1114.23. BOC Sciences 6
APA Amoxicillin Amide APA Amoxicillin Amide is a derivative 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: N-(Penicillan-6-yl) amoxicillinamide; Amoxicillin EP Impurity L; Amoxicillin USP Related Compound L; 4-Thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid, 6-[[[(2S,5R,6R)-6-[[(2R)-2-amino-2-(4-hydroxyphenyl)acetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]hept-2-yl]carbonyl]amino]-3,3-dimeth yl-7-oxo-, (2S,5R,6R)-. Grade: 95%. CAS No. 1789703-32-7. Molecular formula: C24H29N5O7S2. Mole weight: 563.65. BOC Sciences 6
Benzylpenicilloic Acid Benzathide Benzylpenicilloic Acid Benzathide 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-[(1R)-2-[benzyl-[2-(benzylamino)ethyl]amino]-2-oxo-1-[(2-phenylacetyl)amino]ethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid; Benzathine Benzylpenicillin Impurity C (EP); Benzathine Benzyl Penicillin Impurity C (Benzylpenicilloic acids Benzathine); 4-Thiazolidinecarboxylic acid, 5,5-dimethyl-2-[(1R)-2-oxo-1-[(2-phenylacetyl)amino]-2-[(phenylmethyl)[2-[(phenylmethyl)amino]ethyl]amino]ethyl]-, (2R,4S)-. Grade: 98%. Molecular formula: C32H38N4O4S. Mole weight: 574.73. BOC Sciences 6
Cefprozil Monohydrate EP Impurity A An impurity of Amoxicillin. Synonyms: Amoxicillin USP related compound I; p-hydroxyphenylglycine; Cefoperazone Impurity 3; D-4-Hydroxyphenylglycine; 4-Hydroxy-D-phenylglycine; H-D-PHG(4-OH)-OH; (R)-2-Amino-2-(4-hydroxyphenyl)acetic acid. Grade: ≥ 99% (HPLC). CAS No. 22818-40-2. Molecular formula: C8H9NO3. Mole weight: 167.17. BOC Sciences
Clavam-2-carboxylate Potassium Clavam-2-carboxylate Potassium is an impurity of Clavulanic Acid, a β-lactamase inhibitor, typically added to amoxicillin to increase its effectiveness. Synonyms: (3R,5S)-7-oxo-1-azabicyclo[3.2.0]heptane-3-carboxylate Potassium. CAS No. 2196185-67-6. Molecular formula: C6H6KNO4. Mole weight: 195.21. BOC Sciences 7
Amoxicilloic Acid Dimer (Mixture of Diastereomers) One of the impurities 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: Amoxicilloic amoxilloic acid dimers 1, 2, 3, and 4; (2S,4S)-2-((R)-1-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-2-(((R)-2-((((2S,4S)-4-carboxy-5,5-dimethylthiazolidin-2-yl)methyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)amino)-2-oxoethyl)-5,5-dimethylthiazolidine-4-carboxylic Acid. Grade: 90%. Molecular formula: C31H40N6O9S2. Mole weight: 704.81. BOC Sciences 6

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