Find where to buy products from suppliers in the USA, including: distributors, industrial manufacturers in America, bulk supplies and wholesalers of raw ingredients & finished goods.
Search for products or services, then visit the American suppliers website for prices, SDS or more information. You can also view suppliers in Australia, NZ or the UK.
| Product | Description | |
|---|---|---|
| Amlodipine Impurity 22 (Z-Isomer) | Amlodipine Impurity 22 (Z-Isomer) is an impurity of Amlodipine. Amlodipine is a long-acting dihydropyridine L-type calcium channel blocker. Amlodipine is used to lower blood pressure and prevent chest pain. Synonyms: (Z)-2-[(2-Chlorophenyl)methylene]-4-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)ethoxy]-3-oxobutanoic Acid Ethyl Ester. Molecular formula: C23H20ClNO6. Mole weight: 441.86. |  |
| Ampicillin EP Impurity F (2R-Isomer) | An impurity of Ampicillin, an antibiotic used for the treatment of various bacterial infections. Synonyms: 4-Thiazolidinecarboxylic acid, 2-[[(aminophenylacetyl)amino]methyl]-5,5-dimethyl-, [2R-[2α(R*),4β]]-; 4-Thiazolidinecarboxylic acid, 2-[[[(2R)-aminophenylacetyl]amino]methyl]-5,5-dimethyl-, (2R,4S)-; Ampicillin EP Impurity F. Grade: > 95%. CAS No. 124774-48-7. Molecular formula: C15H21N3O3S. Mole weight: 323.41. | |
| Ampicillin EP Impurity F (2S-Isomer) | An impurity of Ampicillin, an antibiotic used for the treatment of various bacterial infections. Synonyms: 4-Thiazolidinecarboxylic acid, 2-[[(aminophenylacetyl)amino]methyl]-5,5-dimethyl-, [2S-[2α(S*),4α]]-. CAS No. 124774-49-8. Molecular formula: C15H21N3O3S. Mole weight: 323.41. | |
| Azacitidine Related Compound -C Isomer -4 (Azacitidine Impurity 33) | Azacitidine Related Compound -C Isomer -4 (Azacitidine Impurity 33). Uses: For analytical and research use. Group: Impurity standards. CAS No. 1698011-17-4. Molecular formula: C7H14N4O5. Mole weight: 234.21. Catalog: APB1698011174. |  |
| Bisoprolol Fumarate EP Impurity E (E-isomer) | Bisoprolol Fumarate EP Impurity E (E-isomer) is the E-isomer of Bisoprolol Fumarate EP Impurity E, an impurity of Metoprolol and Bisoprolol Fumarate. Bisoprolol is a medication used for the treatment of hypertension, heart failure and other heart diseases. Synonyms: Dehydroxy Bisoprolol; 3-[4-[[2-(1-Methylethoxy)ethoxy]Methyl]phenoxy]-N-(1-Methylethyl)-2-propen-1-aMine; 2-Propen-1-amine. Grade: > 95%. CAS No. 1217245-60-7. Molecular formula: C18H29NO3. Mole weight: 307.44. | |
| Bortezomib Impurity (R,R-Isomer) | Bortezomib Impurity (R,R-Isomer) is a diastereomer of Bortezomib. Synonyms: (1R,2R)-Bortezomib; B-[(1R)-3-Methyl-1-[[(2R)-1-oxo-3-phenyl-2-[(2-pyrazinylcarbonyl)amino]propyl]amino]butyl]boronic Acid; [(1R)-3-Methyl-1-[[(2R)-1-oxo-3-phenyl-2-[(pyrazinylcarbonyl)amino]propyl]amino]butyl]boronic Acid. Grade: 98% by HPLC. CAS No. 1132709-15-9. Molecular formula: C19H25BN4O4. Mole weight: 384.25. | |
| Bortezomib Impurity (R,S-Isomer) | Bortezomib Impurity (R,S-Isomer) is a diastereomer of Bortezomib. Synonyms: (1S,2R)-Bortezomib; B-[(1S)-3-Methyl-1-[[(2R)-1-oxo-3-phenyl-2-[(2-pyrazinylcarbonyl)amino]propyl]amino]butyl]boronic Acid; N-(2-Pyrazinecarbonyl)-D-phenylalanine-D-leucine boronic anhydride. Grade: > 95%. CAS No. 1132709-16-0. Molecular formula: C19H25BN4O4. Mole weight: 384.25. | |
| Canagliflozin alpha-Isomer Impurity | epi-Canagliflozin is an epimeric impurity of Canagliflozin which is a sodium/glucose cotransporter 2 (SGLT2) inhibitor and is used in the treatment of type 2 diabetes and obesity. Synonyms: (1R)-1,5-Anhydro-1-[3-[[5-(4-fluorophenyl)thiophen-2-yl]methyl]-4-methylphenyl]-D-glucitol; epi-Canagliflozin; D-Glucitol, 1,5-anhydro-1-C-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methylphenyl]-, (1R)-; (1R)-1,5-Anhydro-1-C-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methylphenyl]-D-glucitol; (2R,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol; Canagliflozin alpha-Isomer; Canagliflozin α-isomer. Grade: ≥95%. CAS No. 1589590-87-3. Molecular formula: C24H25FO5S. Mole weight: 444.53. | |
| 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 (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. | |
| Clarithromycin Impurity G (Mixture of Z and E Isomers) | Clarithromycin Impurity G (Mixture of Z and E Isomers) is a an impurity of Clarithromycin, an antibiotic widely employed in treating various bacterial infections, including respiratory tract infections, skin and soft tissue infections and Helicobacter pylori infections associated with peptic ulcers. Grade: > 95%. CAS No. 107216-09-1. Molecular formula: C39H72N2O13. Mole weight: 777.01. | |
| Daclatasvir Impurity 1 (RSSS-Isomer) | Daclatasvir Impurity 1 (RSSS-Isomer). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: dimethyl ((2S,2'R)-((2S,2'S)-2,2'-(5,5'-([1,1'-biphenyl]-4,4'-diyl)bis(1H-imidazole-5,2-diyl))bis(pyrrolidine-2,1-diyl))bis(3-methyl-1-oxobutane-2,1-diyl))dicarbamate. CAS No. 1417333-83-5. Molecular formula: C40H50N8O6. Mole weight: 738.88. Catalog: APB1417333835. | |
| Daclatasvir Impurity 1 (SRSS-Isomer) | Daclatasvir Impurity 1 (SRSS-Isomer). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Daclatasvir Impurity 1 (SRSS-Isomer). CAS No. 1009117-28-5. Molecular formula: C40H50N8O6. Mole weight: 738.88. Catalog: APB1009117285. | |
| Daptomycin Impurity beta-Isomer | Daptomycin Impurity beta-Isomer. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3S,6S,9S,19R,22S,25R)-31-((S)-2-((S)-4-amino-2-((S)-2-decanamido-3-(1H-indol-3-yl)propanamido)-4-oxobutanamido)-3-carboxypropanamido)-3-(2-(2-aminophenyl)-2-oxoethyl)-25-(3-aminopropyl)-22-(carboxymethyl)-6-((S)-1-carboxypropan-2-yl)-9-(hydroxymethyl)-19. CAS No. 123180-72-3. Molecular formula: C72H101N17O26. Mole weight: 1620.67. Catalog: APB123180723. | |
| Decitabine Impurity 1 (alpha-Isomer) | Decitabine Impurity 1 (alpha-Isomer) is a pharmacological compound serving as an impurity reference standard for decitabine, a compound primarily employed for the research of myelodysplastic syndrome (MDS) and acute myeloid leukemia (AML). It plays a crucial role in facilitating the identification and quantification of impurities present in decitabine formulations. Synonyms: Methyl-2-deoxy-alpha-D-ribofuranoside; Methyl 2-deoxy-a-D-ribofuranoside. Grade: > 95%. CAS No. 51255-17-5. Molecular formula: C6H12O4. Mole weight: 148.16. | |
| Decitabine Impurity 2 (alpha-Isomer) | Decitabine Impurity 2 (alpha-Isomer) is an impurity of Decitabine, a drug prevalently utilized in the therapy of myelodysplastic syndromes and acute myeloid leukemia, garners immense recognition in clinical therapy. Synonyms: Methyl 2-deoxy-3,5-di-O-p-toluoyl-α-D-ribo-furanoside. Grade: > 95%. CAS No. 78185-64-5. Molecular formula: C22H24O6. Mole weight: 384.43. | |
| Decitabine Impurity 2 (beta-Isomer) | Decitabine Impurity 2 (beta-Isomer) is an impurity of Decitabine, an efficacious remedy administered in the therapy of specific variants of leukemia. Grade: > 95%. CAS No. 78185-65-6. Molecular formula: C22H24O6. Mole weight: 384.43. | |
| Decitabine Impurity 31 (alpha-Isomers) | Decitabine Impurity 31 (alpha-Isomers) is an impurity of Decitabine, which is a potent inhibitor of DNA methylation. Molecular formula: C7H14N4O4. Mole weight: 218.21. | |
| Decitabine impurity 7 (Mixture of α/β isomers) | 2-Deoxy-D-erythro-pentopyranosyl chloride bis(4-methylbenzoate) is an impurity of Decitabine, a DNA hypomethylating agent that is used to treat various forms of cancer, such as myelogeneous leukemia and metastatic lung cancerBy inhibiting DNA methyltransferase, Decitabine silences the tumour suppressor genes and, consequently, "normalizing" gene expression in cancerous cells. Synonyms: 2-Deoxy-D-erythro-pentopyranosyl Chloride Bis(4-methylbenzoate). Grade: > 95%. CAS No. 20535-28-8. Molecular formula: C21H21ClO5. Mole weight: 388.84. | |
| Deferasirox Impurity 19 (Mixture of Isomers) | Deferasirox Impurity 19 is an impurity of Deferasirox. Deferasirox is an oral iron chelator used to treat chronic iron overload in patients receiving long term blood transfusions. Molecular formula: C42H28N6O9S. Mole weight: 792.77. | |
| Desloratadine EP Impurity A (R-Isomer) | Desloratadine EP Impurity A (R-Isomer) is an impurity of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergic rhinitis, nasal congestion and chronic idiopathic urticaria (hives). Synonyms: (R)-8-Chloro-11-fluoro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (11R)-8-chloro-11-fluoro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (11R)-8-Chloro-11-fluoro-6,11-dihydro-11-(4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (R)-11-Fluoro Desloratadine; (R)-Fluorodesloratadine; 5H-Benzo(5,6)cyclohepta(1,2-b)pyridine, (11R)-8-chloro-11-fluoro-6,11-dihydro-11-(4-piperidinyl)-. Molecular formula: C19H20ClFN2. Mole weight: 330.83. | |
| Desloratadine EP Impurity A (S-Isomer) | Desloratadine EP Impurity A (S-Isomer) is an impurity of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergic rhinitis, nasal congestion and chronic idiopathic urticaria (hives). Synonyms: (S)-8-Chloro-11-fluoro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (11S)-8-chloro-11-fluoro-11-(piperidin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (11S)-8-Chloro-11-fluoro-6,11-dihydro-11-(4-piperidinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (S)-11-Fluoro Desloratadine; (S)-Fluorodesloratadine; 5H-Benzo(5,6)cyclohepta(1,2-b)pyridine, (11S)-8-chloro-11-fluoro-6,11-dihydro-11-(4-piperidinyl)-. Molecular formula: C19H20ClFN2. Mole weight: 330.83. | |
| Desloratadine EP Impurity B (R-Isomer) | Desloratadine EP Impurity B (R-Isomer) is an impurity of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergic rhinitis, nasal congestion and chronic idiopathic urticaria (hives). Synonyms: (R)-8-Chloro-11-(1,2,3,6-tetrahydropyridin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (R)-Iso Desloratadine; (11R)-8-Chloro-6,11-dihydro-11-(1,2,3,6-tetrahydro-4-pyridinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (R)-Desloratadine Impurity B; 5H-Benzo[5,6]cyclohepta[1,2-b]pyridine, (11R)-8-chloro-6,11-dihydro-11-(1,2,3,6-tetrahydro-4-pyridinyl)-. Molecular formula: C19H19ClN2. Mole weight: 310.82. | |
| Desloratadine EP Impurity B (S-Isomer) | Desloratadine EP Impurity B (S-Isomer) is an impurity of Desloratadine, which is a tricyclic H1 inverse agonist used to treat allergic rhinitis, nasal congestion and chronic idiopathic urticaria (hives). Synonyms: (S)-8-Chloro-11-(1,2,3,6-tetrahydropyridin-4-yl)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (S)-Iso Desloratadine; (11S)-8-Chloro-6,11-dihydro-11-(1,2,3,6-tetrahydro-4-pyridinyl)-5H-benzo[5,6]cyclohepta[1,2-b]pyridine; (S)-Desloratadine Impurity B; 5H-Benzo[5,6]cyclohepta[1,2-b]pyridine, (11S)-8-chloro-6,11-dihydro-11-(1,2,3,6-tetrahydro-4-pyridinyl)-. Molecular formula: C19H19ClN2. Mole weight: 310.82. | |
| Doripenem Impurity MAP-alfa isomer (Meropenem Related Compound 1) | Doripenem Impurity MAP-alfa isomer is a Meropenem intermediate. Synonyms: 4-Nitrobenzyl (4S,5R,6S)-3-[(diphenylphosphono)oxy]-6-[(R)-1-hydroxyethyl]-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate. Grade: > 95%. CAS No. 189188-38-3. Molecular formula: C29H27N2O10P. Mole weight: 594.51. | |
| Fenoterol EP Impurity A (S,R-Isomer) | Fenoterol EP Impurity A (S,R-Isomer) is an impurity of Fenoterol, which is a β2-adrenergic agonist used in the treatment of asthma and chronic obstructive pulmonary disease. Synonyms: 1,3-Benzenediol, 5-[(1S)-1-hydroxy-2-[[(1R)-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]-; 5-[(1S)-1-Hydroxy-2-[[(1R)-2-(4-hydroxyphenyl)-1-methylethyl]amino]ethyl]-1,3-benzenediol; (S,R)-Fenoterol; 5-[(S)-1-Hydroxy-2-[[(R)-alpha-methyl-4-hydroxyphenethyl]amino]ethyl]resorcinol; (S,R)-(+)-fenoterol; 5-[(1S)-1-Hydroxy-2-{[(2R)-1-(4-hydroxyphenyl)-2-propanyl]amino}ethyl]-1,3-benzenediol. Grade: ≥95%. CAS No. 391234-95-0. Molecular formula: C17H21NO4. Mole weight: 303.36. | |
| Flurbiprofen Impurity (3-Fluoro isomer) | Flurbiprofen Impurity (3-Fluoro isomer) is an impurity of flurbiprofen, a preeminent nonsteroidal anti-inflammatory drug (NSAID) renowned for mollifying pain and inflammation linked to rheumatoid arthritis, osteoarthritis and numerous musculoskeletal afflictions. Synonyms: [1,1'-Biphenyl]-4-acetic acid, 3-fluoro-α-methyl-, 1-(acetyloxy)ethyl ester; 1-(Acetyloxy)ethyl 3-fluoro-α-methyl[1,1'-biphenyl]-4-acetate; FP 83; 1-Acetoxyethyl 2-(3-fluoro-[1,1'-biphenyl]-4-yl)propanoate. Grade: >95%. CAS No. 119623-42-6. Molecular formula: C19H19FO4. Mole weight: 330.36. | |
| Formoterol Fumarate Dihydrate EP Impurity I (R,S-isomer) ((R,S)-Formoterol) | Formoterol Fumarate Dihydrate EP Impurity I (R,S-isomer) ((R,S)-Formoterol) is an impurity of Formoterol Fumarate Dihydrate, a drug used for the therapy of various respiratory disorders, including asthma and chronic obstructive pulmonary disease (COPD). Synonyms: Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, [R-(R*,S*)]-. Grade: > 95%. CAS No. 67346-51-4. Molecular formula: C19H24N2O4. Mole weight: 344.41. | |
| Formoterol Fumarate Dihydrate EP Impurity I (S,R-isomer) | Formoterol Fumarate Dihydrate EP Impurity I (S,R-isomer) is an extensively refined derivative of Formoterol Fumarate Dihydrate. Formoterol Fumarate Dihydrate is an indispensable long-acting beta2-adrenergic agonist (LABA) bronchodilator. Synonyms: (S,R)-Formoterol; Formamide, N-[2-hydroxy-5-[1-hydroxy-2-[[2-(4-methoxyphenyl)-1-methylethyl]amino]ethyl]phenyl]-, [S-(R*,S*)]-. Grade: > 95%. CAS No. 67346-50-3. Molecular formula: C19H24N2O4. Mole weight: 344.41. | |
| Fosinopril impurity (2R, 4S isomer) | Fosinopril impurity (2R, 4S isomer). Grade: > 95%. Molecular formula: C30H46NO7P. Mole weight: 563.68. | |
| Glycopyrronium Bromide EP Impurity C (R-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. It is also an impurity of Sertraline, a selective serotonin reuptake inhibitor (SSRI) used to treat certain mental disorders. Synonyms: Sertraline EP Impurity E; (R)-(-)-Mandelic acid; (R)-mandelic acid; D-Mandelic acid. Grade: > 98 %. CAS No. 611-71-2. Molecular formula: C8H8O3. Mole weight: 152.15. | |
| Glycopyrronium Bromide EP Impurity C (S-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (S)-(+)-Mandelic acid; (S)-Mandelic acid; L-mandelic acid. Grade: ≥ 99 %. CAS No. 17199-29-0. Molecular formula: C8H8O3. Mole weight: 152.15. | |
| Glycopyrronium Bromide EP Impurity I (mixture of RR-Isomer and SS-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (R)-3-((R)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide and (S)-3-((S)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide. Grade: > 95%. Molecular formula: C19H27ClNO3.Br. Mole weight: 432.78. | |
| Glycopyrronium Bromide EP Impurity I (mixture of RS-Isomer and SR-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (S)-3-((R)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide and (R)-3-((S)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide. Grade: > 95%. Molecular formula: C19H27ClNO3.Br. Mole weight: 432.78. | |
| Glycopyrronium Bromide EP Impurity I (RR-Isomer) | Glycopyrrolate Impurity I (RR-Isomer) is one of Glycopyrrolate impurities. Glycopyrrolate is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (R)-3-((R)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide; USP Glycopyrrolate Related Compound I; Glycopyrrolate Related Compound I (RR-Isomer). Molecular formula: C19H27ClNO3.Br. Mole weight: 432.78. | |
| Glycopyrronium Bromide EP Impurity I (RS-Isomer) | Glycopyrrolate Impurity I (RS-Isomer) is one of Glycopyrrolate impurities. Glycopyrrolate is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (S)-3-((R)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide; USP Glycopyrrolate Related Compound I; Glycopyrrolate Related Compound I (RS-Isomer). Molecular formula: C19H27ClNO3.Br. Mole weight: 432.78. | |
| Glycopyrronium Bromide EP Impurity I (SR-Isomer) | Glycopyrrolate Impurity I (SR-Isomer) is one of Glycopyrrolate impurities. Glycopyrrolate is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (R)-3-((S)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide; USP Glycopyrrolate Related Compound I; Glycopyrrolate Related Compound I (SR-Isomer). Molecular formula: C19H27ClNO3.Br. Mole weight: 432.78. | |
| Glycopyrronium Bromide EP Impurity I (SS-Isomer) | Glycopyrrolate Impurity I (SS-Isomer) is one of Glycopyrrolate impurities. Glycopyrrolate is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (S)-3-((S)-2-(4-chlorophenyl)-2-cyclopentyl-2-hydroxyacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide; USP Glycopyrrolate Related Compound I; Glycopyrrolate Related Compound I (SS-Isomer). Molecular formula: C19H27ClNO3.Br. Mole weight: 432.78. | |
| Glycopyrronium Bromide EP Impurity J (R-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (R)-(-)-2-hydroxy-2-cyclopentyl-2-phenylacetic acid; (R)-2-cyclopentylmandelic acid; α-cyclopentylmandelic acid; (R)-(cyclopentyl)(phenyl)(hydroxyl)acetic acid. Grade: 98%. CAS No. 64471-45-0. Molecular formula: C13H16O3. Mole weight: 220.26. | |
| Glycopyrronium Bromide EP Impurity J (S-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (S)-2-cyclopentyl-2-hydroxy-2-phenylacetic acid; alpha-Cyclopentylmandelic acid, (-)-. CAS No. 64471-43-8. Molecular formula: C13H16O3. Mole weight: 220.16. | |
| Glycopyrronium Bromide EP Impurity K (R-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: Cyclopentylphenylacetic acid, (R)-; a-phenylcyclopentaneacetic acid. CAS No. 73495-21-3. Molecular formula: C13H16O2. Mole weight: 204.26. | |
| Glycopyrronium Bromide EP Impurity K (S-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: Cyclopentylphenylacetic acid, (S)-; (S)-cyclopentylphenylacetic acid. CAS No. 33442-39-6. Molecular formula: C13H16O2. Mole weight: 204.26. | |
| Glycopyrronium Bromide EP Impurity L (R-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: (R)-methyl-2-cyclopentyl-2-hydroxy-2-phenylacetate; methyl (R)-2-cyclopentylmandelate; methyl cyclopentylmandelate; (R)-methyl α-cyclopentyl-α-hydroxy-α-phenylacetate; (-)-methyl cyclopentylmandelate. Grade: 98%. CAS No. 64471-47-2. Molecular formula: C14H18O3. Mole weight: 234.29. | |
| Glycopyrronium Bromide EP Impurity L (S-Isomer) | An impurity of Glycopyrrolate, which is an anticholinergic agent with antispasmodic activity used to treat gastrointestinal conditions associated. Synonyms: Methyl cyclopentylmandelate, (+)-. CAS No. 860644-54-8. Molecular formula: C14H18O3. Mole weight: 234.29. | |
| Hydroxychloroquine R-isomer Impurity | Hydroxychloroquine R-isomer Impurity. Grade: > 95%. Molecular formula: C18H26ClN3O. Mole weight: 335.88. | |
| Hydroxychloroquine S-isomer Impurity | Hydroxychloroquine S-isomer Impurity. Grade: > 95%. Molecular formula: C18H26ClN3O. Mole weight: 335.88. | |
| Losartan Isomer Impurity, Potassium Salt | Losartan impurity. Group: Biochemicals. Alternative Names: 2-Butyl-5-chloro-1-[[2'-(2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-1H-imidazole-4-methanol Potassium Salt. Grades: Highly Purified. CAS No. 860644-28-6. Pack Sizes: 10mg. US Biological Life Sciences. |  Worldwide |
| Losartan Isomer Impurity, Potassium Salt | Losartan Isomer Impurity, Potassium Salt. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS002161. Format: Neat. | |
| Ornidazole Isomer (Impurity) | Ornidazole Isomer (Impurity). Group: Biochemicals. Alternative Names: α-(Chloromethyl)-2-methyl-4-nitro-imidazole-1-ethanol; 1-(3-Chloro-2-hydroxypropyl)-2-methyl-4-nitroimidazole. Grades: Highly Purified. CAS No. 14419-11-5. Pack Sizes: 250mg. Molecular Formula: C7H10ClN3O3, Molecular Weight: 219.63. US Biological Life Sciences. | Worldwide |
| 1-(1,3-Dioxolan-2-ylmethyl)-N-methyl-4-(methylamino)-1H-imidazole-5-carboxamide | 1-(1,3-Dioxolan-2-ylmethyl)-N-methyl-4-(methylamino)-1H-imidazole-5-carboxamide is an impurity of Theophyline, a xanthine derivative with diuretic, cardiac stimulant and smooth muscle relaxant activities; isomeric with theobromine. Small amounts occur in tea. Bronchodilator. Group: Biochemicals. Grades: Highly Purified. CAS No. 1429636-74-7. Pack Sizes: 2.5mg, 5mg. Molecular Formula: C10H16N4O3, Molecular Weight: 240.26. US Biological Life Sciences. | Worldwide |
| 1-?[2-?[(1-?carboxy-?3-?phenylpropyl)?amino]?-?1-?oxopropyl]?octahydro-1H-?Indole-?2-?carboxylic acid | An isomer of Trandolaprilat, which is an impurity of Trandolapril. Trandolaprilat is an angiotensin converting enzyme inhibitor. Synonyms: 1H-Indole-2-carboxylicacid, 1-[2-[(1-carboxy-3-phenylpropyl)amino]-1-oxopropyl]octahydro-; 1-(2-((1-Carboxy-3-phenylpropyl)amino)-1-oxopropyl)octahydro-1H-indole-2-carboxylic acid; SCHEMBL678354; DTXSID90868979; 1H-Indol-2-carboxylic acid, 1-(2-((1-carboxy-3-phenylpropyl)amino)-1-oxopropyl)octahydro-; 1-{2-[(1-carboxy-3-phenylpropyl)amino]propanoyl}octahydro-1H-indole-2-carboxylic acid (non-preferred name); FT-0687175. CAS No. 83601-86-9. Molecular formula: C22H30N2O5. Mole weight: 402.491. | |
| 1,3,5-Tri-O-acetyl-2-deoxy-D-ribose (Major) | 1,3,5-Tri-O-acetyl-2-deoxy-D-ribose is used in the chemoenzymic preparation of nucleosides. It is also an intermediate int he synthesis of 2-Deoxy-D-α-ribopyranosyl-5-azacytosine which is an isomer of 2-Deoxy-D- β-ribopyranosyl-5-azacytosine (D253525), an impurity of Decitabine and potentially carcinogenic. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C11H16O7. US Biological Life Sciences. | Worldwide |
| 1,5-Bis([1,1'-biphenyl]-4-yl(phenyl)methyl)-1H-imidazole | 1,5-Bis([1,1'-biphenyl]-4-yl(phenyl)methyl)-1H-imidazoleis an impurity in the synthesis of 1,4-Bis([1,1'-biphenyl]-4-ylphenylmethyl)-1H-imidazole which is derived from 5-([1,1-Biphenyl]-4-ylphenylmethyl)-1H-imidazole (B397925), which is a structural isomer of Bifonazole (B383400) that is an anti-fungal agent used in the treatment of skin diseases. Bifonazole causes an increase in Ca2+ concentration and triggers cell death in PC3 human prostate cancer cells. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2.5mg. Molecular Formula: C41H32N2. US Biological Life Sciences. | Worldwide |
| (+/-)-17α-Dutasteride | An impurity of Dutasteride, which is a potent dual inhibitor of 5α-reductase isoenzymes type 1 and type 2. Synonyms: Dutasteride Impurity E (rel-isomer); Dutasteride EP Impurity E (rel-isomer); 1H-Indeno[5,4-f]quinoline-7-carboxamide, N-[2,5-bis(trifluoromethyl)phenyl]-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-, (4aR,4bS,6aS,7R,9aS,9bS,11aR)-rel-; rel-(4aR,4bS,6aS,7R,9aS,9bS,11aR)-N-[2,5-Bis(trifluoromethyl)phenyl]-2,4a,4b,5,6,6a,7,8,9,9a,9b,10,11,11a-tetradecahydro-4a,6a-dimethyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxamide; (+/-)-17a-Dutasteride; rac-N-[2,5-Bis(trifluoromethyl)phenyl]-3-oxo-4-aza-5a-androst-1-ene-17a-carboxamide. Grade: ≥95%. CAS No. 1796930-46-5. Molecular formula: C27H30F6N2O2. Mole weight: 528.53. | |
| 1-Bromo-6,6-dimethyl-2-hepten-4-yne | 1-Bromo-6,6-dimethyl-2-hepten-4-yne is an impurity of Terbinafine, which is an orally and topically active allylamine fungicidal agent used to treat superficial fungal infections of the skin and nails. Synonyms: 1-Bromo-6,6-dimethyl-2-hepten-4-yne (Mixture of cis-trans isomers); 2-Hepten-4-yne, 1-bromo-6,6-dimethyl-; (E/Z)-1-bromo-6,6-dimethylhept-2-ene-4-yne. Grade: 95%. CAS No. 126764-15-6. Molecular formula: C9H13Br. Mole weight: 201.11. | |
| (1R,3S)-Solifenacin Hydrochloride | An impurity of Solifenacin. Solifenacin is a muscarinic M3 receptor antagonist for treating contraction of overactive bladder with associated problems such as increased urination frequency and urge incontinence. Synonyms: Solifenacin (R,S)-Isomer Hydrochloride Salt; (1R)-3,4-Dihydro-1-phenyl-2(1H)-isoquinolinecarboxylic Acid (3S)-1-Azabicyclo-[2.2.2]oct-3-yl Ester Hydrochloride. Grade: 95%. CAS No. 180468-40-0. Molecular formula: C23H27ClN2O2. Mole weight: 398.93. | |
| (1R,4R)-Sertraline 4-Chlorophenyl Impurity HCl | An impurity of sertraline. Sertraline is a selective serotonin reuptake inhibitor (SSRI) for the treatment of depression. Synonyms: 1-Naphthalenamine, 4-(4-chlorophenyl)?-1,?2,?3,?4-tetrahydro-N-methyl-, hydrochloride, (1R-cis)?- (9CI); Sertraline EP Impurity C HCl (1R,4R-Isomer). Grade: > 95%. CAS No. 79617-90-6. Molecular formula: C17H19Cl2N. Mole weight: 308.25. | |
| (1R,9S)-Exatecan | (1R,9S)-Exatecan is an isomer of Exatecan, which is a DNA topoisomerase I inhibitor used to study cancer. Synonyms: Exatecan (1R,9S); Exatecan (1R,9S-isomer); (1R,9S)-1-amino-9-ethyl-5-fluoro-9-hydroxy-4-methyl-1,2,3,9,12,15-hexahydro-10H,13H-benzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-10,13-dione; 10H,13H-Benzo[de]pyrano[3',4':6,7]indolizino[1,2-b]quinoline-10,13-dione, 1-amino-9-ethyl-5-fluoro-1,2,3,9,12,15-hexahydro-9-hydroxy-4-methyl-, (1R,9S)-; Exatecan Impurity 4; (1R,9S)-DX8951f. Grade: ≥95%. CAS No. 2231666-57-0. Molecular formula: C24H22FN3O4. Mole weight: 435.45. | |
| 1R-Dapagliflozin | 1R-Dapagliflozin is an impurity of Dapagliflozin. Dapagliflozin is a selective, orally active inhibitor of the renal sodium-glucose co-transporter type 2 (SGLT2) in development for the treatment of type 2 diabetes mellitus (T2DM). Synonyms: Dapagliflozin alfa-Isomer; (2R,3R,4R,5S,6R)-2-(4-Chloro-3-(4-ethoxybenzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol. Grade: >95%. CAS No. 1373321-04-0. Molecular formula: C21H25ClO6. Mole weight: 408.87. | |
| 1-(RS)-6-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid | Ketorolac Impurity. Group: Biochemicals. Alternative Names: rac Ketorolac 6-benzoyl isomer; 6-Benzoyl-2,3-dihydro-1H-pyrrolizine-1-carboxylic acid; Ketorolac impurity C. Grades: Highly Purified. CAS No. 1026936-07-1. Pack Sizes: 50mg, 100mg, 250mg, 500mg. US Biological Life Sciences. | Worldwide |
| 2-[3,5-Bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]benzoic Acid | 2-[3,5-Bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]benzoic Acid is an impurity of Deferasirox. Deferasirox is an oral iron chelator used to treat chronic iron overload in patients receiving long term blood transfusions. Synonyms: Deferasirox 1,2-isomer; Deferasirox Impurity C. CAS No. 201530-78-1. Molecular formula: C21H15N3O4. Mole weight: 373.36. | |
| 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5-carboxylic acid | An impurity of Febuxostat. Febuxostat is an antihyperuricemic nonpurine inhibitor of both the oxidized and reduced forms of xanthine oxidase. Synonyms: Febuxostat sec-butoxy acid; Febuxostat 2-Butyl Isomer; Febuxostat Impurity J; 5-Thiazolecarboxylic acid, 2-[3-cyano-4-(1-methylpropoxy)phenyl]-4-methyl-. CAS No. 1335202-59-9. Molecular formula: C16H16N2O3S. Mole weight: 316.37. | |
| 25-Deacetyl-21-Acetyl Rifampicin | 25-Deacetyl-21-acetyl Rifampicin is a structural isomer, and impurity, of Rifampicin (R508000), a semisynthetic antibiotic. Antibacerial (tuberculostatic). Synonyms: Semi-synthetic rifamycin. Antibacterial (tuberculostatic). Grade: > 95%. CAS No. 1416773-22-2. Molecular formula: C43H58N4O12. Mole weight: 822.96. | |
| 2,6-Di-iso-propylnaphthalene | Crystalline, 96%, major impurity the 2,7-isomer. Synonyms: 2,6-Bis(1-methylethyl)-naphthalene. CAS No. 24157-81-1. Pack Sizes: 25g, 100g. Product ID: FR-0488. M.P. 68-69. Mole weight: 212.34. |  Frinton Laboratories |
| ?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-Ceftazidime | A Ceftazidime isomer, an impurity of Ceftazidime. Group: Biochemicals. Alternative Names: 1-[[ (2R, 6R, 7R) -7-[[ (2Z) -2- (2-Amino-4-thiazolyl) -2-[ (1-carboxy-1-methylethoxy) imino]acetyl]amino]-2-carboxy-8-oxo-5-thia-1-azabicyclo[4. 2. 0]oct-3-en-3-yl]methyl]pyridinium. Grades: Highly Purified. CAS No. 217796-42-4. Pack Sizes: 1mg. US Biological Life Sciences. | Worldwide |
| 2'-Deoxy-2',2'-difluoro-5,6-dihydro-6-hydroxyuridine (Mixture of Diastereomers) | 2'-Deoxy-2',2'-difluoro-5,6-dihydro-6-hydroxyuridine (Mixture of Diastereomers) is a mixture of R and S isomers of 2'-Deoxy-2',2'-difluoro-5,6-dihydro-6-hydroxyuridine which is an impurity (a product of degradation) of Gemcitabine Hydrochloride (G305000). Gemcitabine Hydrochloride is an antineoplastic agent. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 1mg, 2mg. Molecular Formula: C9H12F2N2O6. US Biological Life Sciences. | Worldwide |
| 2-Deoxy-α-L-erythro-pentopyranose-tris(4-methylbenzoate) | 2-Deoxy-α-L-erythro-pentopyranose-tris(4-methylbenzoate) in the synthesis of 2-Deoxy-D-α-ribopyranosyl-5-azacytosine which is an isomer of 2-Deoxy-D- β-ribopyranosyl-5-azacytosine (D253525), an impurity of Decitabine and potentially carcinogenic. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 10mg, 25mg. Molecular Formula: C29H28O7. US Biological Life Sciences. | Worldwide |
Our database is helping our users find suppliers everyday.
