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 (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. |  |
| Bortezomib Impurity 2 (SR-Isomer, Bortezomib Impurity E) | Bortezomib Impurity 2 (SR-Isomer, Bortezomib Impurity E) is an impurity in the synthesis of Bortezomib. Grades: 98% by HPLC. CAS No. 289472-78-2. Molecular formula: C19H24N4O3. Mole weight: 356.43. | |
| 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. Grades: 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. Grades: > 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. Grades: ≥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. Grades: > 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: Decitabine Impurity 1. Grades: > 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. Grades: > 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. Grades: > 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). Grades: > 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. | |
| 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. Grades: > 95%. CAS No. 189188-38-3. Molecular formula: C29H27N2O10P. Mole weight: 594.51. | |
| 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. Grades: > 95%. 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*)]-. Grades: > 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*)]-. Grades: > 95%. CAS No. 67346-50-3. Molecular formula: C19H24N2O4. Mole weight: 344.41. | |
| Fosinopril impurity (2R, 4S isomer) | Grades: > 95%. Molecular formula: C30H46NO7P. Mole weight: 563.68. | |
| Glycopyrrolate Impurity I (mixture of RR-Isomer and SS-Isomer) | | |
| Glycopyrrolate Impurity I (mixture of RS-Isomer and SR-Isomer) | | |
| Glycopyrrolate Impurity I (RR-Isomer) | | |
| Glycopyrrolate Impurity I (RS-Isomer) | | |
| Glycopyrrolate Impurity I (SR-Isomer) | | |
| Glycopyrrolate Impurity I (SS-Isomer) | | |
| 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 (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 | Grades: > 95%. Molecular formula: C18H26ClN3O. Mole weight: 335.88. | |
| Hydroxychloroquine S-isomer Impurity | Grades: > 95%. Molecular formula: C18H26ClN3O. Mole weight: 335.88. | |
| Linagliptin Impurity 10 (S-Isomer) | a novel potent and selective dipeptidyl peptidase-4 (DPP-4) inhibitor with potential use in the treatment of type 2 diabetes. Synonyms: (S)-Linagliptin; 8-[(3S)-3-Amino-1-piperidinyl]-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione. Grades: > 95%. CAS No. 668270-11-9. Molecular formula: C25H28N8O2. Mole weight: 472.55. | |
| Lincomycin Impurity B (Mixture of Z and E Isomers) | Grades: > 95%. Molecular formula: C18H32N2O6S. Mole weight: 404.53. | |
| Lisinopril Impurity F (Mixture of Isomers) | Lisinopril Impurity F (Mixture of Isomers) is an impurity of Lisinopril, a medication of the angiotensin-converting enzyme inhibitor class that is used to treat high blood pressure. Molecular formula: C21H37N3O5. Mole weight: 411.53. | |
| Lopinavir 2,4-Phenoxy Isomer Impurity | Synonyms: (2S)-N-[(1S,3S,4S)-1-Benzyl-4-[[2-(2,4-dimethylphenoxy)acetyl]amino]-3-hydroxy-5-phenylpentyl]-3-methyl-2-[2oxotetrahydropyrimidin-1(2H)-yl]butanamide. Grades: > 95%. Molecular formula: C37H48N4O5. Mole weight: 628.8. | |
| 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. | |
| Metoprolol Impurity 2 (Mixture of Z and E Isomers) | 1-[4-(2-Methoxyethenyl)phenoxy]-3-[(1-methylethyl)amino]-2-propanol is used in the synthesis of aminohydroxypropyl ethers and antihypertensive agents. Synonyms: 1-[4-(2-Methoxyethenyl)phenoxy]-3-[(1-methylethyl)amino]-2-propanol. Grades: > 95%. CAS No. 82961-02-2. Molecular formula: C15H23NO3. Mole weight: 265.35. | |
| 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 |
| Oxybutynin HCl Adduct Impurity (Mixture of Isomers) | An impurity of Oxybutynin which is an inhibitor of proliferation and supresses gene expression in bladder smooth muscle cells. Grades: > 95%. Molecular formula: C22H32ClNO3. Mole weight: 393.96. | |
| Pazufloxacin isomer Impurity | Pazufloxacin isomer Impurity is an impurity of Pazufloxacin. Pazufloxacin is a fluoroquinolone antibiotic. Synonyms: (R)-10-(1-aminocyclopropyl)-9-fluoro-3-methyl-7-oxo-3,7-dihydro-2H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid; 7H-Pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid, 10-(1-aminocyclopropyl)-9-fluoro-2,3-dihydro-3-methyl-7-oxo-, (3R)-. CAS No. 166665-94-7. Molecular formula: C16H15FN2O4. Mole weight: 318.30. | |
| Phenylephrine EP Impurity D ((S)-Isomer) | An impurity of Phenylephrine which is in a class of medications called nasal decongestants. Synonyms: Benzenemethanol, 3-hydroxy-alpha-[[methyl(phenylmethyl)amino]methyl]-, (alphaS)-; DTXSID401162255; (alphaS) -3-Hydroxy-alpha-[[methyl (phenylmethyl) amino]methyl]benzenemethanol. Grades: > 95%. CAS No. 286426-31-1. Molecular formula: C16H19NO2. Mole weight: 257.34. | |
| Phenylephrine Impurity A HCl (R-Isomer) | An impurity of Phenylephrine which is used as a mydriatic, nasal decongestant, and cardiotonic agent. Uses: Adrenergic alpha-agonists. Synonyms: norfenefrine hydrochloride; 4779-94-6; Norfenefrine HCl; 3-(2-amino-1-hydroxyethyl)phenol hydrochloride; Zondel; Norphenylephrine hydrochloride; 15308-34-6; Esbuphon; 636-87-3; Molycor-R hydrochloride; DTXSID1046710; (+)-Norphenylephrine hydrochloride; NSC-100733; NSC-297582; 3-(2-amino-1-hydroxyethyl)phenol; hydrochloride; Esbuphon; Molycor R; NSC 100733; NSC 297582; 1FCN9TAU6R; Norfenefrine hydrochloride (JAN); Norfenefrine hydrochloride [JAN]; Novadral; (S)-alpha.-(aminomethyl)-3-hydroxybenzyl alcohol hydrochloride. Grades: > 95%. CAS No. 636-87-3. Molecular formula: C8H11NO2.HCl. Mole weight: 189.64. | |
| Phenylephrine Impurity A HCl (S-Isomer) | An impurity of Phenylephrine which is a decongestant that shrinks blood vessels in the nasal passages. Synonyms: (S)-alpha-(Aminomethyl)-3-hydroxybenzyl alcohol hydrochloride; EINECS 256-083-0; 3-[(1S)-2-amino-1-hydroxyethyl]phenol; hydrochloride; DTXSID40195686. Grades: > 95%. CAS No. 43090-68-2. Molecular formula: C8H11NO2.HCl. Mole weight: 189.64. | |
| Prasugrel Impurity 6 HCl (Mixture of Isomers) | An impurity of Prasugrel.Prasugrel is a platelet inhibitor. It can be used to prevent formation of blood clots. Grades: > 95%. Molecular formula: C18H19ClFNO2S. HCl. Mole weight: 367.87 36.46. | |
| Ramipril Impurity K (Mixture of Isomers) | A metabolite of ramipril.Ramipril is an angiotensin-converting enzyme inhibitor. It can be used for treatment of hypertension and congestive heart failure. Synonyms: (αS,3S,5aS,8aS,9aS)-Decahydro-3-methyl-1,4-dioxo-α-(2-phenylethyl)- 2H-Cyclopenta[4,5]pyrrolo[1,2-a]pyrazine-2-acetic Acid; [3S-[2(R*), 3α, 5aβ, 8aβ, 9aβ]]-Decahydro-3-methyl-1, 4-dioxo-α-(2-phenylethyl)-2H-cyclopenta[4, 5]pyrrolo[1, 2-a]pyrazine-2-acetic Acid; Ramipril Diketopiperazine Acid; Ramipril EP Impurity K. Grades: > 95%. CAS No. 108736-10-3. Molecular formula: C21H26N2O4. Mole weight: 370.45. | |
| Rifampicin Impurity 1 (Mixture of Z and E Isomers) | Rifampicin Impurity 1 (Mixture of Z and E Isomers) is an impurity of Rifampamycin. Rifampicin is a bactericidal antibiotic agent of the rifamycin group. Synonyms: 3-[[2- (4-Pyridinylcarbonyl) hydrazinylidene]methyl]-rifamycin; 3-(Isonicotinoylhydrazonomethyl) Rifamycin; 3-Formyl Rifamycin Isonicotinoyl Hydrazone; (8E, 12Z, 14Z, 24Z)-5, 6, 17, 19-Tetrahydroxy-23-methoxy-2, 4, 12, 16, 18, 20, 22-heptamethyl-1, 9, 11-trioxo-8-{[2-(pyridine-4-carbonyl)hydrazinyl]methylidene}-1, 2, 8, 9-tetrahydro-2, 7-(epoxypentadeca[1, 11, 13]trienoimino)naphtho[2, 1-b]furan-21-yl acetate. Grades: > 98%. CAS No. 13292-53-0. Molecular formula: C44H52N4O13. Mole weight: 844.90. | |
| Risperidone Impurity B (E-Isomer) | An impurirty of Risperidone,Risperidone is a combined serotonin (5-HT2) and dopamine (D2) receptor antagonist. Synonyms: 3-[2-[4-[(E)-(2,4-Difluorophenyl)(hydroxyimino)methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one. Grades: > 95%. CAS No. 691007-09-7. Molecular formula: C23H28F2N4O2. Mole weight: 430.5. | |
| Risperidone Impurity B (Mixture of E/Z Isomers) | Impurirties of Risperidone,Risperidone is a combined serotonin (5-HT2) and dopamine (D2) receptor antagonist. Synonyms: 3- (2- (4- ( (2, 4-difluorophenyl) (hydroxyimino)methyl)piperidin-1-yl)ethyl)-2-methyl-6, 7, 8, 9-tetrahydro-4H-pyrido[1, 2-a]pyrimidin-4-one. Grades: > 95%. CAS No. 158697-66-6. Molecular formula: C23H28F2N4O2. Mole weight: 430.5. | |
| Risperidone Impurity B (Z-Isomer) | An impurirty of Risperidone,Risperidone is a combined serotonin (5-HT2) and dopamine (D2) receptor antagonist. Synonyms: 3-[2-[4-[(Z)-(2,4-Difluorophenyl)(hydroxyimino)methyl]-1-piperidinyl]ethyl]-6,7,8,9-tetrahydro-2-methyl-4H-pyrido[1,2-a]pyrimidin-4-one. Grades: > 95%. CAS No. 132961-05-8. Molecular formula: C23H28F2N4O2. Mole weight: 430.5. | |
| Sildenafil Impurity 15 (Isomer of Isobutyl Sildenafil) | | |
| Sofosbuvir Impurity 37 ( Sofosbuvir Isomer) | An impurity of Sofosbuvir. Sofosbuvir is a NS5B inhibtor used for the treatment of hepatitis C. It is only recommended with some combination of ribavirin, peginterferon-alfa, simeprevir, ledipasvir or daclatasvir. Grades: > 95%. Molecular formula: C22H29FN3O9P. Mole weight: 529.46. | |
| Vernakalant Impurity 1 ((3S,1'S,2'S)-Isomer) HCl | An impurity of Vernakalant. Vernakalant is a medication used for the treatment of acute conversion of atrial fibrillation. Vernakalant blocks cardiac transient outward potassium current with increased potency as the heart rate increases. CAS No. 795282-00-7. Molecular formula: C20H31NO4. HCl. Mole weight: 385.93. | |
| Vernakalant Impurity 2 ((3S,1'R,2'R)-Isomer) HCl | An impurity of Vernakalant. Vernakalant is a medication used for the treatment of acute conversion of atrial fibrillation. Vernakalant blocks cardiac transient outward potassium current with increased potency as the heart rate increases. CAS No. 795281-99-1. Molecular formula: C20H31NO4. HCl. Mole weight: 385.93. | |
| Vernakalant Impurity 3 ((3S,1'R,2'S)-Isomer) | An impurity of Vernakalant. Vernakalant is a medication used for the treatment of acute conversion of atrial fibrillation. Vernakalant blocks cardiac transient outward potassium current with increased potency as the heart rate increases. CAS No. 795282-30-3. Molecular formula: C20H31NO4. Mole weight: 349.47. | |
| Vernakalant Impurity 4 ((3S,1'S,2'R)-Isomer) | An impurity of Vernakalant. Vernakalant is a medication used for the treatment of acute conversion of atrial fibrillation. Vernakalant blocks cardiac transient outward potassium current with increased potency as the heart rate increases. CAS No. 795282-28-9. Molecular formula: C20H31NO4. Mole weight: 349.47. | |
| Vernakalant Impurity 5 ((3R,1'S,2'S)-Isomer) HCl | An impurity of Vernakalant. Vernakalant is a medication used for the treatment of acute conversion of atrial fibrillation. Vernakalant blocks cardiac transient outward potassium current with increased potency as the heart rate increases. CAS No. 795281-93-5. Molecular formula: C20H31NO4. HCl. Mole weight: 385.93. | |
| Vernakalant Impurity 7 ((3R,1'R,2'S)-Isomer) | An impurity of Vernakalant. Vernakalant is a medication used for the treatment of acute conversion of atrial fibrillation. Vernakalant blocks cardiac transient outward potassium current with increased potency as the heart rate increases. CAS No. 795282-29-0. Molecular formula: C20H31NO4. Mole weight: 349.47. | |
| Vernakalant Impurity 8 ((3R,1'S,2'R)-Isomer) | An impurity of Vernakalant. Vernakalant is a medication used for the treatment of acute conversion of atrial fibrillation. Vernakalant blocks cardiac transient outward potassium current with increased potency as the heart rate increases. CAS No. 795282-27-8. Molecular formula: C20H31NO4. Mole weight: 349.47. | |
| Vilanterol Impurity 8 (S-isomer) | An impurity of Vilanterol. Vilanterol is a relatively selective, long-acting β2-adrenergic agonist as a bronchodilator used for the treatment of COPD and asthma. Synonyms: (S) -4- (2- ( (6- (2- ( (2, 6-dichlorobenzyl) oxy) ethoxy) hexyl) amino) -1-hydroxyethyl) -2- (hydroxymethyl) phenol 2,2,2-Triphenylacetate. Molecular formula: C24H33Cl2NO5.C20H16O2. Mole weight: 774.77. | |
| Vinpocetine impurity (trans isomer) | An impurity of Vinpocetine. Vinpocetine, isolated from the lesser periwinkle plant, is a derivative of the vinca alkaloid vincamine with an effect of cerebral blood-flow enhancing and neuroprotection. Vinpocetine was approved for the treatment of cerebrovascular disorders and age-related memory impairment in Eastern Europe. Molecular formula: C24H30N2O2. Mole weight: 378.52. | |
| Vitamin E Impurity D (Mixture of Z and E isomers) | One of the impurities of Vitamin E, which has been found to exhibit antioxidant activity. CAS No. 37570-32-4. Molecular formula: C32H54O3. Mole weight: 486.79. | |
| 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 |
Our database is helping our users find suppliers everyday.
