Alfa Chemistry Analytical Products - Products
Alfa Chemistry is a global leading supplier of analytical chemistry reagents, providing a wide range of analytical chemicals such as analytical standards for a variety of analytical applications.
| Product | Description | |
|---|---|---|
| 4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-Alpha,Alpha-dimethyl-benzeneacetic Acid | 4-[4-[4-(Diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-Alpha,Alpha-dimethyl-benzeneacetic Acid. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-[4-[(1RS)-4-[4-(Diphenylmethyl-idene)piperidin-1-yl]-1-hydroxybutyl]phenyl]-2-methylpropanoic Acid,Benzeneacetic acid, 4-[4-[4-(diphenylmethylene)-1-piperidinyl]-1-hydroxybutyl]-α,α-dimethyl-. CAS No. 1187954-57-9. Pack Sizes: 10MG. IUPAC Name: 2-[4-[4-(4-benzhydrylidenepiperidin-1-yl)-1-hydroxybutyl]phenyl]-2-methylpropanoic acid. Molecular Formula: C32H37NO3. Mole Weight: 483.64. Catalog: APS1187954579. SMILES: CC (C) (C (=O)O)c1ccc (cc1)C (O)CCCN2CCC (=C (c3ccccc3)c4ccccc4)CC2. Format: Neat. Shipping: Room Temperature. |  |
| 4,4',4''-Methylidynetrisbenzonitrile (Letrozole Impurity) | 4,4',4''-Methylidynetrisbenzonitrile (Letrozole Impurity). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Letrozole Impurity B. CAS No. 113402-31-6. IUPAC Name: 4-[bis(4-cyanophenyl)methyl]benzonitrile. Molecular Formula: C22H13N3. Mole Weight: 319.36. Catalog: APS113402316. Format: Neat. | |
| 4,4'-Bis(4-aminobenzenesulfonyl)hydrazobenzene | 4,4'-Bis(4-aminobenzenesulfonyl)hydrazobenzene. Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 5MG. Catalog: APS004625. Format: Neat. Shipping: Room Temperature. | |
| 4,?4'-?Methylenebis[3-?methyl-phenol] | 4,?4'-Methylenebis[3-methyl-phenol]. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00448. Format: Neat. | |
| 4-?(4-Morpholinyl)?-1,?2,?5-?thiadiazol-?3(2H)?-?one 1-Oxide | 4-(4-Morpholinyl)?-1,?2,?5-thiadiazol-3(2H)?-one 1-Oxide. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Timolol Maleate Imp. G (EP), 3-Hydroxy-4-morpholino-1,2,5-thiadiazole 1-Oxide, 4-(Morpholin-4-yl)-1,2,5-thiadiazol-3(2H)-one 1-oxide, 4-(4-Morpholinyl)-1,2,5-thiadiazol-3(2H)-one 1-oxide, Timolol Imp. G (EP). CAS No. 75202-36-7. IUPAC Name: 4-morpholin-4-yl-1-oxo-1,2,5-thiadiazol-3-ol. Molecular Formula: C6H9N3O3S. Mole Weight: 203.22. Catalog: APS75202367. SMILES: OC1=NS(=O)N=C1N2CCOCC2. Format: Neat. | |
| 4,5,6,7-Tetrahydrothieno[3,2-c]pyridin-2-ol 2-Acetate Hydrochloride | 4,5,6,7-Tetrahydrothieno[3,2-c]pyridin-2-ol 2-Acetate Hydrochloride. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00453. Format: Neat. | |
| 4-[(5,6-Diphenyl-2-pyrazinyl)(1-methylethyl)amino]-1-butanol | 4-[(5,6-Diphenyl-2-pyrazinyl)(1-methylethyl)amino]-1-butanol. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00460. Format: Neat. | |
| 4,5-Bis(chloromethyl)-1,3-dioxol-2-one | 4,5-Bis(chloromethyl)-1,3-dioxol-2-one. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1443544-27-1. IUPAC Name: 4,5-bis(chloromethyl)-1,3-dioxol-2-one. Molecular Formula: C5H4Cl2O3. Mole Weight: 182.9896. Catalog: APS1443544271. SMILES: ClCC1=C(CCl)OC(=O)O1. Format: Neat. | |
| 4,5-Dehydro Apixaban | 4,5-Dehydro Apixaban. Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 2.5MG. Catalog: APS004630. Format: Neat. Shipping: Room Temperature. | |
| 4,5-Dichloro-N-[[(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)phenyl]-5-oxazolidinyl]methyl]-2-thiophenecarb | 4,5-Dichloro-N-[[(5S)-2-oxo-3-[4-(3-oxo-4-morpholinyl)phenyl]-5-oxazolidinyl]methyl]-2-thiophenecarb. Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 50MG. Catalog: APS004631. Format: Neat. | |
| 4-(6,8-Dibromo-3(4H)-quinazolinyl)-cyclohexanol | 4-(6,8-Dibromo-3(4H)-quinazolinyl)-cyclohexanol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-(6,8-dibromo-3(4H)-quinazolinyl)cyclohexanol. CAS No. 1797894-71-3. Pack Sizes: 10MG. IUPAC Name: 4-(6,8-dibromo-4H-quinazolin-3-yl)cyclohexan-1-ol. Molecular Formula: C14H16Br2N2O. Mole Weight: 388.10. Catalog: APS1797894713. SMILES: OC1CCC(CC1)N2Cc3cc(Br)cc(Br)c3N=C2. Format: Neat. Shipping: Room Temperature. | |
| 4,7-Dichloro-2,9-diphenyl-1,10-phenanthroline | 4,7-Dichloro-2,9-diphenyl-1,10-phenanthroline. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1956367-14-8. Molecular Formula: C24H14Cl2N2. Mole Weight: 401.29. Catalog: APB1956367148. | |
| 4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one (Loratadine Impurity) | 4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one (Loratadine Impurity). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-one, Loratadine Impurity E, Loratadine Impurity 24. CAS No. 133330-60-6. IUPAC Name: 4,8-dichloro-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridin-11-one. Molecular Formula: C14H9Cl2NO. Mole Weight: 278.13. Catalog: APS133330606. SMILES: Clc1ccc2C(=O)c3nccc(Cl)c3CCc2c1. Format: Neat. | |
| 4-Acetamido Antipyrine | 4-Acetamido Antipyrine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 83-15-8. Pack Sizes: 50MG. Molecular Formula: C13H15N3O2. Mole Weight: 245.28. Catalog: APS83158. Format: Neat. Shipping: Room Temperature. | |
| 4-Acetylamino-3-hydroxybenzoic Acid Ethyl Ester | 4-Acetylamino-3-hydroxybenzoic Acid Ethyl Ester. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1346604-18-9. Pack Sizes: 10MG. Molecular Formula: C11N13NO4. Mole Weight: 223.23. Catalog: APS1346604189. Format: Neat. Shipping: Room Temperature. | |
| 4-Acetyl Rhein | 4-Acetyl Rhein. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Acetoxy-5-hydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic Acid, 4-Acetyl Rhein, Monoacetyl Rhein Isomer B,2-Anthracenecarboxylic acid, 4-(acetyloxy)-9,10-dihydro-5-hydroxy-9,10-dioxo-. CAS No. 875535-36-7. IUPAC Name: 4-acetyloxy-5-hydroxy-9,10-dioxoanthracene-2-carboxylic acid. Molecular Formula: C17H10O7. Mole Weight: 326.26. Catalog: APS875535367. SMILES: CC (=O)Oc1cc (cc2C (=O)c3cccc (O)c3C (=O)c12)C (=O)O. Format: Neat. | |
| 4a-Hydroxy Ivermectin | 4a-Hydroxy Ivermectin. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Spiro[11,15-methano-2H,13H,17H-furo[4,3,2-pq][2,6]benzodioxacyclooctadecin-13,2'-[2H]pyran], avermectin A1a deriv. CAS No. 86629-74-5. Pack Sizes: 1MG. Molecular Formula: C48H74O15. Mole Weight: 891.09. Catalog: APS86629745. SMILES: CC[C@@H] (C)[C@H]1O[C@]2 (CC[C@@H]1C)C[C@@H]3C[C@@H] (C\C=C (/C)\[C@@H] (O[C@H]4C[C@H] (OC)[C@@H] (O[C@H]5C[C@H] (OC)[C@@H] (O)[C@H] (C)O5)[C@H] (C)O4)[C@@H] (C)\C=C\C=C/6\CO[C@@H]7[C@H] (O)C (=C[C@@H] (C (=O)O3)[C@]67O)CO)O2. Format: Neat. Shipping: Room Temperature. | |
| 4-Amino-1-[10-[(2-methyl-4-quinolyl)amino]decyl]quinaldinium Iodide Hydriodide | 4-Amino-1-[10-[(2-methyl-4-quinolyl)amino]decyl]quinaldinium Iodide Hydriodide. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00475. Format: Neat. | |
| 4-Amino-3-chloropyridine | 4-Amino-3-chloropyridine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 19798-77-7. Molecular Formula: C5H5ClN2. Mole Weight: 128.56. Catalog: APB19798777. | |
| 4-Amino-5-hydroxymethyl-2-methylpyrimidine Hydrochloride | 4-Amino-5-hydroxymethyl-2-methylpyrimidine Hydrochloride. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Amino-5-hydroxymethyl-2-methylpyrimidine Hydrochloride. CAS No. 13100-57-7. IUPAC Name: (4-amino-2-methylpyrimidin-5-yl)methanol;hydrochloride. Molecular Formula: C6H9N3O.ClH. Mole Weight: 175.62. Catalog: APS13100577. SMILES: Cl.Cc1ncc(CO)c(N)n1. Format: Neat. Shipping: Room Temperature. | |
| 4-(Aminomethyl)-2-methoxyphenol Hydrochloride (Vanillylamine Hydrochloride) | 4-(Aminomethyl)-2-methoxyphenol Hydrochloride (Vanillylamine Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-(Aminomethyl)-2-methoxyphenol Hydrochloride, Vanillylamine Hydrochloride. CAS No. 7149-10-2. IUPAC Name: 4-(aminomethyl)-2-methoxyphenol;hydrochloride. Molecular Formula: C8H11NO2.ClH. Mole Weight: 189.64. Catalog: APS7149102. SMILES: Cl.COc1cc(CN)ccc1O. Format: Neat. Shipping: Room Temperature. | |
| 4-Bromobutyric acid methyl ester | 4-Bromobutyric acid methyl ester. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1117-71-1. Molecular Formula: C5H7BrO2. Mole Weight: 179.01. Catalog: APB1117711. | |
| 4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxamide | 4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxamide. Uses: For analytical and research use. Group: Impurity standards. CAS No. 147404-72-6. IUPAC Name: 2-[4-(bromomethyl)phenyl]benzamide. Molecular Formula: C14H12BrNO. Mole Weight: 290.16. Catalog: APS147404726. SMILES: NC(=O)c1ccccc1c2ccc(CBr)cc2. Format: Neat. | |
| 4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxylic Acid | 4'-(Bromomethyl)-[1,1'-biphenyl]-2-carboxylic Acid. Uses: For analytical and research use. Group: Impurity standards. CAS No. 150766-86-2. Pack Sizes: 500MG. IUPAC Name: 2-[4-(bromomethyl)phenyl]benzoic acid. Molecular Formula: C14H11BrO2. Mole Weight: 291.14. Catalog: APS150766862. SMILES: OC(=O)c1ccccc1c2ccc(CBr)cc2. Format: Neat. Shipping: Room Temperature. | |
| 4'-(Bromomethyl)biphenyl-2-carboxylic Acid tert-Butyl Ester | 4'-(Bromomethyl)biphenyl-2-carboxylic Acid tert-Butyl Ester. Uses: For analytical and research use. Group: Impurity standards. CAS No. 114772-40-6. IUPAC Name: tert-butyl 2-[4-(bromomethyl)phenyl]benzoate. Molecular Formula: C18H19BrO2. Mole Weight: 347.25. Catalog: APS114772406. SMILES: CC(C)(C)OC(=O)c1ccccc1c2ccc(CBr)cc2. Format: Neat. | |
| 4-Bromo Riluzole | 4-Bromo Riluzole. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Bromo-6-(trifluoromethoxy)-2-benzothiazolamine, 4-Bromoriluzole. CAS No. 144631-82-3. Pack Sizes: 100MG. IUPAC Name: 4-bromo-6-(trifluoromethoxy)-1,3-benzothiazol-2-amine. Molecular Formula: C8H4BrF3N2OS. Mole Weight: 313.09. Catalog: APS144631823. SMILES: Nc1nc2c(Br)cc(OC(F)(F)F)cc2s1. Format: Neat. Shipping: Room Temperature. | |
| (4-Carboxy-3-ethoxy)phenyl Acetic Acid | (4-Carboxy-3-ethoxy)phenyl Acetic Acid. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Repaglinide Imp. A (EP), 4-Carboxy-3-ethoxybenzeneacetic acid, 4-Carboxymethyl-2-ethoxybenzoic acid,Benzeneacetic acid, 4-carboxy-3-ethoxy-. CAS No. 220438-80-2. IUPAC Name: 4-(carboxymethyl)-2-ethoxybenzoic acid. Molecular Formula: C11H12O5. Mole Weight: 224.21. Catalog: APS220438802. SMILES: CCOc1cc(CC(=O)O)ccc1C(=O)O. Format: Neat. | |
| 4-Chloro-4-methyl-5-methylene-1,3-dioxolan-2-one (~90%) | 4-Chloro-4-methyl-5-methylene-1,3-dioxolan-2-one (~90%). Uses: For analytical and research use. Group: Impurity standards. CAS No. 95579-71-8. IUPAC Name: 4-chloro-4-methyl-5-methylene-1,3-dioxolan-2-one. Molecular Formula: C5H5ClO3. Mole Weight: 148.544. Catalog: APS95579718. SMILES: CC1(Cl)OC(=O)OC1=C. Format: Neat. | |
| 4'-Chloro Clomiphene Citrate(E/Z Mixture) | 4'-Chloro Clomiphene Citrate(E/Z Mixture). Uses: For analytical and research use. Group: Impurity standards. CAS No. 14158-75-9. Pack Sizes: 25MG. IUPAC Name: 2-[4-[2-chloro-2-(4-chlorophenyl)-1-phenylethenyl]phenoxy]-N,N-diethylethanamine;2-hydroxypropane-1,2,3-tricarboxylic acid. Molecular Formula: C26H27Cl2NO.C6H8O7. Mole Weight: 632.53. Catalog: APS14158759. SMILES: CCN (CC)CCOc1ccc (cc1)C (=C (Cl)c2ccc (Cl)cc2)c3ccccc3. OC (=O)CC (O) (CC (=O)O)C (=O)O. Format: Neat. Shipping: Room Temperature. | |
| 4-Chloro Loratadine | 4-Chloro Loratadine. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ethyl 4-(4,8-Dichloro-5,6-dihydro-11H-benzo[5,6]cyclohepta[1,2-b]pyridin-11-ylidene)piperidine-1-carboxylate, Loratadine Imp. C (EP). CAS No. 165739-83-3. IUPAC Name: ethyl 4-(4,8-dichloro-5,6-dihydrobenzo[1,2]cyclohepta[2,4-b]pyridin-11-ylidene)piperidine-1-carboxylate. Molecular Formula: C22H22Cl2N2O2. Mole Weight: 417.33. Catalog: APS165739833. SMILES: CCOC (=O)N1CCC (=C2c3ccc (Cl)cc3CCc4c (Cl)ccnc24)CC1. Format: Neat. | |
| 4-cyclopropyl-2-fluorobenzoic acid | 4-cyclopropyl-2-fluorobenzoic acid. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1247927-81-6. Molecular Formula: C10H9FO2. Mole Weight: 180.18. Catalog: APB1247927816. | |
| 4-Dechloro-4-hydroxy Diclazuril | 4-Dechloro-4-hydroxy Diclazuril. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2, 6-Dichloro-4-(4, 5-dihydro-3, 5-dioxo-1, 2, 4-triazin-2(3H)-yl)-α-(4-hydroxyphenyl)-benzeneacetonitrile, Benzeneacetonitrile, 2,6-dichloro-4-(4,5-dihydro-3,5-dioxo-1,2,4-triazin-2(3H)-yl)-α-(4-hydroxyphenyl)-. CAS No. 112206-71-0. IUPAC Name: 2-[2,6-dichloro-4-(3,5-dioxo-1,2,4-triazin-2-yl)phenyl]-2-(4-hydroxyphenyl)acetonitrile. Molecular Formula: C17H10Cl2N4O3. Mole Weight: 389.19. Catalog: APS112206710. SMILES: Oc1ccc (cc1)C (C#N)c2c (Cl)cc (cc2Cl)N3N=CC (=O)NC3=O. Format: Neat. | |
| 4-Demethyltrimethoprim | 4-Demethyltrimethoprim. Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 10MG. Catalog: APS004725. Format: Neat. Shipping: Room Temperature. | |
| 4-Deschloro-4-(2-furanylmethyl)amino Furosemide | 4-Deschloro-4-(2-furanylmethyl)amino Furosemide. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2,4-Bis[(furan-2-ylmethyl)amino]-5-sulphamoylbenzoic Acid, Furosemide Imp. D (EP). CAS No. 5046-19-5. IUPAC Name: 2,4-bis(furan-2-ylmethylamino)-5-sulfamoylbenzoic acid. Molecular Formula: C17H17N3O6S. Mole Weight: 391.40. Catalog: APS5046195. SMILES: NS (=O) (=O)c1cc (C (=O)O)c (NCc2occc2)cc1NCc3occc3. Format: Neat. | |
| 4-Desmethoxy-4-chloro Omeprazole | 4-Desmethoxy-4-chloro Omeprazole. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Omeprazole Imp. H (EP),2-[(RS)-[(4-Chloro-3,5-dimethylpyridin-2-yl)methyl]sulfinyl]-5-methoxy-1H-benzimidazole. CAS No. 863029-89-4. IUPAC Name: 2-[(4-chloro-3,5-dimethylpyridin-2-yl)methylsulfinyl]-5-methoxy-1H-benzimidazole. Molecular Formula: C16H16ClN3O2S. Mole Weight: 349.84. Catalog: APS863029894. SMILES: COc1ccc2[nH]c (nc2c1)S (=O)Cc3ncc (C)c (Cl)c3C. Format: Neat. | |
| 4-Desmethoxy Omeprazole | 4-Desmethoxy Omeprazole. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Omeprazole Imp. B (EP),Esomeprazole Magnesium Trihydrate Imp. B (EP), Esomeprazole Imp. B (EP), 2-[(RS)-[(3,5-Dimethylpyridin-2-yl)methyl]sulphinyl]-5-methoxy-1H-benzimidazole. CAS No. 110374-16-8. IUPAC Name: 2-[(3,5-dimethylpyridin-2-yl)methylsulfinyl]-5-methoxy-1H-benzimidazole. Molecular Formula: C16H17N3O2S. Mole Weight: 315.39. Catalog: APS110374168. SMILES: COc1ccc2[nH]c (nc2c1)S (=O)Cc3ncc (C)cc3C. Format: Neat. | |
| 4-Desmethoxypropoxyl-4-chloro Rabeprazole | 4-Desmethoxypropoxyl-4-chloro Rabeprazole. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Rabeprazole Sodium Imp. H (EP), Rabeprazole Imp. H (EP), Rabeprazole USP Related Compound F, 2-[(RS)-[(4-Chloro-3-methylpyridin-2-yl)methyl]sulphinyl]-1H-benzimidazole, Rabeprazole USP RC F,Lansoprazole Imp. F (EP). CAS No. 168167-42-8. IUPAC Name: 2-[(4-chloro-3-methylpyridin-2-yl)methylsulfinyl]-1H-benzimidazole. Molecular Formula: C14H12ClN3OS. Mole Weight: 305.78. Catalog: APS168167428. SMILES: Cc1c(Cl)ccnc1CS(=O)c2nc3ccccc3[nH]2. Format: Neat. | |
| 4-Desmethoxypropoxyl-4-chloro Rabeprazole Sulfide | 4-Desmethoxypropoxyl-4-chloro Rabeprazole Sulfide. Uses: For analytical and research use. Group: Impurity standards. CAS No. 103312-62-5. IUPAC Name: 2-[(4-chloro-3-methylpyridin-2-yl)methylsulfanyl]-1H-benzimidazole. Molecular Formula: C14H12ClN3S. Mole Weight: 289.78. Catalog: APS103312625. SMILES: Cc1c(Cl)ccnc1CSc2nc3ccccc3[nH]2. Format: Neat. | |
| 4-Desmethoxypropoxyl-4-methoxy Rabeprazole | 4-Desmethoxypropoxyl-4-methoxy Rabeprazole. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Rabeprazole Sodium Imp E (EP),2-[[(4-Methoxy-3-methyl-2-pyridinyl)methyl]sulfinyl]-1H-benzimidazole. CAS No. 102804-77-3. Pack Sizes: 10MG. IUPAC Name: 2-[(4-methoxy-3-methylpyridin-2-yl)methylsulfinyl]-1H-benzimidazole. Molecular Formula: C15H15N3O2S. Mole Weight: 301.36. Catalog: APS102804773. SMILES: COc1ccnc(CS(=O)c2nc3ccccc3[nH]2)c1C. Format: Neat. Shipping: Room Temperature. | |
| 4-Desulfo-4-hydroxy Picosulfate Monosodium Salt | 4-Desulfo-4-hydroxy Picosulfate Monosodium Salt. Uses: For analytical and research use. Group: Impurity standards. CAS No. 32500-19-9. Pack Sizes: 500MG. IUPAC Name: sodium;[4-[(4-hydroxyphenyl)-pyridin-2-ylmethyl]phenyl] sulfate. Molecular Formula: C18H14NO5S.Na. Mole Weight: 379.36. Catalog: APS32500199A. SMILES: [Na+]. Oc1ccc(cc1)C(c2ccc(OS(=O)(=O)[O-])cc2)c3ccccn3. Format: Neat. Shipping: Room Temperature. | |
| 4-Dihydroboldenone | 4-Dihydroboldenone. Uses: For analytical and research use. Group: Impurity standards. CAS No. 10529-96-1. Molecular Formula: C19H28O2. Mole Weight: 288.43. Catalog: APB10529961. | |
| 4-(+)-(Dimethylamino)-3-methyl-2,2-diphenyl-butyronitrile (Isodidiavalo) >90% | 4-(+)-(Dimethylamino)-3-methyl-2,2-diphenyl-butyronitrile (Isodidiavalo) >90%. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00443. Format: Neat. | |
| 4-Dimethylaminopyridine | 4-Dimethylaminopyridine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1122-58-3. Pack Sizes: 5G. IUPAC Name: N,N-dimethylpyridin-4-amine. Molecular Formula: C7H10N2. Mole Weight: 122.17. Catalog: APS1122583. SMILES: CN(C)c1ccncc1. Format: Neat. Shipping: Room Temperature. | |
| 4-Epi-14,15-Dehydrated Pimecrolimus | 4-Epi-14,15-Dehydrated Pimecrolimus. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00485. Format: Neat. | |
| 4-Epi Minocycline (>80%, contains unidentified salts) | 4-Epi Minocycline (>80%, contains unidentified salts). Uses: For analytical and research use. Group: Impurity standards. CAS No. 43168-51-0. IUPAC Name: (4R,4aS,5aR,12aS)-4,7-bis(dimethylamino)-3,10,12,12a-tetrahydroxy-1,11-dioxo-4a,5,5a,6-tetrahydro-4H-tetracene-2-carboxamide. Molecular Formula: C23H27N3O7. Mole Weight: 457.48. Catalog: APS43168510. SMILES: CN (C)[C@@H]1[C@@H]2C[C@@H]3Cc4c (ccc (O)c4C (=O)C3=C (O)[C@]2 (O)C (=O)C (=C1O)C (=O)N)N (C)C. Format: Neat. | |
| 4-ethyl-N-(4-(4-phenylquinolin-2-yl)phenyl)-4,5-dihydrothiazol-2-amine | 4-ethyl-N-(4-(4-phenylquinolin-2-yl)phenyl)-4,5-dihydrothiazol-2-amine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1008385-75-8. Molecular Formula: C26H23N3S. Mole Weight: 409.55. Catalog: APB1008385758. | |
| 4-Fluoro-3-nitrobenzotrifluoride | 4-Fluoro-3-nitrobenzotrifluoride. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Fluoro-3-nitrobenzotrifluoride. CAS No. 367-86-2. IUPAC Name: 1-fluoro-2-nitro-4-(trifluoromethyl)benzene. Molecular Formula: C7H3F4NO2. Mole Weight: 209.10. Catalog: APS367862. SMILES: [O-][N+](=O)c1cc(ccc1F)C(F)(F)F. Format: Neat. Shipping: Room Temperature. | |
| 4-hydroxy-2-trifluoromethylpyrimidine | 4-hydroxy-2-trifluoromethylpyrimidine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1546-80-1. Molecular Formula: C5H3F3N2O. Mole Weight: 164.09. Catalog: APB1546801. | |
| 4-Hydroxy-Alpha1-[[[6-(1-methyl-3-phenylpropoxy)hexyl]amino]methyl]-1,3-benzenedimethanol (Salmeterol Impurity) | 4-Hydroxy-Alpha1-[[[6-(1-methyl-3-phenylpropoxy)hexyl]amino]methyl]-1,3-benzenedimethanol (Salmeterol Impurity). Uses: For analytical and research use. Group: Impurity standards. CAS No. 108928-81-0. Pack Sizes: 2.5MG. IUPAC Name: 2-(hydroxymethyl)-4-[1-hydroxy-2-[6-(4-phenylbutan-2-yloxy)hexylamino]ethyl]phenol. Molecular Formula: C25H37NO4. Mole Weight: 415.57. Catalog: APS108928810. SMILES: CC (CCc1ccccc1)OCCCCCCNCC (O)c2ccc (O)c (CO)c2. Format: Neat. Shipping: Room Temperature. | |
| 4-Hydroxy-Alpha1-[[[6-(2-phenylethoxy)hexyl]amino]methyl]-1,3-benzenedimethanol | 4-Hydroxy-Alpha1-[[[6-(2-phenylethoxy)hexyl]amino]methyl]-1,3-benzenedimethanol. Uses: For analytical and research use. Group: Impurity standards. CAS No. 94749-02-7. Pack Sizes: 2.5MG. IUPAC Name: 2-(hydroxymethyl)-4-[1-hydroxy-2-[6-(2-phenylethoxy)hexylamino]ethyl]phenol. Molecular Formula: C23H33NO4. Mole Weight: 387.51. Catalog: APS94749027A. SMILES: OCc1cc(ccc1O)C(O)CNCCCCCCOCCc2ccccc2. Format: Neat. Shipping: Room Temperature. | |
| 4-(hydroxyamino) benzoic acid | 4-(hydroxyamino) benzoic acid. Uses: For analytical and research use. Group: Impurity standards. CAS No. 13252-71-6. Molecular Formula: C7H7NO3. Mole Weight: 153.14. Catalog: APB13252716. | |
| 4-Hydroxybenzoic-1,2,3,4,5,6-13C6 Acid | 4-Hydroxybenzoic-1,2,3,4,5,6-13C6 Acid. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Hydroxybenzene-13C6-carboxylic acid,Benzoic-1,2,3,4,5,6-13C6 acid, 4-hydroxy- (9CI), p-Hydroxybenzoic acid-13C6, 4-Hydroxy-1,2,3,4,5,6-13C6-benzoic acid, p-Salicylic acid-13C6 (phenyl-13C6), 4-Carboxyphenol-13C6, p-Carboxyphenol-13C6. CAS No. 287399-29-5. Pack Sizes: 10MG. IUPAC Name: 4-hydroxy(1,2,3,4,5,6-^{13}C_{6})cyclohexa-1,3,5-triene-1-carboxylic acid. Molecular Formula: 13C6CH6O3. Mole Weight: 144.08. Catalog: APS287399295. SMILES: O[13c]1[13cH][13cH][13c] ([13cH][13cH]1)C (=O)O. Format: Neat. Shipping: Room Temperature. | |
| 4-Hydroxybenzoic Acid-d4 | 4-Hydroxybenzoic Acid-d4. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Benzoic-2,3,5,6-d4 acid, 4-hydroxy-, 4-Hydroxybenzoic Acid-D4 (phenyl-D4), 4-Hydroxybenzene-2,3,5,6-d4-carboxylic acid, p-Hydroxybenzoic-d4 acid, 4-Hydroxybenzoic-2,3,5,6-d4 acid, p-Carboxyphenol-d4, 4-Carboxyphenol-2,3,5,6-d4, 2H4-p-Salicylic acid, 44Hydroxy-2,3,5,6-tetradeuteriobenzoic acid. CAS No. 152404-47-2. Pack Sizes: 10MG. IUPAC Name: 2,3,5,6-tetradeuterio-4-hydroxybenzoic acid. Molecular Formula: C72H4H2O3. Mole Weight: 142.15. Catalog: APS152404472. SMILES: [2H]c1c ([2H])c (C (=O)O)c ([2H])c ([2H])c1O. Format: Neat. Shipping: Room Temperature. | |
| 4-Hydroxybutanesulfonate Sodium Salt (Technical Grade) | 4-Hydroxybutanesulfonate Sodium Salt (Technical Grade). Uses: For analytical and research use. Group: Impurity standards. CAS No. 31465-25-5. Pack Sizes: 500MG. IUPAC Name: sodium;4-hydroxybutane-1-sulfonate. Molecular Formula: C4H9O4S.Na. Mole Weight: 176.17. Catalog: APS31465255. SMILES: [Na+].OCCCCS(=O)(=O)[O-]. Format: Neat. Shipping: Room Temperature. | |
| 4-Hydroxy Methyl Ambrisentan (Ambrisentan Impurity 15) | 4-Hydroxy Methyl Ambrisentan (Ambrisentan Impurity 15). Uses: For analytical and research use. Group: Impurity standards. CAS No. 1106685-66-8. Molecular Formula: C22H22N2O5. Mole Weight: 394.43. Catalog: APB1106685668. | |
| 4-Hydroxymethyl Loratadine Hydrochloride | 4-Hydroxymethyl Loratadine Hydrochloride. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS00494. Format: Neat. | |
| 4-Hydroxy Moxonidine | 4-Hydroxy Moxonidine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 352457-34-2. IUPAC Name: 5-(imidazolidin-2-ylideneamino)-6-methoxy-2-methylpyrimidin-4-ol. Molecular Formula: C9H13N5O2. Mole Weight: 223.23. Catalog: APS352457342. SMILES: COc1nc(C)nc(O)c1N=C2NCCN2. Format: Neat. | |
| 4-Hydroxy Phenylbutazone | 4-Hydroxy Phenylbutazone. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Phenylbutazone Imp. B (EP),4-Butyl-4-hydroxy-1,2-diphenylpyrazolidine-3,5-dione. CAS No. 16860-43-8. IUPAC Name: 4-butyl-4-hydroxy-1,2-diphenylpyrazolidine-3,5-dione. Molecular Formula: C19H20N2O3. Mole Weight: 324.37. Catalog: APS16860438. SMILES: CCCCC1 (O)C (=O)N (N (C1=O)c2ccccc2)c3ccccc3. Format: Neat. | |
| 4-Hydroxypiperidine--d9 | 4-Hydroxypiperidine--d9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1219799-39-9. Molecular Formula: C5H2D9NO. Mole Weight: 110.2. Catalog: APB1219799399. | |
| 4-(isoindolin-2-yl)benzaldehyde | 4-(isoindolin-2-yl)benzaldehyde. Uses: For analytical and research use. Group: Impurity standards. CAS No. 109437-62-9. Molecular Formula: C15H13NO. Mole Weight: 223.28. Catalog: APB109437629. | |
| 4-Methoxy Moxonidine | 4-Methoxy Moxonidine. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Methoxymoxonidine,N-(Imidazolidin-2-ylidene)-4,6-dimethoxy-2-methylpyrimidin-5-amine, Moxonidine Imp. B (EP). CAS No. 75439-01-9. IUPAC Name: N-(4,6-dimethoxy-2-methylpyrimidin-5-yl)imidazolidin-2-imine. Molecular Formula: C10H15N5O2. Mole Weight: 237.26. Catalog: APS75439019. SMILES: COc1nc(C)nc(OC)c1N=C2NCCN2. Format: Neat. | |
| 4-Methoxy Retinoic Acid | 4-Methoxy Retinoic Acid. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (±)-4-Methoxyretinoic acid,4-Methoxyretinoic acid (9CI). CAS No. 81121-20-2. IUPAC Name: (2E,4E,6E,8E)-9-(3-methoxy-2,6,6-trimethylcyclohexen-1-yl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid. Molecular Formula: C21H30O3. Mole Weight: 330.46. Catalog: APS81121202. SMILES: COC1CCC (C) (C)C (=C1C)\C=C\C (=C\C=C\C (=C\C (=O)O)\C)\C. Format: Neat. | |
| 4-Methyl-1-(1-phenylpropan-2-yl)-1H-pyrrole-2-carboxylic Acid | 4-Methyl-1-(1-phenylpropan-2-yl)-1H-pyrrole-2-carboxylic Acid. Uses: For analytical and research use. Group: Impurity standards. Pack Sizes: 10MG. Catalog: APS004759. Format: Neat. Shipping: Room Temperature. | |
| 4-methyl- [2-(2-2-2H-tetrazole-5-group)] biphenyl | 4-methyl- [2-(2-2-2H-tetrazole-5-group)] biphenyl. Uses: For analytical and research use. Group: Impurity standards. CAS No. 133909-97-4. Molecular Formula: C33H26N4. Mole Weight: 478.6. Catalog: APB133909974. | |
| 4-Methylbenzhydrol | 4-Methylbenzhydrol. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1517-63-1. Molecular Formula: C14H14O. Mole Weight: 198.27. Catalog: APB1517631. | |
| 4-Methyl Estradiol | 4-Methyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Methylestra-1,3,5(10)-triene-3,17beta-diol, 4-Methylestradiol, Estradiol Hemihydrate Imp. C (EP). CAS No. 6171-48-8. IUPAC Name: (8R,9S,13S,14S,17S)-4,13-dimethyl-6,7,8,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthrene-3,17-diol. Molecular Formula: C19H26O2. Mole Weight: 286.41. Catalog: APS6171488. SMILES: Cc1c (O)ccc2[C@H]3CC[C@]4 (C)[C@@H] (O)CC[C@H]4[C@@H]3CCc12. Format: Neat. | |
| 4-Methyl Ethynyl Estradiol | 4-Methyl Ethynyl Estradiol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ethinylestradiol Imp K. (EP), 4-Methyl-19-nor-17α-pregna-1,3,5(10)-trien-20-yne-3,17-diol (4-Methyl-ethinylestradiol), 4-Methyl Ethynyl Estradiol,(17α)-4-Methyl-19-norpregna-1,3,5(10)-trien-20-yne-3,17-diol (9CI). CAS No. 155683-61-7. IUPAC Name: (8R,9S,13S,14S,17R)-17-ethynyl-4,13-dimethyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-3,17-diol. Molecular Formula: C21H26O2. Mole Weight: 310.43. Catalog: APS155683617. SMILES: Cc1c (O)ccc2[C@H]3CC[C@@]4 (C)[C@@H] (CC[C@@]4 (O)C#C)[C@@H]3CCc12. Format: Neat. | |
| 4-Methylvaleric Acid (Isocaproic Acid) | 4-Methylvaleric Acid (Isocaproic Acid). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-Methylpentanoic acid, NSC 4126, 4-Methylvaleric acid, Isobutylacetic acid,4-Methylpentanoic acid, Isocaproic acid, Isohexanoic acid, 4,4-Dimethylbutanoic acid, Valeric acid, 4-methyl- (6CI,8CI), Isohexoic acid. CAS No. 646-07-1. IUPAC Name: 4-methylpentanoic acid. Molecular Formula: C6H12O2. Mole Weight: 116.16. Catalog: APS646071A. SMILES: CC(C)CCC(=O)O. Format: Neat. Shipping: Room Temperature. | |
| 4'-O-2,6-Dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl Selamectin | 4'-O-2,6-Dideoxy-3-O-methyl-α-L-arabino-hexopyranosyl Selamectin. Uses: For analytical and research use. Group: Impurity standards. CAS No. 301849-46-7. Pack Sizes: 5MG. Molecular Formula: C50H75NO14. Mole Weight: 914.13. Catalog: APS301849467. SMILES: CO[C@H]1C[C@H] (O[C@H]2[C@H] (C)O[C@H] (C[C@@H]2OC)O[C@H]3[C@@H] (C)\C=C\C=C\4/CO[C@@H]5C (=NO)C (=C[C@@H] (C (=O)O[C@H]6C[C@@H] (C\C=C\3/C)O[C@@]7 (CC[C@H] (C)[C@H] (O7)C8CCCCC8)C6)[C@]45O)C)O[C@@H] (C)[C@@H]1O. Format: Neat. Shipping: +20°C. | |
| 4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] Salmeterol | 4-O-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethyl] Salmeterol. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-[4-[2-Hydroxy-2-[4-hydroxy-3-(hydroxymethyl)phenyl]ethoxy]-3-(hydroxy-methyl)phenyl]-2-[[6-(3-phenylbutoxy)hexyl]-amino]ethanol, Salmeterol Xinafoate Imp. D (EP). CAS No. 1391052-04-2. IUPAC Name: 4-[1-hydroxy-2-[2- (hydroxymethyl) -4-[1-hydroxy-2-[6- (4-phenylbutoxy) hexylamino]ethyl]phenoxy]ethyl]-2- (hydroxymethyl) phenol. Molecular Formula: C34H47NO7. Mole Weight: 581.74. Catalog: APS1391052042. SMILES: OCc1cc (ccc1O)C (O)COc2ccc (cc2CO)C (O)CNCCCCCCOCCCCc3ccccc3. Format: Neat. | |
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