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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.

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Product
Bupropion Impurity 12 Bupropion Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(4-bromophenyl)propan-1-one. CAS No. 10342-83-3. Molecular Formula: C9H9BrO. Mole Weight: 213.07. Catalog: APB10342833. Alfa Chemistry Analytical Products
BupropionImpurity17 BupropionImpurity17. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(2-chlorophenyl)-2-hydroxypropanoic acid. CAS No. 171202-07-6. Molecular Formula: C9H9ClO3. Mole Weight: 200.62. Catalog: APB171202076. Alfa Chemistry Analytical Products
Bupropion Impurity 20 (Hydrochloride) Bupropion Impurity 20 (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(tert-butylamino)-1-(2-chlorophenyl)propan-1-one hydrochloride. CAS No. 1049718-57-1. Molecular Formula: C13H19NO·HCl. Mole Weight: 276.20. Catalog: APB1049718571. Alfa Chemistry Analytical Products
Bupropion Impurity 21 (Hydrochloride) Bupropion Impurity 21 (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(tert-butylamino)-1-(3,5-dichlorophenyl)propan-1-one hydrochloride. CAS No. 1346603-00-6. Molecular Formula: C13H17Cl2NO·HCl. Mole Weight: 310.64. Catalog: APB1346603006. Alfa Chemistry Analytical Products
Bupropion Impurity 45 Bupropion Impurity 45. Uses: For analytical and research use. Group: Impurity standards. CAS No. 153365-82-3. Molecular Formula: C13H20ClNO. Mole Weight: 241.76. Catalog: APB153365823. Alfa Chemistry Analytical Products
Bupropion impurity A HCl Bupropion impurity A HCl. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(tert-butylamino)-1-(4-chlorophenyl)propan-1-one hydrochloride. CAS No. 1049718-72-0. Molecular Formula: C13H18Cl2NO·HCl. Mole Weight: 276.20. Catalog: APB1049718720. Alfa Chemistry Analytical Products
Bupropion Impurity B HCl Bupropion Impurity B HCl. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1049974-35-7(free base); 1-(3-bromophenyl)-2-(tert-butylamino)propan-1-one hydrochloride. CAS No. 1049718-43-5. Molecular Formula: C13H18BrNO·HCl. Mole Weight: 320.65. Catalog: APB1049718435. Alfa Chemistry Analytical Products
Bupropion Indandione Bupropion Indandione. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(3-chlorophenyl)propane-1,2-dione. CAS No. 10557-17-2. Molecular Formula: C9H7ClO2. Mole Weight: 182.60. Catalog: APB10557172. Alfa Chemistry Analytical Products
Bupropion Morpholinol Impurity Bupropion Morpholinol Impurity. Uses: For analytical and research use. Group: Impurity standards. CAS No. 106083-71-0. Molecular Formula: C13H18ClNO2. Mole Weight: 255.74. Catalog: APB106083710. Alfa Chemistry Analytical Products
Bupropion Related Compound B Bupropion Related Compound B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1049974-35-7. Molecular Formula: C13H18BrNO. Mole Weight: 284.2. Catalog: APB1049974357. Alfa Chemistry Analytical Products
Bupropion ThioMorpholine Acid Bupropion ThioMorpholine Acid. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1246812-57-6. Molecular Formula: C12H14ClNO3S. Mole Weight: 287.76. Catalog: APB1246812576. Alfa Chemistry Analytical Products
Bupropion USP Related Compound C Bupropion USP Related Compound C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(3-chlorophenyl)-2-hydroxypropan-1-one. CAS No. 152943-33-4. Molecular Formula: C9H9ClO2. Mole Weight: 184.62. Catalog: APB152943334. Alfa Chemistry Analytical Products
Buserelin EP Impurity A Buserelin EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1872434-99-5. Molecular Formula: C60H86N16O13. Mole Weight: 1239.45. Catalog: APB1872434995. Alfa Chemistry Analytical Products
Buserelin EP Impurity B Buserelin EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1926163-21-4. Molecular Formula: C60H86N16O13. Mole Weight: 1239.45. Catalog: APB1926163214. Alfa Chemistry Analytical Products
Buserelin EP Impurity E Buserelin EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1926163-20-3. Molecular Formula: C60H86N16O13. Mole Weight: 1239.45. Catalog: APB1926163203. Alfa Chemistry Analytical Products
Buspirone EP Impurity J Buspirone EP Impurity J. Uses: For analytical and research use. Group: Impurity standards. Catalog: APS001066. Format: Neat. Alfa Chemistry Analytical Products
Buspirone EP Impurity K Buspirone EP Impurity K. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 8-azaspiro[4.5]decane-7,9-dione. CAS No. 1075-89-4. Molecular Formula: C9H13NO2. Mole Weight: 167.21. Catalog: APB1075894. Alfa Chemistry Analytical Products
Buspirone EP Impurity L Buspirone EP Impurity L. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 8-(4-chlorobutyl)-8-azaspiro[4.5]decane-7,9-dione. CAS No. 21098-11-3. Molecular Formula: C13H20ClNO2. Mole Weight: 257.76. Catalog: APB21098113. Alfa Chemistry Analytical Products
Busulfan Impurity 20 Busulfan Impurity 20. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1003-85-6. Molecular Formula: C5H10O3S. Mole Weight: 150.19. Catalog: APB1003856. Alfa Chemistry Analytical Products
Butacaine N-Oxide Hydrochloride Butacaine N-Oxide Hydrochloride. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Butacaine N-Oxide Hydrochloride. IUPAC Name: N-[3-(4-aminobenzoyl)oxypropyl]-N-butylbutan-1-amine oxide;hydrochloride. Molecular Formula: C18H30N2O3.ClH. Mole Weight: 358.90. Catalog: APS006326. SMILES: Cl.CCCC[N+]([O-])(CCCC)CCCOC(=O)c1ccc(N)cc1. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products
Butalbital Impurity L Butalbital Impurity L. Uses: For analytical and research use. Group: Impurity standards. CAS No. 17048-97-4. Molecular Formula: C12H18N2O3. Mole Weight: 238.29. Catalog: APB17048974. Alfa Chemistry Analytical Products
Butenafine Butenafine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 101828-21-1. Molecular Formula: C23H27N. Mole Weight: 317.48. Catalog: APB101828211. Alfa Chemistry Analytical Products
Butenafine (Hydrochloride) Butenafine (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(4-(tert-butyl)benzyl)-N-methyl-1-(naphthalen-1-yl)methanamine hydrochloride. CAS No. 101827-46-7. Molecular Formula: C23H27N·HCl. Mole Weight: 353.93. Catalog: APB101827467. Alfa Chemistry Analytical Products
Butenafine Impurity 1 Butenafine Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(4-(tert-butyl)benzyl)-1-(4-(tert-butyl)phenyl)-N-methylmethanamine. CAS No. 122152-13-0. Molecular Formula: C23H33N. Mole Weight: 323.51. Catalog: APB122152130. Alfa Chemistry Analytical Products
Butenafine Impurity 10 Butenafine Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(2-(tert-butyl)benzyl)-N-methyl-1-(naphthalen-1-yl)methanamine. CAS No. 124830-38-2. Molecular Formula: C23H27N. Mole Weight: 317.47. Catalog: APB124830382. Alfa Chemistry Analytical Products
Butenafine Impurity 17 (Hydrochloride) Butenafine Impurity 17 (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(4-(tert-butyl)benzyl)-N-methyl-1-(naphthalen-2-yl)methanamine hydrochloride. CAS No. 101827-53-6. Molecular Formula: C23H27N·HCl. Mole Weight: 353.93. Catalog: APB101827536. Alfa Chemistry Analytical Products
Butenafine Impurity 19 Butenafine Impurity 19. Uses: For analytical and research use. Group: Impurity standards. CAS No. 110951-99-0. Molecular Formula: C23H27N. Mole Weight: 317.48. Catalog: APB110951990. Alfa Chemistry Analytical Products
Butenafine Impurity 2 Butenafine Impurity 2. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(tert-butyl)-4-(chloromethyl)benzene. CAS No. 19692-45-6. Molecular Formula: C11H15Cl. Mole Weight: 182.69. Catalog: APB19692456. Alfa Chemistry Analytical Products
Butenafine Impurity 20 Butenafine Impurity 20. Uses: For analytical and research use. Group: Impurity standards. CAS No. 101828-30-2. Molecular Formula: C23H27N. Mole Weight: 317.48. Catalog: APB101828302. Alfa Chemistry Analytical Products
Butenafine Impurity 4 Butenafine Impurity 4. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(tert-butyl)-4-(trichloromethyl)benzene. CAS No. 153357-88-1. Molecular Formula: C11H13Cl3. Mole Weight: 251.58. Catalog: APB153357881. Alfa Chemistry Analytical Products
Butenafine Impurity 6 Butenafine Impurity 6. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-ethoxy-N-methyl-N-(naphthalen-1-ylmethyl)methanamine. CAS No. 110931-65-2. Molecular Formula: C15H19NO. Mole Weight: 229.32. Catalog: APB110931652. Alfa Chemistry Analytical Products
Butenafine Impurity 8 Butenafine Impurity 8. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(4-(tert-butyl)benzyl)-N-methyl-1-naphthamide. CAS No. 101846-86-0. Molecular Formula: C23H25NO. Mole Weight: 331.45. Catalog: APB101846860. Alfa Chemistry Analytical Products
Butenafine Impurity 9 Butenafine Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(2-(tert-butyl)phenyl)-N-methylmethanamine. CAS No. 1526530-79-9. Molecular Formula: C12H19N. Mole Weight: 177.29. Catalog: APB1526530799. Alfa Chemistry Analytical Products
Butylhydroxyanisole Impurity 3-D3 Butylhydroxyanisole Impurity 3-D3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1794892-02-6. Molecular Formula: C11H13D3O2. Mole Weight: 183.23. Catalog: APB1794892026. Alfa Chemistry Analytical Products
Butylhydroxyanisole Impurity 4 Butylhydroxyanisole Impurity 4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1948-33-0. Molecular Formula: C10H14O2. Mole Weight: 166.22. Catalog: APB1948330. Alfa Chemistry Analytical Products
Butylhydroxyanisole Impurity 6 Butylhydroxyanisole Impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 15360-00-6. Molecular Formula: C11H16O2. Mole Weight: 180.25. Catalog: APB15360006. Alfa Chemistry Analytical Products
Butylphthalide Impurity 10 Butylphthalide Impurity 10. Uses: For analytical and research use. Group: Impurity standards. CAS No. 168288-19-5. Molecular Formula: C12H14O3. Mole Weight: 206.24. Catalog: APB168288195. Alfa Chemistry Analytical Products
Butylphthalide Impurity 13 Butylphthalide Impurity 13. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1225206-60-9. Molecular Formula: C8H5BrO3. Mole Weight: 229.03. Catalog: APB1225206609. Alfa Chemistry Analytical Products
Butylphthalide Impurity 15 Butylphthalide Impurity 15. Uses: For analytical and research use. Group: Impurity standards. CAS No. 102126-71-6. Molecular Formula: C8H5BrO3. Mole Weight: 229.03. Catalog: APB102126716. Alfa Chemistry Analytical Products
Butylphthalide Impurity 18 Butylphthalide Impurity 18. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1225206-61-0. Molecular Formula: C8H5BrO3. Mole Weight: 229.03. Catalog: APB1225206610. Alfa Chemistry Analytical Products
Butylphthalide impurity 2 Butylphthalide impurity 2. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-pentylisobenzofuran-1(3H)-one. CAS No. 111943-62-5. Molecular Formula: C13H16O2. Mole Weight: 204.26. Catalog: APB111943625. Alfa Chemistry Analytical Products
Butylphthalide Impurity 20 Butylphthalide Impurity 20. Uses: For analytical and research use. Group: Impurity standards. CAS No. 102126-70-5. Molecular Formula: C8H4Br2O2. Mole Weight: 291.93. Catalog: APB102126705. Alfa Chemistry Analytical Products
Butyphthalide impurity14 Butyphthalide impurity14. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-propylideneisobenzofuran-1(3H)-one. CAS No. 17369-59-4. Molecular Formula: C11H10O. Mole Weight: 174.2. Catalog: APB17369594. Alfa Chemistry Analytical Products
Butyphthalide impurity15 Butyphthalide impurity15. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(butoxycarbonyl)benzoic acid. CAS No. 131-70-4. Molecular Formula: C12H14O4. Mole Weight: 222.24. Catalog: APB131704. Alfa Chemistry Analytical Products
Butyphthalide impurity16 Butyphthalide impurity16. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(3-methylbutanoyl)benzoic acid. CAS No. 152567-80-1. Molecular Formula: C12H14O3. Mole Weight: 206.24. Catalog: APB152567801. Alfa Chemistry Analytical Products
Butyphthalide impurity 19 Butyphthalide impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-(pent-1-en-1-yl)benzoic acid. CAS No. 16692-58-3. Molecular Formula: C12H14O2. Mole Weight: 190.24. Catalog: APB16692583. Alfa Chemistry Analytical Products
Butyphthalide impurity 33 Butyphthalide impurity 33. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: pentanoic acid. CAS No. 109-52-4. Molecular Formula: C5H10O2. Mole Weight: 102.13. Catalog: APB109524. Alfa Chemistry Analytical Products
Butyphthalide impurity5 Butyphthalide impurity5. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-butyrylbenzoic acid. CAS No. 19666-03-6. Molecular Formula: C11H12O3. Mole Weight: 192.21. Catalog: APB19666036. Alfa Chemistry Analytical Products
Butyphthalide Impurity 60 Butyphthalide Impurity 60. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3,3-dibutylisobenzofuran-1(3H)-one. CAS No. 172687-90-0. Molecular Formula: C16H22O2. Mole Weight: 246.34. Catalog: APB172687900. Alfa Chemistry Analytical Products
Butyphthalide impurity8 Butyphthalide impurity8. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-ethylisobenzofuran-1(3H)-one. CAS No. 17475-41-1. Molecular Formula: C10H10O2. Mole Weight: 162.19. Catalog: APB17475411. Alfa Chemistry Analytical Products
Butyrolactone I - CAS 87414-49-1 Fluorescence/Luminescence Spectroscopy. Uses: For analytical and research use. Group: Reagents. CAS No. 87414-49-1. Pack Sizes: 200UG. Alfa Chemistry Analytical Products
Cabazitaxel Impurity 1 Cabazitaxel Impurity 1. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1714967-27-7. Molecular Formula: C45H57NO14. Mole Weight: 835.94. Catalog: APB1714967277. Alfa Chemistry Analytical Products
Cabazitaxel Impurity 14 Cabazitaxel Impurity 14. Uses: For analytical and research use. Group: Impurity standards. CAS No. 158830-39-8. Molecular Formula: C15H21NO5. Mole Weight: 295.34. Catalog: APB158830398. Alfa Chemistry Analytical Products
Cabazitaxel Impurity 15 Cabazitaxel Impurity 15. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1584118-06-8. Molecular Formula: C32H42O10. Mole Weight: 586.68. Catalog: APB1584118068. Alfa Chemistry Analytical Products
Cabazitaxel Impurity 2 Cabazitaxel Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1426815-65-7. Molecular Formula: C48H63NO15. Mole Weight: 894.02. Catalog: APB1426815657. Alfa Chemistry Analytical Products
Cabazitaxel Impurity 6 Cabazitaxel Impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 171926-87-7. Molecular Formula: C27H38O10. Mole Weight: 522.59. Catalog: APB171926877. Alfa Chemistry Analytical Products
Cabazitaxel Impurity 8 Cabazitaxel Impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 173101-50-3. Molecular Formula: C43H51NO14. Mole Weight: 805.87. Catalog: APB173101503. Alfa Chemistry Analytical Products
Cabazitaxel Impurity 9 Cabazitaxel Impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 153415-46-4. Molecular Formula: C44H53NO14. Mole Weight: 819.9. Catalog: APB153415464. Alfa Chemistry Analytical Products
Cabergoline EP Impurity B Cabergoline EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6aR,9R,10aR)-7-allyl-N9-(3-(dimethylamino)propyl)-N4-ethyl-6a,7,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-4,9(6H)-dicarboxamide. CAS No. 166533-36-4. Molecular Formula: C26H37N5O2. Mole Weight: 451.6. Catalog: APB166533364. Alfa Chemistry Analytical Products
Cabergoline EP Impurity C Cabergoline EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (6aR,9R,10aR)-7-allyl-N9-(3-(dimethylamino)propyl)-N4-ethyl-N9-(ethylcarbamoyl)-6a,7,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-4,9(6H)-dicarboxamide. CAS No. 126554-50-5. Molecular Formula: C29H42N6O3. Mole Weight: 522.68. Catalog: APB126554505. Alfa Chemistry Analytical Products
Cabergoline Impurity 12 Cabergoline Impurity 12. Uses: For analytical and research use. Group: Impurity standards. CAS No. 153415-36-2. Molecular Formula: C23H33N5O2. Mole Weight: 411.55. Catalog: APB153415362. Alfa Chemistry Analytical Products
Cabergoline Impurity 13 Cabergoline Impurity 13. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1075250-72-4. Molecular Formula: C22H32N2OSi. Mole Weight: 368.6. Catalog: APB1075250724. Alfa Chemistry Analytical Products
Cabergoline Impurity 15 Cabergoline Impurity 15. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1075250-74-6. Molecular Formula: C21H32N2OSi. Mole Weight: 356.58. Catalog: APB1075250746. Alfa Chemistry Analytical Products
Cabergoline Impurity 18 Cabergoline Impurity 18. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1075250-76-8. Molecular Formula: C25H32N2O6. Mole Weight: 456.54. Catalog: APB1075250768. Alfa Chemistry Analytical Products
Cabergoline Impurity 19 Cabergoline Impurity 19. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1075250-77-9. Molecular Formula: C16H19ClN2O2. Mole Weight: 306.79. Catalog: APB1075250779. Alfa Chemistry Analytical Products
Cabergoline Impurity 20 Cabergoline Impurity 20. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1075250-75-7. Molecular Formula: C25H34N2O5. Mole Weight: 442.56. Catalog: APB1075250757. Alfa Chemistry Analytical Products
Cabotegravir Cabotegravir. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3S,11aR)-N-(2,4-difluorobenzyl)-6-hydroxy-3-methyl-5,7-dioxo-2,3,5,7,11,11a-hexahydrooxazolo[3,2-a]pyrido[1,2-d]pyrazine-8-carboxamide. CAS No. 1051375-10-0. Molecular Formula: C19H17F2N3O5. Mole Weight: 405.11. Catalog: APB1051375100. Alfa Chemistry Analytical Products
Cabotegravir Impurity 19 Cabotegravir Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: bis(2,4-difluorobenzyl)amine. CAS No. 1284487-51-9. Molecular Formula: C14H11F4N. Mole Weight: 269.08. Catalog: APB1284487519. Alfa Chemistry Analytical Products
Cabotegravir Impurity 9 Cabotegravir Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-methoxy-6-(methoxycarbonyl)-4-oxo-1-(2-oxoethyl)-1,4-dihydropyridine-3-carboxylic acid. CAS No. 1335210-31-5. Molecular Formula: C11H11NO7. Mole Weight: 269.05. Catalog: APB1335210315. Alfa Chemistry Analytical Products
Cabozantinib impurity 30 Cabozantinib impurity 30. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6,7-dimethoxy-4-(4-nitrophenoxy)quinoline. CAS No. 190728-24-6. Molecular Formula: C17H14N2O5. Mole Weight: 326.3. Catalog: APB190728246. Alfa Chemistry Analytical Products

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