Alfa Chemistry Analytical Products 2 - 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
Erlotinib Impurity 24 Erlotinib Impurity 24. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ethyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate hydrochloride. CAS No. 183322-17-0. Molecular Formula: C15H24ClNO6. Mole Weight: 349.13. Catalog: APB183322170. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 25 Erlotinib Impurity 25. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ethyl 4,5-bis(2-methoxyethoxy)-2-nitrobenzoate. CAS No. 179688-26-7. Molecular Formula: C15H21NO8. Mole Weight: 343.13. Catalog: APB179688267. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 27 Erlotinib Impurity 27. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-chloro-6,7-bis(2-methoxyethoxy)quinazoline. CAS No. 183322-18-1. Molecular Formula: C14H17ClN2O4. Mole Weight: 312.09. Catalog: APB183322181. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 28 Erlotinib Impurity 28. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-chloro-7-(2-chloroethoxy)-6-(2-methoxyethoxy)quinazoline. CAS No. 183322-20-5. Molecular Formula: C13H14Cl2N2O3. Mole Weight: 316.04. Catalog: APB183322205. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 30 Erlotinib Impurity 30. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: ethyl 3,4-bis(2-methoxyethoxy)benzoate. CAS No. 183322-16-9. Molecular Formula: C15H22O6. Mole Weight: 298.33. Catalog: APB183322169. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 33 Erlotinib Impurity 33. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-ethynyl-3-nitrobenzene. CAS No. 3034-94-4. Molecular Formula: C8H5NO2. Mole Weight: 147.13. Catalog: APB3034944. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 35 Erlotinib Impurity 35. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-ethylaniline. CAS No. 587-02-0. Molecular Formula: C8H11N. Mole Weight: 121.18. Catalog: APB587020. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 39 Erlotinib Impurity 39. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-chloro-6-(2-chloroethoxy)-7-(2-methoxyethoxy)quinazoline. CAS No. 183322-19-2. Molecular Formula: C13H14Cl2N2O3. Mole Weight: 317.17. Catalog: APB183322192. Alfa Chemistry Analytical Products 2
Erlotinib impurity 4 Erlotinib impurity 4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 183320-19-6. Molecular Formula: C21H21Cl2N3O3. Mole Weight: 434.32. Catalog: APB183320196. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 5 Erlotinib Impurity 5. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-((4-((3-ethynylphenyl)amino)-7-(2-methoxyethoxy)quinazolin-6-yl)oxy)ethyl acetate. CAS No. 183320-15-2. Molecular Formula: C23H23N3O5. Mole Weight: 421.16. Catalog: APB183320152. Alfa Chemistry Analytical Products 2
Erlotinib impurity 6 Erlotinib impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 183320-51-6. Molecular Formula: C21H22ClN3O4. Mole Weight: 415.87. Catalog: APB183320516. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 6 Erlotinib Impurity 6. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2,2'-((4-((3-ethynylphenyl)amino)quinazoline-6,7-diyl)bis(oxy))diethanol hydrochloride. CAS No. 183320-12-9. Molecular Formula: C20H20ClN3O4. Mole Weight: 401.11. Catalog: APB183320129. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 62 Erlotinib Impurity 62. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3,4-bis(2-methoxyethoxy)-5-nitrobenzonitrile. CAS No. 180031-38-3. Molecular Formula: C13H16N2O6. Mole Weight: 296.28. Catalog: APB180031383. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 67 Erlotinib Impurity 67. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 7-(2-chloroethoxy)-N-(3-ethynylphenyl)-6-(2-methoxyethoxy)quinazolin-4-amine. CAS No. 183321-85-9. Molecular Formula: C21H20ClN3O3. Mole Weight: 397.85. Catalog: APB183321859. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 68 Erlotinib Impurity 68. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6,7-bis(2-chloroethoxy)-N-(3-ethynylphenyl)quinazolin-4-amine. CAS No. 183321-82-6. Molecular Formula: C20H17Cl2N3O2. Mole Weight: 402.27. Catalog: APB183321826. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 7 Erlotinib Impurity 7. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 6,7-bis(2-methoxyethoxy)-N-(3-vinylphenyl)quinazolin-4-amine hydrochloride. CAS No. 1624294-38-7. Molecular Formula: C22H26ClN3O4. Mole Weight: 431.16. Catalog: APB1624294387. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 70 Erlotinib Impurity 70. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-amino-4,5-bis(2-methoxyethoxy)benzaldehyde. CAS No. 1494468-76-6. Molecular Formula: C13H19NO5. Mole Weight: 269.29. Catalog: APB1494468766. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 71 Erlotinib Impurity 71. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(6,7-bis(2-methoxyethoxy)quinazolin-4-yl)-N-(3-ethynylphenyl)acetamide. CAS No. 2055840-54-3. Molecular Formula: C24H25N3O5. Mole Weight: 435.47. Catalog: APB2055840543. Alfa Chemistry Analytical Products 2
Erlotinib Impurity 9 Erlotinib Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-((4-((3-ethynylphenyl)amino)-7-(2-methoxyethoxy)quinazolin-6-yl)oxy)ethanol. CAS No. 183321-86-0. Molecular Formula: C21H21N3O4. Mole Weight: 379.15. Catalog: APB183321860. Alfa Chemistry Analytical Products 2
Erlotinib O-Desmethyl Metabolite Isomer (M13) Erlotinib O-Desmethyl Metabolite Isomer (M13). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-((4-((3-ethynylphenyl)amino)-6-(2-methoxyethoxy)quinazolin-7-yl)oxy)ethanol. CAS No. 183320-29-8. Molecular Formula: C21H21N3O4. Mole Weight: 379.41. Catalog: APB183320298. Alfa Chemistry Analytical Products 2
Ertapenem Impurity 19 Ertapenem Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-((2S,4S)-4-hydroxypyrrolidine-2-carboxamido)benzoic acid. CAS No. 266337-30-8. Molecular Formula: C12H14N2O4. Mole Weight: 250.25. Catalog: APB266337308. Alfa Chemistry Analytical Products 2
Ertapenem Impurity 19 (Hydrochloride) Ertapenem Impurity 19 (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-((2S,4S)-4-hydroxypyrrolidine-2-carboxamido)benzoic acid hydrochloride. CAS No. 444057-62-9. Molecular Formula: C12H14N2O4·HCl. Mole Weight: 286.71. Catalog: APB444057629. Alfa Chemistry Analytical Products 2
Ertapenem Impurity 21 (Hydrochloride) Ertapenem Impurity 21 (Hydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-((2S,4R)-4-hydroxypyrrolidine-2-carboxamido)benzoic acid hydrochloride. CAS No. 444057-65-2. Molecular Formula: C12H14N2O4·HCl. Mole Weight: 286.71. Catalog: APB444057652. Alfa Chemistry Analytical Products 2
Ertapenem Impurity 28 (Dihydrochloride) Ertapenem Impurity 28 (Dihydrochloride). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3,3'-(((2S,2'S,4S,4'S)-4,4'-disulfanediylbis(pyrrolidine-2,2'-carbonyl))bis(azanediyl))dibenzoic acid dihydrochloride. CAS No. 444057-64-1. Molecular Formula: C24H26N4O6S2·2HCl. Mole Weight: 603.54. Catalog: APB444057641. Alfa Chemistry Analytical Products 2
Ertapenem Impurity 31 Ertapenem Impurity 31. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (4R,5S)-5-((1S,2R)-1-carboxy-2-hydroxypropyl)-3-(((3S,5S)-5-((3-carboxyphenyl)carbamoyl)pyrrolidin-3-yl)thio)-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylic acid. CAS No. 357154-27-9. Molecular Formula: C22H27N3O8S. Mole Weight: 493.53. Catalog: APB357154279. Alfa Chemistry Analytical Products 2
Ertapenem Impurity 32 Ertapenem Impurity 32. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-((2R,4R)-4-mercaptopyrrolidine-2-carboxamido)benzoic acid hydrochloride. CAS No. 503607-49-6. Molecular Formula: C12H14N2O3S·HCl. Mole Weight: 302.77. Catalog: APB503607496. Alfa Chemistry Analytical Products 2
Ertapenem Impurity 34 Ertapenem Impurity 34. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (4R, 5S, 6S) -3- ( ( (3S, 5S) -5- ( (3- (ethoxycarbonyl) phenyl) carbamoyl) pyrrolidin-3-yl) thio) -6- ( (R) -1-hydroxyethyl) -4-methyl-7-oxo-1-azabicyclo[3. 2. 0]hept-2-ene-2-carboxylic acid. CAS No. 1633046-82-8. Molecular Formula: C24H29N3O7S. Mole Weight: 503.57. Catalog: APB1633046828. Alfa Chemistry Analytical Products 2
Ertapenem Methyl Ester Sodium Salt Ertapenem Methyl Ester Sodium Salt. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Ertapenem Methyl Ester Sodium Salt. CAS No. 1632985-10-4. Molecular Formula: C29H36N5Na3O11. Mole Weight: 699.59. Catalog: APB1632985104. Alfa Chemistry Analytical Products 2
Ertugliflozin Impuity 4 Ertugliflozin Impuity 4. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,3S,4S,5R,6R)-6-(((1S,2S,3S,4R,5S)-5-(4-chloro-3-(4-ethoxybenzyl)phenyl)-2,4-dihydroxy-1-(hydroxymethyl)-6,8-dioxabicyclo[3.2.1]octan-3-yl)oxy)-3,4,5-trihydroxytetrahydro-2H-pyran-2-carboxylic acid. CAS No. 1500090-85-6. Molecular Formula: C28H33ClO13. Mole Weight: 613.01. Catalog: APB1500090856. Alfa Chemistry Analytical Products 2
Erythromycin EP Impurity A Erythromycin EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (3R,4S,5S,6R,7R,9R,11R,12R,13S,14R)-6-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-14-ethyl-7,12,13-trihydroxy-4-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-3-(hydroxymethyl)-5,7,9,11. CAS No. 82230-93-1. Molecular Formula: C37H67NO14. Mole Weight: 749.93. Catalog: APB82230931. Alfa Chemistry Analytical Products 2
Erythromycin EP Impurity D Erythromycin EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (1S, 2R, 3R, 4R, 5R, 8R, 9S, 10S, 11R, 12R, 14R)-11-(((2S, 4S, 6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5-ethyl-3-hydroxy-9-(((2R, 4R, 5S, 6S)-5-hydroxy-4-methoxy-4, 6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2, 4, 8, 10, 12, 14-hexamethyl-6, 15, 16-tr. CAS No. 23893-13-2. Molecular Formula: C37H65NO12. Mole Weight: 715.91. Catalog: APB23893132. Alfa Chemistry Analytical Products 2
Erythromycin EP Impurity I Erythromycin EP Impurity I. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,6R,7S,8S,9R,10S,12R)-3-((2R)-2,3-dihydroxypentan-2-yl)-9-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-1-hydroxy-7-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-2,6,8,10,12-pentamethy. CAS No. 546-57-6. Molecular Formula: C37H67NO13. Mole Weight: 733.93. Catalog: APB546576. Alfa Chemistry Analytical Products 2
Erythromycin impurities 10 Erythromycin impurities 10. Uses: For analytical and research use. Group: Impurity standards. CAS No. 58781-38-7. Molecular Formula: C38H63NO13. Mole Weight: 741.92. Catalog: APB58781387. Alfa Chemistry Analytical Products 2
Erythromycin impurities 12 Erythromycin impurities 12. Uses: For analytical and research use. Group: Impurity standards. CAS No. 145259-55-8. Molecular Formula: C37H68N2O13. Mole Weight: 748.95. Catalog: APB145259558. Alfa Chemistry Analytical Products 2
Erythromycin impurities 9 Erythromycin impurities 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 55224-05-0. Molecular Formula: C38H65NO14. Mole Weight: 759.93. Catalog: APB55224050. Alfa Chemistry Analytical Products 2
Erythrosin B sodium salt Erythrosin B sodium salt. Uses: For analytical and research use. Group: Impurity standards. CAS No. 568-63-8. Molecular Formula: C20H6I4Na2O5. Mole Weight: 879.86. Catalog: APB568638. Alfa Chemistry Analytical Products 2
Esaconazole impurity 31 Esaconazole impurity 31. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2734004-61-4. Molecular Formula: C8H8N2O2. Mole Weight: 164.16. Catalog: APB2734004614. Alfa Chemistry Analytical Products 2
Escitalopram EP Impurity F Escitalopram EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2102609-59-4. Molecular Formula: C14H18N2O2. Mole Weight: 246.31. Catalog: APB2102609594. Alfa Chemistry Analytical Products 2
Escitalopram EP Impurity H (Pramipexole Impurity H) Escitalopram EP Impurity H (Pramipexole Impurity H). Uses: For analytical and research use. Group: Impurity standards. CAS No. 63284-72-0. Molecular Formula: C20H21FN2O2. Mole Weight: 340.4. Catalog: APB63284720. Alfa Chemistry Analytical Products 2
Escitalopram Impurity 35 Escitalopram Impurity 35. Uses: For analytical and research use. Group: Impurity standards. CAS No. 64169-67-1. Molecular Formula: C15H10FNO. Mole Weight: 239.25. Catalog: APB64169671. Alfa Chemistry Analytical Products 2
Escitalopram Impurity 40 Escitalopram Impurity 40. Uses: For analytical and research use. Group: Impurity standards. CAS No. 390817-87-5. Molecular Formula: C19H22FNO. Mole Weight: 299.39. Catalog: APB390817875. Alfa Chemistry Analytical Products 2
Escitalopram Impurity Y Escitalopram Impurity Y. Uses: For analytical and research use. Group: Impurity standards. CAS No. 717133-25-0. Molecular Formula: C20H24ClFN2O2. Mole Weight: 378.87. Catalog: APB717133250. Alfa Chemistry Analytical Products 2
Escitalopram oxalate impurity 14 Escitalopram oxalate impurity 14. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(4-chlorophenyl)-1-(3-(methylamino)propyl)-1,3-dihydroisobenzofuran-5-carbonitrile oxalate. CAS No. 64372-53-8. Molecular Formula: C19H19ClN2O·C2H2O4. Mole Weight: 416.85. Catalog: APB64372538. Alfa Chemistry Analytical Products 2
Escitalopram oxalate impurity 5 Escitalopram oxalate impurity 5. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1-(3-(dimethylamino)propyl)-1-(4-fluorophenyl)-1,3-dihydroisobenzofuran-5-carboxylic acid. CAS No. 440121-09-5. Molecular Formula: C20H22FNO3. Mole Weight: 343.39. Catalog: APB440121095. Alfa Chemistry Analytical Products 2
Esmolol Impurity 10 Esmolol Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-(4-hydroxyphenyl)propanoic acid. CAS No. 501-97-3. Molecular Formula: C9H10O3. Mole Weight: 166.17. Catalog: APB501973. Alfa Chemistry Analytical Products 2
Esmolol Impurity 11 Esmolol Impurity 11. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: methyl 3-(4-hydroxyphenyl)propanoate. CAS No. 5597-50-2. Molecular Formula: C10H12O3. Mole Weight: 180.20. Catalog: APB5597502. Alfa Chemistry Analytical Products 2
Esmolol Impurity 18 Esmolol Impurity 18. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-(4-(oxiran-2-ylmethoxy)phenyl)propanoic acid. CAS No. 2167848-51-1. Molecular Formula: C12H14O4. Mole Weight: 222.24. Catalog: APB2167848511. Alfa Chemistry Analytical Products 2
Esmolol Impurity 20 Esmolol Impurity 20. Uses: For analytical and research use. Group: Impurity standards. CAS No. 23838-70-2. Molecular Formula: C9H11NO2. Mole Weight: 165.19. Catalog: APB23838702. Alfa Chemistry Analytical Products 2
Esmolol Impurity 26 Esmolol Impurity 26. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-vinylphenol. CAS No. 2628-17-3. Molecular Formula: C8H8O. Mole Weight: 120.15. Catalog: APB2628173. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity 27 Esomeprazole Impurity 27. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1820041-19-7. Molecular Formula: C18H21N3O3S. Mole Weight: 359.44. Catalog: APB1820041197. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity 30 Esomeprazole Impurity 30. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3,4-dihydropyridin-2(1H)-one. CAS No. 57147-25-8. Molecular Formula: C5H7NO. Mole Weight: 97.12. Catalog: APB57147258. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity 33 Esomeprazole Impurity 33. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (S)-2-(((4-methoxy-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazol-6-ol. CAS No. 358675-51-1. Molecular Formula: C16H17N3O3S. Mole Weight: 331.39. Catalog: APB358675511. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity 36 Esomeprazole Impurity 36. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-methoxy-1H-benzo[d]imidazol-2-ol. CAS No. 2080-75-3. Molecular Formula: C8H8N2O2. Mole Weight: 164.16. Catalog: APB2080753. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity A Esomeprazole Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-Mercapto-5-MethoxybenziMidazole. CAS No. 37052-78-1. Molecular Formula: C8H8N2OS. Mole Weight: 180.23. Catalog: APB37052781. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity H215/01 Esomeprazole Impurity H215/01. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: sodium 2-(((3,5-dimethyl-4-oxidopyridin-2-yl)methyl)sulfinyl)-5-methoxybenzo[d]imidazol-1-ide. CAS No. 1803449-15-1. Molecular Formula: C16H15N3Na2O3S. Mole Weight: 375.35. Catalog: APB1803449151. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity H215/02 Esomeprazole Impurity H215/02. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2,2'-(disulfanediylbis(methylene))bis(1-(5-methoxy-1H-benzo[d]imidazol-2-yl)-3,5-dimethylpyridin-4(1H)-one). CAS No. 1803449-02-6. Molecular Formula: C32H32N6O4S2. Mole Weight: 628.76. Catalog: APB1803449026. Alfa Chemistry Analytical Products 2
Esomeprazole Impurity H431 Esomeprazole Impurity H431. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 1,4-Dihydro-1-(5-methoxy-1H-benzimidazol-2-yl)-3,5-dimethyl-4-oxo-2-pyridinecarboxylic Acid Ammonium Salt. CAS No. 2227107-89-1. Molecular Formula: C16H18N4O4. Mole Weight: 330.34. Catalog: APB2227107891. Alfa Chemistry Analytical Products 2
Estradiol 3-Enanthate Estradiol 3-Enanthate. Uses: For analytical and research use. Group: Impurity standards. CAS No. 55540-97-1. Molecular Formula: C25H36O3. Mole Weight: 384.56. Catalog: APB55540971. Alfa Chemistry Analytical Products 2
Estradiol EP Impurity B Estradiol EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 57-91-0. Molecular Formula: C18H24O2. Mole Weight: 272.39. Catalog: APB57910. Alfa Chemistry Analytical Products 2
Estradiol Impurity 22 Estradiol Impurity 22. Uses: For analytical and research use. Group: Impurity standards. CAS No. 3583-3-7. Molecular Formula: C18H24O3. Mole Weight: 288.39. Catalog: APB3583037. Alfa Chemistry Analytical Products 2
Estradiol Impurity 23 Estradiol Impurity 23. Uses: For analytical and research use. Group: Impurity standards. CAS No. 571-92-6. Molecular Formula: C18H22O3. Mole Weight: 286.37. Catalog: APB571926. Alfa Chemistry Analytical Products 2
Estradiol Impurity 5 Estradiol Impurity 5. Uses: For analytical and research use. Group: Impurity standards. CAS No. 345317-41-1. Molecular Formula: C21H30O2. Mole Weight: 314.47. Catalog: APB345317411. Alfa Chemistry Analytical Products 2
Estradiol valerate EP impurity B Estradiol valerate EP impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 21881-45-8. Molecular Formula: C23H32O3. Mole Weight: 356.51. Catalog: APB21881458. Alfa Chemistry Analytical Products 2
Estradiol valerate EP impurity E Estradiol valerate EP impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 63042-28-4. Molecular Formula: C28H40O4. Mole Weight: 440.62. Catalog: APB63042284. Alfa Chemistry Analytical Products 2
Estradiol valerate EP impurity F Estradiol valerate EP impurity F. Uses: For analytical and research use. Group: Impurity standards. CAS No. 18069-79-9. Molecular Formula: C22H30O3. Mole Weight: 342.48. Catalog: APB18069799. Alfa Chemistry Analytical Products 2
Estradiol valerate EP impurity G Estradiol valerate EP impurity G. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1313382-25-0. Molecular Formula: C23H30O3. Mole Weight: 354.49. Catalog: APB1313382250. Alfa Chemistry Analytical Products 2
Estradiol valerate impurity 8 Estradiol valerate impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1313382-26-1. Molecular Formula: C23H32O4. Mole Weight: 372.51. Catalog: APB1313382261. Alfa Chemistry Analytical Products 2
Estradiol valerate impurity 9 Estradiol valerate impurity 9. Uses: For analytical and research use. Group: Impurity standards. CAS No. 1313382-51-2. Molecular Formula: C23H30O4. Mole Weight: 370.49. Catalog: APB1313382512. Alfa Chemistry Analytical Products 2
Estradiol valerate isomers (Estradiol valerate impurity 7) Estradiol valerate isomers (Estradiol valerate impurity 7). Uses: For analytical and research use. Group: Impurity standards. CAS No. 182624-54-0. Molecular Formula: C23H32O3. Mole Weight: 356.51. Catalog: APB182624540. Alfa Chemistry Analytical Products 2
Estriol EP Impurity A Estriol EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. CAS No. 246021-20-5. Molecular Formula: C18H22O3. Mole Weight: 286.37. Catalog: APB246021205. Alfa Chemistry Analytical Products 2

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