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Product
Acetamidine Impurity 16 Acetamidine Impurity 16. Uses: For analytical and research use. Group: Impurity standards. CAS No. 51451-47-9. Molecular Formula: C7H9N3. Mole Weight: 135.17. Catalog: APB51451479. Alfa Chemistry Analytical Products 3
Acetamidine Impurity 2 Acetamidine Impurity 2. Uses: For analytical and research use. Group: Impurity standards. CAS No. 69816-37-1. Molecular Formula: C2H9Br2N3. Mole Weight: 234.92. Catalog: APB69816371. Alfa Chemistry Analytical Products 3
Acetamidine Impurity 6 Acetamidine Impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 333748-88-2. Molecular Formula: C8H8Cl2N2O. Mole Weight: 219.07. Catalog: APB333748882. Alfa Chemistry Analytical Products 3
Acetamidine Impurity 7 Acetamidine Impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 59104-21-1. Molecular Formula: C8H9BrN2. Mole Weight: 213.08. Catalog: APB59104211. Alfa Chemistry Analytical Products 3
Acetaminophen impurity 2 Acetaminophen impurity 2. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C14H16NNaO8. Mole Weight: 349.27. Catalog: APB10814. Alfa Chemistry Analytical Products 3
Acetaminophen impurity 5 Acetaminophen impurity 5. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C14H17NO8. Mole Weight: 327.29. Catalog: APB10815. Alfa Chemistry Analytical Products 3
Acetaminophen impurity 6 Acetaminophen impurity 6. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C12H14O8. Mole Weight: 286.24. Catalog: APB10816. Alfa Chemistry Analytical Products 3
Acetamiprid impurities6 Acetamiprid impurities6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 73781-91-6. Molecular Formula: C7H6ClNO2. Mole Weight: 171.58. Catalog: APB73781916. Alfa Chemistry Analytical Products 3
Acetazolamide EP Impurity A Acetazolamide EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(5-chloro-1,3,4-thiadiazol-2-yl)acetamide. CAS No. 60320-32-3. Molecular Formula: C4H4ClN3OS. Mole Weight: 177.61. Catalog: APB60320323. Alfa Chemistry Analytical Products 3
Acetazolamide EP Impurity B Acetazolamide EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(1,3,4-thiadiazol-2-yl)acetamide. CAS No. 5393-55-5. Molecular Formula: C4H5N3OS. Mole Weight: 143.17. Catalog: APB5393555. Alfa Chemistry Analytical Products 3
Acetazolamide EP Impurity C Acetazolamide EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N-(5-mercapto-1,3,4-thiadiazol-2-yl)acetamide. CAS No. 32873-56-6. Molecular Formula: C4H5N3OS2. Mole Weight: 175.23. Catalog: APB32873566. Alfa Chemistry Analytical Products 3
Acetazolamide EP Impurity E Acetazolamide EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-acetamido-1,3,4-thiadiazole-2-sulfonic acid. CAS No. 827026-60-8. Molecular Formula: C4H5N3O4S2. Mole Weight: 223.23. Catalog: APB827026608. Alfa Chemistry Analytical Products 3
Acetazolamide EP Impurity F Acetazolamide EP Impurity F. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: N, N'-(5, 5'-((hydrosulfonylamino)sulfonyl)bis(1, 3, 4-thiadiazole-5, 2-diyl))diacetamide. CAS No. 80495-47-2. Molecular Formula: C8H9N7O6S4. Mole Weight: 427.46. Catalog: APB80495472. Alfa Chemistry Analytical Products 3
Acetazolamide Impurity 10 Acetazolamide Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-amino-1,3,4-thiadiazole-2-sulfonic acid. Molecular Formula: C2H3N3O3S2. Mole Weight: 181.19. Catalog: APB03271. Alfa Chemistry Analytical Products 3
Acetazolamide Impurity 12 Acetazolamide Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-N-(5-(benzylthio)-3-methyl-1,3,4-thiadiazol-2(3H)-ylidene)acetamide. CAS No. 95046-30-3. Molecular Formula: C12H13N3OS2. Mole Weight: 279.38. Catalog: APB95046303. Alfa Chemistry Analytical Products 3
Acetovanillone impurity 1 Acetovanillone impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C12H17NO3. Mole Weight: 223.27. Catalog: APB11511. Alfa Chemistry Analytical Products 3
Acetylcholine Acetylcholine. Uses: For analytical and research use. Group: Impurity standards. CAS No. 51-84-3. Molecular Formula: C7H16NO2+. Mole Weight: 146.21. Catalog: APB51843. Alfa Chemistry Analytical Products 3
Acetylcysteine EP Impurity B Acetylcysteine EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-amino-3-mercaptopropanoic acid. CAS No. 52-90-4. Molecular Formula: C3H7NO2S. Mole Weight: 121.16. Catalog: APB52904. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 1 Acetylcysteine Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,2'R)-3,3'-thiobis(2-acetamidopropanoic acid). Molecular Formula: C10H16N2O6S. Mole Weight: 292.31. Catalog: APB02823. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 10 Acetylcysteine Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-acetamido-3-disulfanylpropanoic acid. Molecular Formula: C5H9NO3S2. Mole Weight: 195.26. Catalog: APB02816. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 11 Acetylcysteine Impurity 11. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R) -2-acetamido-3- ( (2- ( (carboxymethyl) amino) acetyl) thio) propanoic acid. Molecular Formula: C9H14N2O6S. Mole Weight: 278.28. Catalog: APB02817. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 12 Acetylcysteine Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-3-(acetylthio)-2-(N-ethylacetamido)propanoic acid. Molecular Formula: C9H15NO4S. Mole Weight: 233.28. Catalog: APB02818. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 17 Acetylcysteine Impurity 17. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C7H11NO6S. Mole Weight: 237.23. Catalog: APB06399. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 18 Acetylcysteine Impurity 18. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C5H8N2O4S. Mole Weight: 192.19. Catalog: APB06400. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 2 Acetylcysteine Impurity 2. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,2'R)-3,3'-thiobis(2-aminopropanoic acid). Molecular Formula: C6H12N2O4S. Mole Weight: 208.24. Catalog: APB02822. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 24 Acetylcysteine Impurity 24. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C10H16N2O6S. Mole Weight: 292.31. Catalog: APB06401. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 4 Acetylcysteine Impurity 4. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-acetamido-3-sulfopropanoic acid. CAS No. 79560-92-2. Molecular Formula: C5H9NO6S. Mole Weight: 211.19. Catalog: APB79560922. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 5 Acetylcysteine Impurity 5. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-methyl-4,5-dihydrothiazole-4-carboxylic acid. Molecular Formula: C5H7NO2S. Mole Weight: 145.18. Catalog: APB02821. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 6 Acetylcysteine Impurity 6. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: sodium (R)-2-methyl-4,5-dihydrothiazole-4-carboxylate. Molecular Formula: C5H6NNaO2S. Mole Weight: 167.16. Catalog: APB02820. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 7 Acetylcysteine Impurity 7. Uses: For analytical and research use. Group: Impurity standards. CAS No. 74401-71-1. Molecular Formula: C7H11NO4S. Mole Weight: 205.23. Catalog: APB74401711. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity8 Acetylcysteine Impurity8. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C5H7NNa2O5S. Mole Weight: 239.15. Catalog: APB06398. Alfa Chemistry Analytical Products 3
Acetylcysteine Impurity 9 Acetylcysteine Impurity 9. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-4-(mercaptomethyl)-2-methyloxazol-5(4H)-one. Molecular Formula: C5H7NO2S. Mole Weight: 145.18. Catalog: APB02819. Alfa Chemistry Analytical Products 3
Acetyldiosmin Acetyldiosmin. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,3R,4S,5R,6R)-2-((5-acetoxy-2-(3-acetoxy-4-methoxyphenyl)-4-oxo-4H-chromen-7-yl)oxy)-6-((((2R,3R,4R,5S,6S)-3,4,5-triacetoxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate. CAS No. 6195-54-6. Molecular Formula: C44H48O23. Mole Weight: 944.85. Catalog: APB6195546. Alfa Chemistry Analytical Products 3
Acetyl Impurity 1 Acetyl Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H32N2O62+. Mole Weight: 348.44. Catalog: APB10173. Alfa Chemistry Analytical Products 3
Acetyl L-carnitine impurity 1 Acetyl L-carnitine impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C7H15Cl2NO2. Mole Weight: 216.1. Catalog: APB06505. Alfa Chemistry Analytical Products 3
Acetyl L-carnitine impurity 2 Acetyl L-carnitine impurity 2. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C14H30N2O52+. Mole Weight: 306.4. Catalog: APB06506. Alfa Chemistry Analytical Products 3
Acetyl L-carnitine impurity 3 Acetyl L-carnitine impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 87259-20-9. Molecular Formula: C8H18NO3+. Mole Weight: 176.24. Catalog: APB87259209. Alfa Chemistry Analytical Products 3
Acetylsalicylic Acid EP Impurity A Acetylsalicylic Acid EP Impurity A. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-hydroxybenzoic acid. CAS No. 99-96-7. Molecular Formula: C7H6O3. Mole Weight: 138.12. Catalog: APB99967. Alfa Chemistry Analytical Products 3
Acetylsalicylic Acid EP Impurity C Acetylsalicylic Acid EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-hydroxybenzoic acid. CAS No. 69-72-7. Molecular Formula: C7H6O3. Mole Weight: 138.03. Catalog: APB69727. Alfa Chemistry Analytical Products 3
Acetylsalicylic Acid EP Impurity D Acetylsalicylic Acid EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-((2-acetoxybenzoyl)oxy)benzoic acid. CAS No. 530-75-6. Molecular Formula: C16H12O6. Mole Weight: 300.06. Catalog: APB530756. Alfa Chemistry Analytical Products 3
Acetylsalicylic Acid Impurity 10 Acetylsalicylic Acid Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-6-acetamido-2-(2-hydroxybenzamido)hexanoic acid. Molecular Formula: C15H20N2O5. Mole Weight: 308.33. Catalog: APB03070. Alfa Chemistry Analytical Products 3
Acetylsalicylic Acid Impurity 11 Acetylsalicylic Acid Impurity 11. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-6-amino-2-(2-hydroxybenzamido)hexanoic acid. Molecular Formula: C13H18N2O4. Mole Weight: 266.29. Catalog: APB03069. Alfa Chemistry Analytical Products 3
Acetylsalicylic Acid Impurity 12 Acetylsalicylic Acid Impurity 12. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-amino-6-(2-hydroxybenzamido)hexanoic acid. Molecular Formula: C13H18N2O4. Mole Weight: 266.29. Catalog: APB03068. Alfa Chemistry Analytical Products 3
Acetylsalicylic Acid Impurity 13 Acetylsalicylic Acid Impurity 13. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (R)-2-acetamido-6-(2-hydroxybenzamido)hexanoic acid. Molecular Formula: C15H20N2O5. Mole Weight: 308.33. Catalog: APB03067. Alfa Chemistry Analytical Products 3
Acimox impurity 1 Acimox impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C6H16N2O. Mole Weight: 132.21. Catalog: APB10975. Alfa Chemistry Analytical Products 3
Acimox impurity 2 Acimox impurity 2. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C6H12N2. Mole Weight: 112.18. Catalog: APB10976. Alfa Chemistry Analytical Products 3
Acimox impurity 4 Acimox impurity 4. Uses: For analytical and research use. Group: Impurity standards. CAS No. 79068-45-4. Molecular Formula: C6H8N2O2. Mole Weight: 140.14. Catalog: APB79068454. Alfa Chemistry Analytical Products 3
Acimox impurity 6 Acimox impurity 6. Uses: For analytical and research use. Group: Impurity standards. CAS No. 77666-94-5. Molecular Formula: C6H4N2O2. Mole Weight: 136.11. Catalog: APB77666945. Alfa Chemistry Analytical Products 3
Acipimox Acipimox. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 5-carboxy-2-methylpyrazine 1-oxide. CAS No. 51037-30-0. Molecular Formula: C6H6N2O3. Mole Weight: 154.12. Catalog: APB51037300. Alfa Chemistry Analytical Products 3
Acipimox Impurity 1 Acipimox Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-carboxy-5-methylpyrazine 1,4-dioxide. Molecular Formula: C6H6N2O4. Mole Weight: 170.12. Catalog: APB03244. Alfa Chemistry Analytical Products 3
Acipimox Impurity 2 Acipimox Impurity 2. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-methylpyrazine 1,4-dioxide. CAS No. 32046-26-7. Molecular Formula: C5H6N2O2. Mole Weight: 126.11. Catalog: APB32046267. Alfa Chemistry Analytical Products 3
Acipimox Impurity 3 Acipimox Impurity 3. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 3-carboxy-5-methylpyrazine 1-oxide. CAS No. 51037-31-1. Molecular Formula: C6H6N2O3. Mole Weight: 154.12. Catalog: APB51037311. Alfa Chemistry Analytical Products 3
Acitretin EP Impurity A (Acitretin USP Related Compound A, 13-cis-Acitretin) Acitretin EP Impurity A (Acitretin USP Related Compound A, 13-cis-Acitretin). Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2Z,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid. CAS No. 69427-46-9. Molecular Formula: C21H26O3. Mole Weight: 326.44. Catalog: APB69427469. Alfa Chemistry Analytical Products 3
Acitretin Glucuronide Acitretin Glucuronide. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2R,3R,4R,5S,6R)-3,4,5-trihydroxy-6-(((2E,4E,6E,8E)-9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoyl)oxy)tetrahydro-2H-pyran-2-carboxylic acid. CAS No. 99792-36-6. Molecular Formula: C27H34O9. Mole Weight: 502.57. Catalog: APB99792366. Alfa Chemistry Analytical Products 3
Acitretin impurity 1 Acitretin impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C27H34O9. Mole Weight: 502.56. Catalog: APB10174. Alfa Chemistry Analytical Products 3
Acitretin Impurity 1 Acitretin Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2E,4E,6E,8E)-isopropyl 9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate. CAS No. 74479-46-2. Molecular Formula: C24H32O3. Mole Weight: 368.52. Catalog: APB74479462. Alfa Chemistry Analytical Products 3
Acitretin Impurity 10 Acitretin Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2E,4E,6E,8E)-3-ethyl-9-(4-methoxy-2,3,6-trimethylphenyl)-7-methylnona-2,4,6,8-tetraenoic acid. Molecular Formula: C22H28O3. Mole Weight: 340.46. Catalog: APB03236. Alfa Chemistry Analytical Products 3
Acitretin Impurity 11 Acitretin Impurity 11. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2E,4E,6E,8E)-butyl 9-(4-methoxy-2,3,6-trimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoate. CAS No. 74479-40-6. Molecular Formula: C25H34O3. Mole Weight: 382.54. Catalog: APB74479406. Alfa Chemistry Analytical Products 3
Acitretin Impurity 3 Acitretin Impurity 3. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4,4'-((1E,3E,5Z,7E,9E)-3,8-dimethyldeca-1,3,5,7,9-pentaene-1,10-diyl)bis(1-methoxy-2,3,5-trimethylbenzene). Molecular Formula: C32H40O2. Mole Weight: 456.67. Catalog: APB03128. Alfa Chemistry Analytical Products 3
Acitretin Impurity 4 Acitretin Impurity 4. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2Z,4E,6E,8E)-9-(3-(hydroxymethyl)-4-methoxy-2,6-dimethylphenyl)-3,7-dimethylnona-2,4,6,8-tetraenoic acid. Molecular Formula: C21H26O4. Mole Weight: 342.44. Catalog: APB03238. Alfa Chemistry Analytical Products 3
Aclidinium Bromide Aclidinium Bromide. Uses: For analytical and research use. Group: Impurity standards. CAS No. 320345-99-1. Molecular Formula: C26H30BrNO4S2. Mole Weight: 564.55. Catalog: APB320345991. Alfa Chemistry Analytical Products 3
Aclidinium Bromide 3S-Isomer Aclidinium Bromide 3S-Isomer. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C26H30BrNO4S2. Mole Weight: 564.55. Catalog: APB06494. Alfa Chemistry Analytical Products 3
Aclidinium Bromide Dimer Impurity Aclidinium Bromide Dimer Impurity. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C37H44Br2N2O6S4. Mole Weight: 900.81. Catalog: APB06492. Alfa Chemistry Analytical Products 3
Aclidinium bromide Impurity 1 Aclidinium bromide Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C20H25Br2NO3S2. Mole Weight: 551.35. Catalog: APB06491. Alfa Chemistry Analytical Products 3
Aclidinium bromide Impurity 11 Aclidinium bromide Impurity 11. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C38H44BrNO3. Mole Weight: 642.68. Catalog: APB06495. Alfa Chemistry Analytical Products 3
Aclidinium bromide Impurity 12 Aclidinium bromide Impurity 12. Uses: For analytical and research use. Group: Impurity standards. CAS No. 320347-97-5. Molecular Formula: C17H19NO3S2. Mole Weight: 349.46. Catalog: APB320347975. Alfa Chemistry Analytical Products 3
Aclidinium bromide Impurity 3 Aclidinium bromide Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 320346-75-6. Molecular Formula: C25H28BrNO4S2. Mole Weight: 550.53. Catalog: APB320346756. Alfa Chemistry Analytical Products 3
Aclidinium bromide Impurity 6 Aclidinium bromide Impurity 6. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C16H24BrNO2. Mole Weight: 342.28. Catalog: APB06493. Alfa Chemistry Analytical Products 3
Aclidinium bromide Impurity 8 Aclidinium bromide Impurity 8. Uses: For analytical and research use. Group: Impurity standards. CAS No. 4075-58-5. Molecular Formula: C8H8O3S. Mole Weight: 184.21. Catalog: APB4075585. Alfa Chemistry Analytical Products 3
Acotiamide Impurity 1 Acotiamide Impurity 1. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 2-aminothiazole-4-carboxylic acid. CAS No. 40283-41-8. Molecular Formula: C4H4N2O2S. Mole Weight: 144.15. Catalog: APB40283418. Alfa Chemistry Analytical Products 3

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