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Voriconazole Impurity 10 (UK-115191) One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Molecular formula: C10H7F2N3O. Mole weight: 223.18. BOC Sciences 6
Voriconazole Impurity 11 Voriconazole Impurity 11. Uses: For analytical and research use. Group: Impurity standards. CAS No. 343928-18-7. Molecular Formula: C5H12O4S. Mole Weight: 168.21. Catalog: APB343928187. Alfa Chemistry Analytical Products 2
Voriconazole Impurity 19 Voriconazole Impurity 19. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-bromo-6-(1-bromoethyl)-5-fluoropyrimidine. CAS No. 1307315-02-1. Molecular Formula: C6H5Br2FN2. Mole Weight: 283.92. Catalog: APB1307315021. Alfa Chemistry Analytical Products
Voriconazole Impurity 2 One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Molecular formula: C6H4Br2ClFN2. Mole weight: 318.37. BOC Sciences 6
Voriconazole Impurity 20 Voriconazole Impurity 20. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: 4-chloro-6-(1,1-dibromoethyl)-5-fluoropyrimidine. CAS No. 908352-44-3. Molecular Formula: C6H4Br2ClFN2. Mole Weight: 318.37. Catalog: APB908352443. Alfa Chemistry Analytical Products 3
Voriconazole Impurity 22 Voriconazole Impurity 22. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2RS,3RS)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol. CAS No. 137330-52-0. Molecular Formula: C16H14F3N5O. Mole Weight: 349.31. Catalog: APB137330520. Alfa Chemistry Analytical Products 2
Voriconazole Impurity 3 One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: 6-(1-Bromoethyl)-4-chloro-5-fluoropyrimidine; 4-chloro-5-fluoro-6-(1-bromoethyl)-pyrimidine. Grades: > 98 %. CAS No. 188416-28-6. Molecular formula: C6H5BrClFN2. Mole weight: 239.47. BOC Sciences 6
Voriconazole Impurity 3 Voriconazole Impurity 3. Uses: For analytical and research use. Group: Impurity standards. CAS No. 188416-28-6. Molecular Formula: C6H5BrClFN2. Mole Weight: 239.47. Catalog: APB188416286. Alfa Chemistry Analytical Products
Voriconazole Impurity 4 One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Molecular formula: C16H13ClF3N5O. HCl. Mole weight: 420.22. BOC Sciences 6
Voriconazole Impurity 45 Voriconazole Impurity 45. Uses: For analytical and research use. Group: Impurity standards. CAS No. 759-67-1. Molecular Formula: C7H11FO3. Mole Weight: 162.16. Catalog: APB759671. Alfa Chemistry Analytical Products 3
Voriconazole Impurity 46 Voriconazole Impurity 46. Uses: For analytical and research use. Group: Impurity standards. CAS No. 239807-04-6. Molecular Formula: C16H14F3N5O. Mole Weight: 349.32. Catalog: APB239807046. Alfa Chemistry Analytical Products 2
Voriconazole Impurity 48 Voriconazole Impurity 48. Uses: For analytical and research use. Group: Impurity standards. CAS No. 239807-03-5. Molecular Formula: C16H14F3N5O. Mole Weight: 349.32. Catalog: APB239807035. Alfa Chemistry Analytical Products 2
Voriconazole Impurity 5 One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Molecular formula: C16H13ClF3N5O. HCl. Mole weight: 420.22. BOC Sciences 6
Voriconazole Impurity 52 Voriconazole Impurity 52. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C12H10Cl2F2N4. Mole Weight: 319.14. Catalog: APB10048. Alfa Chemistry Analytical Products 4
Voriconazole Impurity 53 Voriconazole Impurity 53. Uses: For analytical and research use. Group: Impurity standards. CAS No. 321588-93-6. Molecular Formula: C12H10Cl2F2N4. Mole Weight: 319.14. Catalog: APB321588936. Alfa Chemistry Analytical Products 3
Voriconazole Impurity 54 Voriconazole Impurity 54. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C12H10BrClF2N4. Mole Weight: 363.59. Catalog: APB10049. Alfa Chemistry Analytical Products 4
Voriconazole Impurity 55 Voriconazole Impurity 55. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C22H18ClF4N7O. Mole Weight: 507.88. Catalog: APB10050. Alfa Chemistry Analytical Products 4
Voriconazole Impurity 6 One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: rel-(αR,βR)-α-(2,4-Difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol. CAS No. 137330-52-0. Molecular formula: C16H14F3N5O. Mole weight: 349.32. BOC Sciences 6
Voriconazole Impurity 7 Voriconazole Impurity 7 is an impurity of Voriconazole, which is an antifungal medication used to treat a number of fungal infections. Synonyms: 4-Pyrimidineethanol, α-(2,4-difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-, (αS,βS)-; (αS,βS)-α-(2,4-Difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol; (2S,3S)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol. Grades: ≥95%. CAS No. 239807-04-6. Molecular formula: C16H14F3N5O. Mole weight: 349.32. BOC Sciences 6
Voriconazole Impurity 8 One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: (αR,βR)-α-(2,4-Difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol. CAS No. 239807-03-5. Molecular formula: C16H14F3N5O. Mole weight: 349.32. BOC Sciences 8
Voriconazole Impurity 8 Voriconazole Impurity 8. Uses: For analytical and research use. Group: Impurity standards. Molecular Formula: C11H18O4S. Mole Weight: 246.32. Catalog: APB10042. Alfa Chemistry Analytical Products 4
Voriconazole Impurity 9 (UK-51060) One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Molecular formula: C10H7F2N3O. Mole weight: 223.18. BOC Sciences 6
Voriconazole Impurity B Cas No. 182369-73-9. BOC Sciences 6
Voriconazole Impurity C Cas No. 137234-88-9. BOC Sciences 6
Voriconazole Impurity E Cas No. 5872-8-2. BOC Sciences 6
Voriconazole EP Impurity B Voriconazole EP Impurity B. Uses: For analytical and research use. Group: Impurity standards. CAS No. 182369-73-9. Molecular Formula: C16H15F2N5O. Mole Weight: 331.33. Catalog: APB182369739. Alfa Chemistry Analytical Products 2
Voriconazole EP Impurity C Voriconazole EP Impurity C. Uses: For analytical and research use. Group: Impurity standards. CAS No. 137234-88-9. Molecular Formula: C6H7FN2. Mole Weight: 126.13. Catalog: APB137234889. Alfa Chemistry Analytical Products 2
Voriconazole EP Impurity D Voriconazole EP Impurity D. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (2S,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol. CAS No. 137234-63-0. Molecular Formula: C16H14F3N5O. Mole Weight: 349.31. Catalog: APB137234630. Alfa Chemistry Analytical Products 2
Voriconazole EP Impurity E Voriconazole EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. CAS No. 2287183-06-4. Molecular Formula: C10H16O4S. Mole Weight: 232.29. Catalog: APB2287183064. Alfa Chemistry Analytical Products 2
1-(2,6-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethanone One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Voriconazole Impurity 29; Voriconazole Impurity 16. CAS No. 1157981-64-0. Molecular formula: C10H7F2N3O. Mole weight: 223.18. BOC Sciences 8
1-(2-chloro-2-(2,4-difluorophenyl)ethyl)-1H-1,2,4-triazole One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Voriconazole Impurity 28. Grades: 98%. CAS No. 206050-24-0. Molecular formula: C10H8ClF2N3. Mole weight: 243.64. BOC Sciences 8
1-(6-chloro-5-fluoropyrimidin-4-yl)ethanol One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: 4-Pyrimidinemethanol, 6-chloro-5-fluoro-α-methyl-; Voriconazole Impurity 21. CAS No. 1289559-76-7. Molecular formula: C6H6ClFN2O. Mole weight: 176.58. BOC Sciences 8
2, 4-Difluoro-a-(1H-1,2,4-triazolyl)acetophenone 2,4-Difluoro-α-(1H-1,2,4-triazolyl)acetophenone (Voriconazole EP Impurity A; Voriconazole USP Related Compound C) is an antifungal activity, particularly toward Candida albicans and Candida parapsilosis. Group: Biochemicals. Grades: Highly Purified. CAS No. 86404-63-9. Pack Sizes: 5g, 25g, 100g, 250g. Molecular Formula: C??H?F?N?O, Molecular Weight: 223.18. US Biological Life Sciences. USBiological 1
Worldwide
2,5-Dichlorothiophen-3-yl Tioconazole Hydrochloride 2,5-Dichlorothiophen-3-yl Tioconazole Hydrochloride is an impurity in the synthesis of Tioconazole (T444680), an antifungal that is more active than Fluconazole (F421000) or Voriconazole (V760000) against Candida glabrata mutant strains. Antifungal (topical). Group: Biochemicals. Grades: Highly Purified. CAS No. 61675-62-5. Pack Sizes: 5mg, 25mg. Molecular Formula: C16H13Cl5N2OS, Molecular Weight: 458.62. US Biological Life Sciences. USBiological 10
Worldwide
3-(6-bromo-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Voriconazole Impurity 31. CAS No. 1307315-04-3. Molecular formula: C16H13BrF3N5O. Mole weight: 428.21. BOC Sciences 8
4-amino-1-(2-(2,4-difluorophenyl)-2-oxoethyl)-1H-1,2,4-triazol-4-ium chloride One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Voriconazole Impurity 5; Voriconazole Impurity 30; 1H-1,2,4-Triazolium, 4-amino-1-[2-(2,4-difluorophenyl)-2-oxoethyl]-, chloride (9CI). CAS No. 154534-83-5. Molecular formula: C10H9ClF2N4O. Mole weight: 274.65. BOC Sciences 8
4-Ethyl-5-fluoropyrimidine Hydrochloride A Voriconazole impurity. Group: Biochemicals. Grades: Highly Purified. Pack Sizes: 100mg. US Biological Life Sciences. USBiological 2
Worldwide
(αR,βR)-rel-6-Chloro-α-(2,4-difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Voriconazole (2R,3R)-Isomer; Voriconazole 3-Epimer; (2R,3R)-3-(6-chloro-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol compound with (2S,3S); Voriconazole Impurity 12. CAS No. 137234-76-5. Molecular formula: C16H13ClF3N5O. Mole weight: 383.76. BOC Sciences 8
Busulfan Impurity 10 Busulfan Impurity 10. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: Voriconazole Impurity 13. Molecular Formula: C7H16O4S. Mole Weight: 196.26. Catalog: APB06446. Alfa Chemistry Analytical Products 4
ent-Voriconazole ent-Voriconazole. Uses: For analytical and research use. Group: Impurity standards. CAS No. 137234-63-0. Pack Sizes: 5MG. IUPAC Name: (2S,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1,2,4-triazol-1-yl)butan-2-ol. Molecular Formula: C16H14F3N5O. Mole Weight: 349.31. Catalog: APS137234630. SMILES: C[C@H] (c1ncncc1F)[C@@] (O) (Cn2cncn2)c3ccc (F)cc3F. Format: Neat. Shipping: Room Temperature. Alfa Chemistry Analytical Products
methyl 2-fluoro-3-oxopentanoate One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: pentanoic acid, 2-fluoro-3-oxo-, methyl ester; Voriconazole Impurity 23. CAS No. 180287-02-9. Molecular formula: C6H9FO3. Mole weight: 148.13. BOC Sciences 8
4-chloro-5-fluoro-6-vinylpyrimidine One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: Pyrimidine, 4-chloro-6-ethenyl-5-fluoro-. CAS No. 1403893-61-7. Molecular formula: C6H4ClFN2. Mole weight: 158.56. BOC Sciences 8
6-Chloro Voriconazole One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: 6-Chloro-α-(2,4-difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-4-pyrimidineethanol; rac-6-Chloro Voriconazole. CAS No. 188416-35-5. Molecular formula: C16H13ClF3N5O. Mole weight: 383.76. BOC Sciences 6
Voriconazole N-oxide One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: (αR,βS)-α-(2,4-Difluorophenyl)-5-fluoro-β-methyl-α-(1H-1,2,4-triazol-1-ylmethyl)-1-oxide-4-pyrimidineethanol; UK 121265. CAS No. 618109-05-0. Molecular formula: C16H14F3N5O2. Mole weight: 365.32. BOC Sciences 6
Voriconazole Related Compound A One of the impurities of Voriconazole, which has been found to be an ergosterol biosynthesis inhibitor and could be used as an antifungal agent. Synonyms: (2RS,3RS)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol. CAS No. 182230-43-9. Molecular formula: C16H14F3N5O. Mole weight: 349.32. BOC Sciences 6

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