Impurity Reference Standard - Products

Alfacalcidol

CAT No: Cl-ALFC-01 CAS No: 41294-56-8 Mol Wt: 400.6 Mol F: C27H44O2 Inv Status: Custom Synthesis

Chemical Name: (1S,3R,5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diol

Alfacalcidol EP Impurity A

CAT No: Cl-ALFC-02 CAS No: 65445-14-9 Mol Wt: 400.6 Mol F: C27H44O2 Inv Status: Custom Synthesis

Chemical Name: (1S,3R,5E,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diol

Alfacalcidol EP Impurity B

CAT No: Cl-ALFC-03 CAS No: 63181-13-5 Mol Wt: 400.6 Mol F: C27H44O2 Inv Status: Custom Synthesis

Chemical Name: (1R,3R,5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diol

Alfacalcidol EP Impurity C

CAT No: Cl-ALFC-04 CAS No: NA Mol Wt: 575.8 Mol F: C35H49N3O4 Inv Status: Custom Synthesis

Chemical Name: (6aR,7R,9aR)-11-((3S,5R)-3,5-dihydroxy-2-methylcyclohex-1-en-1-yl)-6a-methyl-7-((R)-6-methylheptan-2-yl)-2-phenyl-4a,5,6,6a,7,8,9,9a-octahydrocyclopenta[f][1,2,4]triazolo[1,2-a]cinnoline-1,3(2H,11H)-dione

Alfacalcidol Impurity 1

CAT No: Cl-ALFC-05 CAS No: 112670-85-6 Mol Wt: 629.2 Mol F: C39H72O2Si2 Inv Status: Custom Synthesis

Chemical Name: (((1R,3S,E)-5-(2-((1R,3aS,7aR,E)-7a-Methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diyl)bis(oxy))bis(tert-butyldimethylsilane)

Type:Impurity Reference Standard

API NAME:Alfacalcidol

Total Products: 5

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