alfacalcidol and its Impurities
Alfacalcidol is commonly used for the treatment of hypocalcemia. It is an analogue of vitamin D. Reference standards of Alfacalcidol API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
(S)-2-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-Dihydroxy-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)propanal
(S)-2-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-Dihydroxy-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)propanal
Catalogue No.:PA 28 0231000
CAS :
111024-92-1
Molecular Formula : C22H32O3
Molecular Weight : 344.5
(1R,3S,Z)-5-(2-((1R,3aS,7aR,Z)-7a-Methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol
(1R,3S,Z)-5-(2-((1R,3aS,7aR,Z)-7a-Methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol
Catalogue No.:PA 28 0231002
CAS :
2963746-77-0
Molecular Formula : C27H44O2
Molecular Weight : 400.65
(1R,3S,E)-5-(2-((1R,3aS,7aR,Z)-7a-Methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol
(1R,3S,E)-5-(2-((1R,3aS,7aR,Z)-7a-Methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol
Catalogue No.:PA 28 0231003
CAS :
1279049-53-4
Molecular Formula : C27H44O2
Molecular Weight : 400.65
