PRODUCT NAME: Alfacalcidol EP Impurity B
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ALF-006
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	63181-13-5
Mol. Formula	C27H44O2
Molecular Wt	400.6 g/mol
IUPAC	(1R,3R,5Z)-5-[(2E)-2-[(1R,3aS,7aR)-7a-methyl-1-[(2R)-6-methylheptan-2-yl]-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidenecyclohexa
Synonyms	(1R,3R,5Z,7E)-9,10-Secocholesta-5,7,10(19)-triene-1,3-diol; (5Z,7E)-9,10-secocholesta-5,7,10(19)-triene-1β,3β-diol; (1R,3R,Z)-5-(2-((1R,3aS,7aR,E)-7a-Methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol; 1β-Hydroxy vitamin d3
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	white to off-white, crystalline powder
Water content by KF/TGA	Sample COA
% Potency = [100 - (Water content by KF)] X HPLC Purity)] / 100	Sample COA
Identification by HNMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Solubility
Purity	NLT 98%
Analysis Date (Release Date)	Sample COA
Attachments	Sample COA
Other Information	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption