PRODUCT NAME: Alfacalcidol Impurity 4
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ALF-026
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	2227309-94-4
Mol. Formula	C27H42O3
Molecular Wt	414.6 g/mol
IUPAC	(R,Z)-5-Hydroxy-3-(((1R,3aR,3'R,4R,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)octahydrospiro[indene-4,2'-oxiran]-3'-yl)methylene)-2-methylenecyclohexan
Synonyms	(R,Z)-5-Hydroxy-3-(((1R,3aR,3'R,4R,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)octahydrospiro[indene-4,2'-oxiran]-3'-yl)methylene)-2-methylenecyclohexan-1-one
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