PRODUCT NAME: Alfacalcidol Impurity 13
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	ALF-012
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	87649-56-7
Mol. Formula	C33H58OSi
Molecular Wt	498.9 g/mol
IUPAC	Tert-butyldimethyl(((S,Z)-3-(2-((1R,3aS,7aR,E)-7a-methyl-1-((R)-6-methylheptan-2-yl)octahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexyl)oxy
Synonyms	(1,1-Dimethylethyl)dimethyl[[(3β,5Z,7E)-9,10-secocholesta-5,7,10(19)-trien-3-yl]oxy]-silane; 9,10-Secocholestane Silane Deriv.; t-Butyldimethyl(((S,Z)-3-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexyl)oxy)silane
Long Term Storage Condition	2-8°C Refrigerator
Handling instruction	Sample COA

Test	Results
Appearance	colorless to pale yellow viscous oil
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