PRODUCT NAME: Cyanocobalamin EP Impurity A
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	CYB-004
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	23208-66-4
Mol. Formula	C63H85CoN13O15P
Molecular Wt	1354.4 g/nol
IUPAC	Coa-[a-(5,6-dimethylbenzimidazolyl)]-Coß-cyano-8ß-hydroxycobamic a,b,d,e,g-pentaamidec,8-?-lactone
Synonyms	Cyanocobalamin c,8-lactone, cyanocobalamin 7β,8β-lactone
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	Dark Red to Very Dark Red
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	DMF (Slightly), Methanol (Slightly), Water (Slightly)
Purity	NLT 97%
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