PRODUCT NAME: L-Cystine
Date of Mfg: Sample COA	RETEST DATE: Sample COA

Catalogue Number	FIN-301
Item/Batch Number	Sample COA
Quantity	Sample COA
CAS Number	56-89-3
Mol. Formula	C6H12N2O4S2
Molecular Wt	240.30 g/mol
IUPAC	3,3'-Disulfanediylbis[(2R)-2-aminopropanoic acid]
Synonyms	3,3'-Disulfanediylbis[(2R)-2-aminopropanoic Acid]; (-)-Cystine; 3,3'-Dithiobis(2-aminopropanoic Acid); Bis(β-amino-β-carboxyethyl) Disulfide; Cystine Αcid; Dicysteine; 3,3'-Dithiobis-L-Alanine; L-Cysteine Disulfide;L-Cystin; NSC 13203; Oxidized L-cysteine; [R-(R*,R*)]-3,3'-Dithiobis [2-aminopropanoic Acid]; β,β'-Diamino-β,β'-dicarboxydiethyl Disulfide; β,β'-Dithiodialanine; L-Cystine (USP)
Long Term Storage Condition	2°C to 8°C
Handling instruction	Sample COA

Test	Results
Appearance	White Solid
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	Soluble In HCL
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