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

Catalogue Number	FIN-301
Lot Number	Sample COA
Batch Quantity	Sample COA
CAS Number	56-89-3
Mol. Formula	C6H12N2O4S2
Molecular Wt	240.30 g/mol
Long Term Storage Condition	2°C to 8°C	Handling instruction	Sample COA
IUPAC	3,3'-Disulfanediylbis[(2R)-2-aminopropanoic acid]
Chemical Name	L-Cystine
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)

Test	Results
Appearance	White Solid
Identification by 1H NMR	Sample COA
Identification By IR	Sample COA
Mass (ESI)	Sample COA
Purity	NLT 98%
Wt. Loss by TGA	Sample COA
% Potency	Sample COA
Solubility	Soluble In HCL
QC Release Date	Sample COA
Attachments	Sample COA
Note: This material can be used as a referance standard and is for research purpose ONLY and not for human consumption