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L-Cystine
[CAS# 56-89-3]

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Complete supplier list of L-Cystine
Identification
Classification Biochemical >> Common amino acids and protein drugs
Name L-Cystine
Synonyms L(-)-3,3'-Dithiobis(2-aminopropanoic acid); 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid
Molecular Structure CAS # 56-89-3 (24645-67-8), L-Cystine, L(-)-3,3'-Dithiobis(2-aminopropanoic acid), 2-Amino-3-[(2-amino-2-carboxyethyl)dithio]propanoic acid
Molecular Formula C6H12N2O4S2
Molecular Weight 240.29
CAS Registry Number 56-89-3 (24645-67-8)
EC Number 200-296-3
SMILES C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N
Properties
Melting point 260-261 ºC
alpha -224 º(c=2 in 1M HCl)
Water solubility 0.112 g/L (25 ºC)
Safety Data
Hazard Symbols symbol   GHS07 Warning    Details
Hazard Statements H302-H315-H319-H335    Details
Precautionary Statements P261-P305+P351+P338    Details
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Skin irritationSkin Irrit.2H315
Eye irritationEye Irrit.2H319
Specific target organ toxicity - single exposureSTOT SE3H335
Acute toxicityAcute Tox.4H302
Eye irritationEye Irrit.2AH319
SDS Available
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