L-Cystine dihydrochloride

CAS	30925-07-6
Structure
Synonyms	L-Cystine HCl Monohydrate
IUPAC Name	(2R)-2-amino-3-[[(2R)-2-amino-2-carboxyethyl]disulfanyl]propanoic acid;dihydrochloride
Molecular Weight	313.22
Molecular Formula	C6H14Cl2N2O4S2
Canonical SMILES	C([C@@H](C(=O)O)N)SSC[C@@H](C(=O)O)N.Cl.Cl
InChI	InChI=1S/C6H12N2O4S2.2ClH/c7-3(5(9)10)1-13-14-2-4(8)6(11)12;;/h3-4H,1-2,7-8H2,(H,9,10)(H,11,12);2*1H/t3-,4-;;/m0../s1
InChI Key	HHGZUQPEIHGQST-RGVONZFCSA-N
Melting Point	228-232 °C
Purity	98%
pH	2.0-3.0 (0.1%, H₂O, 25°C)
Solubility in Water	Soluble
Appearance	White to pale yellow powder