Cystine

C6H12N2O4S2CAS 923-32-0240.29 g/mol

NH2SSNH2OOHOHO
Carboxylic acidDisulfidePrimary amine

Properties

Molecular formula
C6H12N2O4S2
Molar mass
240.29 g/mol
Exact mass
240.0238 Da
Melting point
240 °C (decomposes)
logP
-0.81Crippen estimate
Polar surface area
126.6 Ų
H-bond donors / acceptors
4 / 6
Rotatable bonds
7

Identifiers

CAS number
923-32-0
SMILES
NC(CSSCC(N)C(=O)O)C(=O)O
InChIKey
LEVWYRKDKASIDU-UHFFFAOYSA-N
InChI
InChI=1S/C6H12N2O4S2/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)

Weigh it out

Type any one amount. The others follow from the molar mass.

Names and synonyms

4 names
  • Cystine, DL-
  • DL-Cystine
  • NSC 203781
  • 2-Amino-3-[(2-amino-2-carboxyethyl)disulfanyl]propanoic acid

Work with Cystine

Similar compounds

Tanimoto similarity of circular fingerprints over the whole catalogue. All similar compounds

Same formula

Elsewhere