Cysteine

CAS Registry Number®

3374-22-9

CAS Name

Cysteine

Molecular Formula

C3H7NO2S

Molecular Mass

121.16

Cite this Page

Cysteine.   CAS Common Chemistry.   CAS, a division of the American Chemical Society, n.d.   http://commonchemistry.cas.org/detail?cas_rn=3374-22-9 (retrieved 2024-11-22) (CAS RN: 3374-22-9).  Licensed under the Attribution-Noncommercial 4.0 International License (CC BY-NC 4.0).

Compound Properties

  • Melting Point (1)

    222-225 °C

Source(s)

  • (1) Denotes property values from the ZIC/VINITI data file provided by InfoChem.

Other Names and Identifiers

InChI

InChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)

InChIKey

InChIKey=XUJNEKJLAYXESH-UHFFFAOYSA-N

SMILES

C(C(O)=O)(CS)N

Canonical SMILES

O=C(O)C(N)CS

Other Names for this Substance

  • Cysteine
  • Cysteine, DL-
  • DL-Cysteine
  • (±)-Cysteine
  • NSC 63864

View All