(±)-Penicillamine

C5H11NO2SCAS 52-66-4149.21 g/mol

HSNH2OOH
Carboxylic acidPrimary amineThiol

Properties

Molecular formula
C5H11NO2S
Molar mass
149.21 g/mol
Exact mass
149.0510 Da
Melting point
201 °C (decomposes)
logP
0.11Crippen estimate
Polar surface area
63.3 Ų
H-bond donors / acceptors
3 / 3
Rotatable bonds
2

Hazards

Warning
Irritant (GHS07)

Aggregated from 44 ECHA notifications, via PubChem; a share says how many notifiers assign that statement.

Precautionary statements

P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, P501

Identifiers

CAS number
52-66-4
SMILES
CC(C)(S)C(N)C(=O)O
InChIKey
VVNCNSJFMMFHPL-UHFFFAOYSA-N
InChI
InChI=1S/C5H11NO2S/c1-5(2,9)3(6)4(7)8/h3,9H,6H2,1-2H3,(H,7,8)

Weigh it out

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

Names and synonyms

20 names · show all
  • Valine, 3-mercapto-
  • Valine, 3-mercapto-, DL-
  • DL-Valine, 3-mercapto-
  • 3-Mercaptovaline
  • Dl-DMC
  • DL-Penicillamine
  • DL-β-Mercaptovaline
  • DL-3-Mercaptovaline
  • β,β-Dimethylcysteine
  • DMC
  • β-Mercaptovaline
  • Cysteine, 3,3-dimethyl-
  • β-Thiovaline
  • 2-Amino-3-mercapto-3-methylbutyric acid
  • NSC 22880
  • NSC 44656
  • 2-Azaniumyl-3-methyl-3-sulfanylbutanoate
  • 2-Amino-3-methyl-3-sulfanylbutanoic acid
  • 2-Amino-3-mercapto-3-methylbutanoic acid
  • (+-)-Penicillamine

Work with (±)-Penicillamine

Stereoisomers, salts and isotopologues

The same compound in another form: other stereochemistry, a salt or hydrate, the free acid or base, or an isotope-labelled version.

Similar compounds

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

Same formula

Elsewhere