Molecular properties
- Formula
- C5H11NO2S
- Molar mass
- 149.22 g·mol−1
- Exact mass
- 149.0510 Da
- 1
- PubChem CID
- 5852
Molecule record
(2S)-2-amino-3-methyl-3-sulfanylbutanoic acid
C5H11NO2S
149.22 g/mol
Loading structure
Functional groups
Alkane / alkyl carbon
Carboxylic acid
Primary amine
Thiol
Physical properties
No source-backed physical properties are curated for this molecule yet.
Common names and synonyms
- (-)-Penicillamine
- (S)-2-amino-3-mercapto-3-methylbutanoic acid
- (S)-3,3-Dimethylcysteine
- 3-Mercapto-D-valine
- 52-67-5
- Cuprenil
- Cuprimine
- Cupripen
Show all 24 synonyms
- D-3-Mercaptovaline
- D-Penicillamine
- D-Valine, 3-mercapto-
- D-beta,beta-Dimethylcysteine
- DTXSID6037069
- Depen
- Dimethylcysteine
- Kuprenil
- Mercaptovaline
- Penicilamina
- Penicillamina
- Penicillaminum
- Sufortan
- Trolovol
- beta,beta-Dimethylcysteine
- penicillamine
Structure identifiers
- Canonical SMILES
- CC(C)(S)[C@@H](N)C(=O)O
- Isomeric SMILES
- CC(C)([C@H](C(=O)O)N)S
- InChI
- InChI=1S/C5H11NO2S/c1-5(2,9)3(6)4(7)8/h3,9H,6H2,1-2H3,(H,7,8)/t3-/m0/s1
- InChIKey
- VVNCNSJFMMFHPL-VKHMYHEASA-N
- PubChem CID
- 5852
Spectroscopy
Tabs appear only for spectra stored with clear provenance.
No redistributable or simulated spectroscopy record is attached yet.
Simulated NMR
On-demand educational prediction for (2S)-2-amino-3-methyl-3-sulfanylbutanoic acid; not experimental data.
Simulated EI mass spectrum
On-demand educational fragmentation for (2S)-2-amino-3-methyl-3-sulfanylbutanoic acid; not experimental data.
Sources
Molecule identity
Retrieved 8/20/2026. Reuse status is summarized by the badge; open the source for full details.