### Properties

- IUPAC name: (S)-2-Hydroxybutanedioic acid
- Formula: C4H6O5
- Molecular weight: 134.0874 g/mol
- Monoisotopic weight: 134.0215233 g/mol
- Melting point: 131 °C (404 K)
- Boiling point: 203 °C (476 K)
- Synonym:
  - (S)-2-Hydroxybutanedioic acid

### Structure

### Structure Download

- In CML format
- In MOL format

### InChI

InChI=1/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)/t2-/m0/s1

### SMILES

O=C(O)CC(C(O)=O)O