Wikipedia:  

Malic acid

Kyselina hydroxybutandiova [Czech]; Kyselina jablecna; Musashi-no-Ringosan; Hydroxysuccinic acid; DL-Malic acid; (+-)-1-Hydroxy-1,2-ethanedicarboxylic acid; Kyselina jablecna [Czech]; 2-Hydroxybutanedioic acid; Pomalus acid; 2-Hydroxyethane-1,2-dicarboxylic acid; Malate
Molecular Formula
C4 H6 O5
Natural Isotopic Abundance Mass
134.0874400000
Mono-Isotopic Molecular Masses
C12N14:   134.021523303
C13N14:   138.034942654
C12N15:   134.021523303
C13N15:   138.034942654
Malic acid image
Malic acid
InCHi String:
InChI=1S/C4H6O5/c5-2(4(8)9)1-3(6)7/h2,5H,1H2,(H,6,7)(H,8,9)

isomeric and canonical SMILES:
C(C(C(=O)O)O)C(=O)O


IUPAC: IUPAC cas: IUPAC openeye: IUPAC systematic
2-hydroxybutanedioic acid

IUPAC traditional
2-hydroxysuccinic acid



PubChem Substance (SID):   85164894   165921   3977
PubChem Compound (CID):   525   222656   92824
KEGG: Compound ID   C00711
CAS Registry IDs:   41308-42-3   617-48-1   676-46-0   6915-15-7
PDB Chemical Component   MLT
Miscellaneous Databases and IDs:   CHEBI 6650   EINECS 230-022-8   CCRIS 6567   NSC 25941   FEMA No. 2655   EINECS 210-514-9   CCRIS 2950   FEMA Number 2655   HSDB 1202

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.