Wikipedia:  

L-Malic acid

L-Malate; L-Apple acid; L-Malic acid; (S)-Malate; L-2-Hydroxybutanedioic acid
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
L-Malic acid image
L-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)/t2-/m0/s1

isomeric SMILES:
C([C@@H](C(=O)O)O)C(=O)O
canonical SMILES:
C(C(C(=O)O)O)C(=O)O


IUPAC
(2S)-2-hydroxybutanedioic acid

IUPAC traditional
(2S)-2-hydroxysuccinic acid



PubChem Substance (SID):   85165046   3449
PubChem Compound (CID):   222656
KEGG: Compound ID   C00149
CAS Registry IDs:   97-67-6
PDB Chemical Component   DMR   LMR   MLT
Miscellaneous Databases and IDs:   CHEBI 30797

Reference data were obtained primarily from the PubChem database.

Three dimensional molecular rendering uses Jmol.