CAS: 5990-63-6 Molecular Formula: C4H8O7 Molecular Weight (g/mol): 168.101 MDL Number: MFCD00063641 InChI Key: UUDLQDCYDSATCH-NUGIMEKKSA-N Synonym: meso-Tartaric Acid PubChem CID: 16218804 IUPAC Name: (2R,3S)-2,3-dihydroxybutanedioic acid;hydrate SMILES: C(C(C(=O)O)O)(C(=O)O)O.O