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An essential amino acid in human:L-threonine
L-Threonine molecular formula: C4H9NO3 molecular weight: 119.12; CAS: 72-19-5. Melting point: 256 °C (dec.)(lit.) Specific rotation: -28.4 º (c=6, H2O) Boiling point: 222.38°C (rough estimate) Density: 1.3126 (rough estimate)
