We are the prefessional manufactor of amino acids in China. We can provide high , loweat price and reliable service. Product Name: H-DL-Thr-OH CAS #: 80-68-2 Synonyms: DL-Threonine Molecular Formula: C4H9NO3 Molecular Weight: 119.12 Purity: min 98% Appearance: White crystals or crystalline powder