We are the largest manufactor of Amino acid in China. Guarantee high quality, lowest price and reliable service. Product Name: D-Thr-OH CAS #: 632-20-2 Synonyms: D-Threonine Molecular Formula: C4H9NO3 Molecular Weight: 119.12 Purity： min 98% Appearance: White crystals or crystalline powder Deliver time: within 5days