DL-Alanine 1.  302-72-7 2.  9-1553 3.  89.1 4.  Appearance: White crystalline powder  Purity: 98.5%min. 5.   6.   7.  R 1.  CAS No. 2.  Existing & New Chemical      Substances in Japan     3.  Molecular Weight   4.  Specification   5.  Packing   6.  Use   7.  Development Stage      • C: Commercially available      • O: Made-to-order      • R: Under R&D