Name:  5-Aminolevulinic acid hydrochloride 
Synonyms:  5-Amino-4-oxopentanoic acid hydrochloride;   5-Amino-4-ketovaleric acid hydrochloride:
 
Identification
    Molecular Formula:  C5H9NO3.HCl;C5H10ClNO3 
      Molecular Weight:  167.59 
CAS Registry Number:  5451-09-2 
                       EINECS:  226-679-5     

Properties: 
   Melting point:  156-158 oC 
Decomposition:  155-157 oC;
 
 Specification
  Appearance: white to off-white crystalline powder
           Assay: 98.0%min(HPLC)