Structure Formula:

Molecular Formula: C5H11NO2S
Molecular Weight: 149.21
Characteristics: White flake crystal powders, have a special smell, bulk density 1.34g/cm 3 , melting at 281ºC, It's soluble in water, slightly soluble in alcohol, belongs of sulfur amino acid and non-toxic.
Quality Standards: EP4, FCCIV , USP24