中文名字：D-环丝氨酸

Product Name: D-Cycloserine
Synonyms: (R)-4-Amino-3-isoxazolidone
Molecular Formula:C₃H₆N₂O₂
CAS #:68-41-7

Test Items	Standard
Appearance	White fine crystals
Assay	98.0 to 101.0%
Specific Rotation [α]20/D	+114±3°, c = 2% in water
Melting point	~150 °C (dec.)
Chloride (Cl)	Not more than 0.10%
Heavy Metals (Pb)	Not more than 10 PPM
Loss on Drying	Not more than 0.20%
Residue on Ignition (Sulfate)	Not more than 0.20%