中文名字： L-高胱氨酸

Product Name:L-Homocystine
Synonyms:L-4,4′-Dithiobis(2-aminobutanoic acid)
Molecular Formula:C₈H₁₆N₂O₄S₂
CAS #:626-72-2

Test Items	Standard
Appearance	White fine crystals
Assay	98.0 to 101.0%
Specific Rotation [α]20/D	+77±3°, c = 1% in 1 M HCl
Melting point	281-284 °C (dec.)(lit.)
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%