L-Homocysteine ​​L-Homocystine BR Aliases: L-homocysteine, L-4,4'-dithiobis (2-aminobutyric acid), L-homocysteine, L-homocysteine Acid, L-4,4'-Dithiobis (2-aminobutanoic acid) Product No. XY291854 Place of Origin China Catalog Amino Acid CAS No. 626-72-2 Empirical Molecular Formula C8H16N2O4S2 Molecular Weight 268.35 Product Properties and Attribute Grade BR Content ≥98.0%(TLC) Melting Point 281 ~ 284 °C traits white to white powder, soluble in 1N hydrochloric acid biochemical research. Save RT, shelf life 6 years