Name

L-Cystine

CAS No.

56-89-3

EINECS NO.

200-296-3

Molecular formula

C₆H₁₂N₂O₂S₂

Molecular weight

240.29

Structural formula

Physical and Chemical Properties

Melting point260-261°C；

Specific Rotation[α]20D -224°（c=2 in 1m hcl）

water-soluble 0.112 g/l(25°C)