Product name：L-Cysteine​

Chinese name: L-半胱氨酸

CAS NO：52-90-4

Molecular formula：C₃H₇NO₂S

Mol. wt.: 121.15

Melting point：220 ºC

Specific rotatory power：8.75 º (c=12, 2N HCl)

Food Additive Certificate No. SC20151110250006