Sell D-Cysteine

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Product Name: D-Cysteine
Synonyms:(S) -2-Amino-3-mercaptopropionic acid
Molecular Formula:C3H7NO2S
CAS #:921-01-7

Test Items

White crystals or crystalline powder

98.5% to 100.5%

Specific Rotation [(Alpha)]20/D
-5.0~7.00 (C=8 in 1N HCl)

Loss on Drying
8.5% to 12.0%

Residue in Ignition (Sulfate)
Not more than 0.10%

Chloride (Cl)
19.89% to 20.29%

Heavy Metals (Pb)
Not more than 10 PPM