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Product name

Factory Supply Pure/Nutritional L-Cysteine/l cyste

Price$20/kg
Supplier

Wuhan BJM Pharm Inc.

 
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Product ApplicationProduct Name: L-Cysteine
Synonyms: (R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Alanine, 3-mercapto-
CAS: 52-90-4
MF: C3H7NO2S
MW: 121.16
EINECS: 200-158-2
Mol File: 52-90-4.mol
ItemsResults
Optical rotation+8.3 - +9.5°
Heavy metal≤10ppm
Moisture≤0.50%
Ignition residue≤0.10%
Assay98.0-101.0%
PH4.5-5.5
AppearanceWhite Crystalline Powder
Melting point240 °C (dec.)(lit.)
Boiling point293.9 °C at 760 mmHg
Density1.334 g/cm3
Flash point131.5°C
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