L-CYSTEINE For Biochemistry

Chemical Information
Article No.	AL1613
Grade	For Biochemistry
Purity	99%
CAS Number	52-90-4
Molecular Formula	C3H7NO2S
Molecular Weight	121.16
HS Code	29309040
Shelf Life	5 Years

Physical Properties
Solubility in water(% weight)	Appreciable (> 10%)
Melting point/ Freezing point(°C)	220 °C
Colour	Colorless crystalline
Physical state at 20 °C	Solid

Safety Information and Hazard Symbols
Signal Word	Warning
Symbol	GHS07
Hazardous Statement	H302

Specifications
Assay	Min. 99%
Heavy metals (as Pb)	Max. 0.001%
Chloride (Cl)	Max. 0.002%
Appearance	Colorless crystalline powder
Sulphate (SO4)	Max. 0.01%