L-Cystine

• Function: Hormones and Regulation of Endocrine Function of Drug
• Certification: GMP
• Grade Standard: Medicine Grade
• Type: Analysis reagent
• State: Solid
• Volatile: Not Volatile
• Transport Package: Plum
• Specification: 20kg
• Trademark: newstar
• Origin: China
• Production Capacity: 1000

Product Description

Item	LIMIT
INDENTIFICATION	AS PER USP28
organic volatile impurities	AS PER USP28
Chromatographic purty	AS PER USP28
Specific rotation[a]D20	-215°~ -225°
Heavy metals(Pb)	≤0.0015%
Loss on drying	≤0.2%
Residue on ignition	≤0.4%
Assay	98.5~101.5%
Arsenic	≤1.5PPM
Sulfate	≤0.04%
Chloride	≤0.15%
Iron	≤0.003%