L-Tryptophan (CAS:73-22-3)

Item No.: 17
Product name: L-Tryptophan
CAS No.:73-22-3
Molecule Formula:C11H12N2O2
Molecule Weight:204.23
Description:White or primrose yellow crystalline powder
Manufacture Standards:AJI/USP/EP
INQUIRY
Description
CAS No.73-22-3
Molecule Formula:C11H12N2O2
Molecule Weight:204.23
Structure Formula
 
Description:White or primrose yellow crystalline powder, slightly bitter taste. Very soluble in formic acid, slightly soluble in water; sparingly soluble in ethanol; practically insoluble in ether.
Manufacture Standards:AJI/USP/EP
Specification
Specific rotation
-30.5--32.5°
Heavy metals
≤10ppm
Water content
≤0.20%
Residue on ignition
≤0.10%
Assay
99.0-100.5%
pH
5.4-6.4
Mainly uses:
It is used in food and medicine
Packing:
25kgs/ fiber drum