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L-Tryptophan

Post Date:

2008-09-23 18:15:39.0

Expiry Date:

2009-09-23

Date Joined:	2008-09-23 16:55:18.0
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Detailed Selling Lead 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 AJI92,USP26,EP4
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
A very important amino acid it is used in food and medicine
Packing
25kgs/ fiber drum

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