L-Tryptophan

L-Tryptophan

Supplied By
Mutual Chemical Imp.& Exp. Co., Ltd.
Address
Nanjing Road, Xinyang, China, Xinyang, Henan, 464100, China
Phone Orders / Customer Service
0086-376-3809212
Contact People
Lily Dong
Price: Get Quote

Product Details

L-Tryptophan, CAS NO.: 73-22-3
Chemical Name: L-Tryptophan	
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23
Characteristics: White to yellowish white crystalline powder
Packing: 25kg/drum,25kg/carton
Quality Standard: AJI92/USP28/EP5/FCCIV
Specification 
Specific rotation[a]D20°: -30.5°--32.5°           
State of solution: Clear 
(Tranamittance): min.95.0%
Chloride(Cl): max0.02%
Ammonium(NH4): max0.02%                
Sulfate(SO4): max0.020%        
Iron(Fe): max20PPm            
Heavy metals(Pb): max10PPm               
Arsenic(As2O3): max1PPm                
Other amio acids: conforms
Loss on drying: max0.20%
Residue on ignition(Sulfated): max0.10%
Assay: 99.0-100.5%              
PH: 5.4-6.4  
mutualchem(at)gmail(dot)com

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