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L-tryptophan

Product Detail

Product Tags

Product Property
White to pale yellow crystalline or crystalline powder.
Usage
1. The food industry is mainly used for food and nutrition supplements.
2. USP grade L-threonine used in the preparation of compound amino acid transfusion and amino acid preparations.

Specification Sheet

Items Index
Molecular formula C11H12N2O2
CAS NO. 73-22-3
Specific rotation -31.0
PH 6.2
Loss on drying,w% 0.13
Residue on ignition,w% 0.04
Chloride(CI),w% <0.05
Sulfate(S04),w% <0.03
Iron(Fe),ppm <30
Heavy metals(Pb),ppm <15
Related compounds,ppm <10
Assay(on dried basis),w% 99.8
Packaging  Net 25kgs/package
Shelf life & Storage  2 years when well-closed packages stored in shaded, cool,dry,clean and ventilated places on pallets;prohibited to be placed together with poisonous or hamful substances. Open and use.

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