CAS Number :73-22-3
EC Number: 200-795-6
Molecular Weight: 204.23
Molecular Formular: C11H12N2O2
Type: Feed Grade
L-Tryptophan 98% feed grade is white crystal or slight brown crystalline powder. It is an essential amino acid that is practically limiting in diets for swine and poultry.L-Tryptophan is important nutritional materials for protein synthesis and is precursor of niacin and serotonin.
|Appearance||White to yellowish crystalline or crystalline powder|
|Assay(dry content):||98.5% min|
|Loss on Drying||0.5% max|
|Residue on ignition||0.5% max|
|Arsenic||2 ppm max|
|Heavy Metal (as Pb) mg/kg||5 ppm max|
10KG net weight,paper bags 2 layers lined with PE coated;
20KG net weight paper bags lined with PE Bags
Each packing unit carry a label indicating the name of the product, the net weight, the name of the manufacture, the date of production, the batch code, expiry date or shelf life and storage condition.
Store in dry conditions and fresh place in a sealed or closed container that is to be protected from water,sunlight and heat.
3 years, should stored under recommended conditions
Due to the rising cost for international delivery, no free samples, for quality check, the buyer party bear the delivery charges firstly, all the samples charges will refund when the order is secured.For R&D and small trials, we will charge the minimum cost.