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25 Kilogram |
Negotiable |
L-Typtophan USP 99% L-Tryptophan Pharmaceutical intermediate L-Tryptophan
Our company covers an area of 37,000 square meters
We have passed: ISO9001:2000; QS;KOSHER; HALAL and HACCP;ISO22000 quality system
Our product quality has reached the US FCCIV and USP, European Pharmacopoeia and Japanes Ajinomoto standards
L-Tryptophan is one of the basic amino acids for human and animal health. It is an important nutritional supplement and mainly used in amino acids transfusion, food fortifier, and pharmacy raw material. It is also used as antioxidants to improve nutrition and enhance the physique. It can help to boost the function of lactoflavin and synthesize the protein of plasma, nicotinic acid and hemachrome.
Specification:
ITEMS |
FCC IV |
USP24 |
Assay(on dry basis) |
98.5% ~ 101.5% |
98.5%~101.5% |
Appearance |
White crystals crystalline powder |
White crystals crystalline powder |
Specific rotation |
-30.0 ~-33.0 |
-29.4 ~-32.8 |
Chloride(Cl) |
-- |
0.05% MAX |
Sulfate (SO4) |
-- |
0.03% MAX |
Iron(Fe) |
-- |
0.003% MAX |
Heavy metals (Pb) |
20ppm MAX |
15ppm MAX |
Arsenic |
1.5ppm MAX |
1.5ppm MAX |
Loss on drying |
0.3% MAX |
0.3 % MAX |
Residue on ignition |
0.1% MAX |
0.1 % MAX |
pH value |
-- |
5.5 ~ 7.0 |
HALAL ISO KOSHER
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