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D-Tryptophan
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Product Details
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Packaging & Delivery
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Product Description
D-Tryptophan
Molecular formula: C11H12N2O2
Molecular weight:204.23
CAS No.:153-94-6
【Description】White or yellowish crystal powder, taste slightly sweet.
【Specification】
Item
Limit
Appearance
White or yellow crystalline powder
Assay
99.0%~101.0%
Specific Rotation [α]D20
+30.5°~ +32.5°
Transmittance
≥95.0%
PH
5.5~ 6.4
Loss on Drying
≤0.2%
Residue on Ignition
≤0.1%
Chloride [Cl-]
≤0.02%
Sulfate [SO42-]
≤0.02%
Ammonium [NH4+]
≤0.02%
Heavy Metals [Pb]
≤10ppm
Iron [Fe]
≤10ppm
Arsenic [As2O3]
≤1ppm
Other Amino Acids
Conforms
【Function】D-Tryptophan is important nutrition product, it is be used as prevention of nicotinic acid deficiency in medicine.
【Package】25kg net weight cardboard drum lined with PE bag, or according to the customer`s demand.
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SUPPLIER PROFILE
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| Company: | Wuhan Super Pharmaceutical Co.,Ltd. | ||
| City/State | wuhan, hubei | Country: |
China 
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| Business Type: | Export - Manufacturer / Trading Company | Established: | 2009 |
| Member Since: | 2012 | Contact Person | Tina |
SUPPLIER PROFILE
City/State/Country -
wuhan, hubei
China
Business Type -
Export - Manufacturer / Trading Company
Established -
2009
Member Since -
2012
Contact Person -
Tina