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| D-Tryptophan 153-94-6 |
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| D-Tryptophan 153-94-6 |
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Pharmaceutical Use |
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D-Tryptophan 153-94-6
Molecular formula: C11H12N2O2 Molecular structure:
Molecular weight:204.23
CAS No.:153-94-6
¡¼Description¡½White or yellowish crystal powder, taste slightly sweet.
¡¼Specification¡½
Appearance: White or yellow crystalline powder
Assay: 99.0%~101.0%
Specific Rotation [¥á]D20: +30.5¡Æ~ +32.5¡Æ
Transmittance ¡Ã95.0%
PH: 5.5~ 6.4
Loss on Drying ¡Â0.2%
Residue on Ignition ¡Â0.1%
Chloride [Cl-] ¡Â0.02%
Sulfate [SO42-] ¡Â0.02%
Ammonium [NH4+]¡Â0.02%
Heavy Metals [Pb]¡Â10ppm
Iron [Fe] ¡Â10ppm
Arsenic [As2O3] ¡Â1ppm
¡¼Function¡½D-Tryptophan is important nutrition product, it is be used as prevention of nicotinic acid deficiency in medicine.
¡¼Package¡½25kg net weight cardboard drum lined with PE bag, or according to the customer`s demand.
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pharmaceutical |
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