D-Tryptophan Powder

D-Tryptophan Powder

Product Name: H-D-Trp-OH
CAS#:5 153-94-6126
Synonyms: D-Tryptophan
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23

Product Details

Quick details:
Product Name: H-D-Trp-OH
CAS#:5 153-94-6126
Synonyms: D-Tryptophan
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23
Brand :DAHUA

Description:

D-Tryptophan is important nutrition product, it is be used as prevention of nicotinic acid deficiency in medicine.

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


COA:

Item

Standard

Analysis data


Appearance

Off-white crystalline powder

Conforms


Specific Rotation [20/D]
     (C=1 in H2O)

+30.0 ° to +33.0°

+32.0°


Loss on drying

Not more than 0.50%

0.1%


Residue on ignition(sulfated)

Not more than 0.10%

0.09%


Assay

98.5 to101%

99.2%


PH

5.0 to 7.0

5.8


Conclusion

The product conforms to the standard.

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