Sell supply n-acetyl-dl-tryptophan ycgc_int@yccreate.com @China (Mainland)

supply N-acetyl-DL-tryptophan  ycgc_int@yccreate.com

CAS No. :87-32-1

Molecular formula: C13H14N2O3

Molecular Weight: 246.27

Reference Standard: AJI92

Appearance: white crystal or crystalline powder

State solution clear and colorless (transmission) is not less than 95.0%

Chloride (CL): not more than 0.04%

Ammonium: Not more than 0.02%

Iron (Fe): not more than 30ppm

Heavy metal (Pb): Not more than 10ppm

Arsenic (arsenic trioxide): not more than 2ppm

Other amino acids:

Loss on drying: not more than 0.60%

Residue on ignition (sulfuric acid): not more than 0.20%

Content: 98.0 to101.0%

Melting Point,204-206 ° C

Solubility in water, cold water insoluble

pH: 2.5 to 3.5

Usage: the important fine organic chemical intermediate widely used in pharmaceuticals, pesticides, chemical industry and other fields.

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Post by Tina chen    Chemicals    @2013-02-26 08:17:18