Home > Offer to Sell > Intermediates > D(+)-Tryptophan

D(+)-Tryptophan

Inquiry
  Post Date: Jan 27,2015
  Expiry Date: Jul 26,2015
  Detailed Description: Cas No. :153-94-6 无标题文档

【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.

  CAS Registry Number:

153-94-6
  Synonyms: ;D-Tryptophan;(R)-2-Amino-3-(3-indolyl)propionic acid;H-D-Trp-OH;3-(2,3-dihydro-1H-indol-3-yl)-D-alanine;
  Molecular Formula: C11H12N2O2
  Molecular Weight: 204.23
  Molecular Structure: 153-94-6 D-(+)-Tryptophan
  Safety Description: S24/25:;

  Company: SHANDONG JU WEITAI BIOTECHNOLOGY CORP     [ China ]          
  Contact: Wu Junzhi
  Tel: +86-530-8096776 13012659047
  Fax: +86-530-8097997
  Email: varsalwu@163.com
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.