D(+)-Tryptophan

• Post Date:

  Jan 27,2015

• Expiry Date:

  Jul 26,2015

• Detailed Description:

  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.

• 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:

  

• 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