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Postion:Product Catalog >Biochemical Engineering>Amino Acids and proteins>L-Tryptophan
L-Tryptophan
  • L-Tryptophan
  • L-Tryptophan

L-Tryptophan

Price Get Latest Price
Package 1kg 10kg 25kg
Min. Order: 1kg
Supply Ability: 1000kg
Update Time: 2023-03-15

Product Details

Product Name: L-Tryptophan CAS No.: 73-22-3
EC-No.: 200-795-6 Min. Order: 1kg
Purity: 98%Min Supply Ability: 1000kg
Release date: 2023/03/15
MF:: C11H12N2O2 MW:: 204.23
Appearance:: White to Off-white powder Contact:: Jessie@lychems.cn
L-Tryptophan Chemical Properties
Melting point 289-290 °C (dec.)(lit.)
alpha -31.1 º (c=1, H20)
Boiling point 342.72°C (rough estimate)
density 1.34
refractive index -32 ° (C=1, H2O)
storage temp. 2-8°C
solubility 20% NH3: 0.1 g/mL at 20 °C, clear, colorless
form powder
pka2.46(at 25℃)
color White to yellow-white
PH5.5-7.0 (10g/l, H2O, 20℃)
optical activity[α]20/D 31.5±1°, c = 1% in H2O
Water Solubility 11.4 g/L (25 ºC)
Merck 14,9797
BRN 86197
Stability:Stable. Incompatible with strong acids, strong oxidizing agents.
InChIKeyQIVBCDIJIAJPQS-VIFPVBQESA-N
CAS DataBase Reference73-22-3(CAS DataBase Reference)
NIST Chemistry ReferenceL-Tryptophan(73-22-3)
EPA Substance Registry SystemL-Tryptophan (73-22-3)

L-tryptophan is an essential amino acid which is necessary for normal growth in infants and for nitrogen balance in adults. It acts as a natural dietary supplement and used as an antidepressant, anxiolytic and sleep aid. It is used as a precursor to niacin, indole alkaloids and serotonin. It acts as an important intrinsic fluorescent probe, which finds to estimate the nature of microenvironment of the tryptophan.

Company Profile Introduction

LY Global Chemicals Co Ltd.. is a limited liability company specialized in technical research and development, production, development and trade of chemical products. Mainly engaged in the customization and sales of pharmaceutical intermediates, electronic materials, cosmetics raw materials and other fine chemicals. We have many years of export experience, and our customers are all over many countries. Our products are of good quality, competitive price, stable supply, and customers are very satisfied

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