COA Center
OR
MSDS/SDS Center
Deutsch
English
French
Korean
Portuguese
Spanish
Thai
Turkish
Advanced Search
Chemicals
Lab Chemicals by Category
Advanced Search
COA Center
MN Filter
Filtration
Rapid Tests
Chromatography
Company Profile
History
Vision, Values, Commitment
From Our Chairman
What We Offer
Privacy Policy
Manufacturing
Overview
Facility Tour
Certification
EHS
Our Integrated Management System
Support
Catalogs & Price Lists
Product Brochures
Packings
Contact Us
Find a Dealer
Safety Tips
Storage Practices
Categorical Storage
Recommendations
Resources
Hazard Symbols
GHS Labeling
Precautionary Statements
Hazard Statements
Conversion Charts
Fractions
Particle Size
Periodic Table
MGT-7 Form
L-TRYPTOPHAN For Biochemistry
Used as a substrate in determination of tryptophanase.
(S)-2-Amino-3-(3-indolyl)propionic acid; L-a-Amino-3-indolepropionic acid
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
COAs
Packings
5 g
(00005)
25 g
(00025)
500 g
(00500)
Print friendly version
Article No.
06410
Grade
For Biochemistry
Purity
99%
CAS No.
73-22-3
Molecular Formula
C
1
1
H
1
2
N
2
O
2
Molecular Weight
204.23
H.S. Code
2933.9990
Shelf Life
60 Months
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
5.5 - 7.0
Melting point/ Freezing point [°C]
280 - 285 °C
Solubility in water [% weight]
Partially soluble in water
Specifications
Appearance
White to yellowish-white crystalline powder
Assay (by HClO4 titration)
Min 99%
Heavy metal (as Pb)
Max 0.001%
Ammonium (NH4)
Max 0.01%
Foreign amino acids
Max 0.3%
Other ninhydrin positive substances (as glycine)
Max 0.1%
Revision Date:
07-Dec-2022
Home
Lab Chemicals
Amino Acids & Derivatives
L-TRYPTOPHAN