Stable Quality, Robust Supply and Competitive Price,
WE PROMISE.

L-Tryptophan

73-22-3

C11H12N2O2

204.23

(S)-2-Amino-3-(3-indolyl)propionic acid, L-α-Amino-3-indolepropionic acid

USP/AJI

L Tryptophan
ProductSpecifications
L-TryptophanUSP
L-TryptophanAJI

The most reputable manufacturers worldwide

ZJGHC

HUACHANG / China

L-Tryptophan Properties

Melting point:
289-290 °C (dec.)(lit.)
alpha 
-31.1 º (c=1, H20)
Density 
1.34
refractive index 
-32 ° (C=1, H2O)
storage temp. 
Store at RT.
solubility 
20% NH3: 0.1 g/mL at 20 °C, clear, colorless
form 
powder
pka
2.46(at 25℃)
color 
White to yellow-white
PH
5.5-7.0 (10g/l, H2O, 20℃)
Water Solubility 
11.4 g/L (25 ºC)
Merck 
14,9797
BRN 
86197
Stability:
Stable. Incompatible with strong acids, strong oxidizing agents.
InChIKey
QIVBCDIJIAJPQS-VIFPVBQESA-N
CAS DataBase Reference
73-22-3(CAS DataBase Reference)
NIST Chemistry Reference
L-Tryptophan(73-22-3)
EPA Substance Registry System
L-Tryptophan(73-22-3)

Any questions, never hesitate to tell us!

Or add our IM account for a more convenient contact. Do not worry, we will always be silent until you have something to bother us.

Whatsapp: +86 15900684555

All the message will be replied within 12 hours.