L-Tryptophan (Feed grade)(73-22-3) CAS NO.73-22-3

Name：L-Tryptophan

CAS:73-22-3

MF:C11H12N2O2

MW:204.23

Purity：98-101%

Appearance：White to yellowish white crystals

Pack：25KG/drum

Storage：Keep container tightly closed, store in a cool, dry, well-ventilated area

The density is 1.34, the melting point is 280-285 ℃, and the water solubility is 11.4g/L.refractive

index -32 ° (C=1, H2O) L Tryptophan is an important precusor substance of auxin biosynthesis in plant. 

It has the similar structure of IAA. It widely exists in higher plant. There are two ways to synthetic auxin.