Product Description
|
Product Name |
D-tryptophan |
|
Other Name |
D-2-amino-3 - (β - indole) propionic acid; D - (+) - tryptophan |
|
Molecular Formula |
C11H12N2O2 |
|
Molecular Weight |
204.23 |
|
CAS |
153-94-6 |
|
EINECS |
205-819-9 |
Appearance and character: white or yellow crystalline powder.
DL tryptophan was used as raw material, chloroacetic anhydride was added in the cooling state, then it was acidified by sulfuric acid, ground in ice water, and recrystallized in filtered water. Finally, it was treated with pan carboxypeptidase to remove L-forms, acidified by acetic acid and refined by ethanol recrystallization. It is an important nutrient and can be used as a control agent of leprosy in medicine.