High Quality D-Tryptophan CAS 153-94-6

• CAS No.: 153-94-6
• Formula: C11h12n2o2
• EINECS: 205-819-9
• Color: White
• Appearance: Powder
• Standard: USP Bp Ep
• Model NO.: py0257
• MOQ: 1kg
• Package: Carton
• Shipping: FedEx
• Transport Package: 25kg/Drum
• Specification: 99%
• Trademark: puya
• Origin: China
• Production Capacity: 20ton/Year

Product Description

D-Tryptophan CAS 153-94-6

Product name: D-Tryptophan
Cas No.: 153-94-6
Appearance: White powder 
Chiral purity: 99.0%min
Package: 25kg/bag
Application: It is an important nutrient, used in medicine as a preventive agent for mangy skin disease.

 

D(+)-Tryptophan Basic information
Product Name:	D(+)-Tryptophan
CAS:	153-94-6
MF:	C11H12N2O2
MW:	204.23
EINECS:	205-819-9
D(+)-Tryptophan Chemical Properties
Melting point	282-285 °C (dec.)(lit.)
alpha	31.5 º (c=1, H2O 24 ºC)
Boiling point	342.72°C (rough estimate)
density	1.1754 (rough estimate)
refractive index	31 ° (C=1, H2O)
storage temp.	Keep in dark place,Inert atmosphere,Room temperature
pka	2.30±0.10(Predicted)

Specification

Test Item	Specification
Appearance	White to off-white powder
By IR	Conforms To Reference
Solubility	Sparingly soluble in water
Specific Rotation[α]20/D(On dried basis)	+30.0°~+33.0°
Purity (HPLC)	≥98.5%
Chiral purity	≥99.5%
Limit of L-tryptophan	≤0.5%
Assay(On dried basis)	98.5%~101.0%
Loss on drying	≤1.0%