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Amino acid L-Tryptophan 73-22-3

L-Tryptophan CAS No.: 73-22-3 Other Names: Tryptophan MF: C9H11FO3S Place of Origin: China (Mainland) Type: Vitamins, Amino Acids and Coenzymes Grade Standard: Food Grade, Medicine Grade Purity: 99% Appearance: White to yellowish crystals or crystalline powder CAS: 73-22-3 Name: L-Tryptophan...

Product Details

L-Tryptophan
CAS No.: 73-22-3
Other Names: Tryptophan
MF: C9H11FO3S
Place of Origin: China (Mainland)
Type: Vitamins, Amino Acids and Coenzymes
Grade Standard: Food Grade, Medicine Grade
Purity: 99%
Appearance: White to yellowish crystals or crystalline powder
CAS: 73-22-3
Name: L-Tryptophan
Packaging Details: Cartons,25kgs per carton.
L-Tryptophan is white to yellowish white crystals or crystalline powder;slightly bitter taste.Freely soluble in formic acid,slightly soluble in water,very slightly soluble in  ethanol,
practically insoluble in ether.Dissolves in dilute hydrochloric acid.
Specifications: 

Manufacture Standard

AJI97

Specific Rotation[α]20D

-29.4°~ -32.8°

Transmittance

Not less than 95.0%

Chloride

Not more than 0.020%

Ammonium

Not more than 0.02%

Sulfate

Not more than 0.030%

Iron

Not more than 10ppm

Heavy Metals

Not more than 10ppm

Arsenic

Not more than 1ppm

Other amino acids

conforms

Loss on drying

Not more than 0.30%

Residue on ignition

Not more than 0.10%

Chemical Name

(S)-2-Amino-3-(3-indolyl)propionic acid

Chemical Formula

C11H12N2O2

Chemical Weight

204.23

Assay

98.5%~101.5%

PH

5.4~6.4

Contact Us
Shanghai Shine High International Trade Co.,Ltd
Add:Room 308,North Wanke Creative quarter,No2000,Dongming Road, Pudong new district,Shanghai, China
Tel:86-21-66531378
Fax:86-21-66531373
Email:sales@ingredient4health.com
Web:http://www.ingredient4health.com/

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