Shanghai, China
Business Type:
Manufacturer/Factory
Business Range:
Agriculture & Food, Chemicals, Electrical & Electronics, Health & Medicine, Instruments & ...
Management System Certification:
ISO 9001, ISO 14001, ISO 20000, OHSAS/ OHSMS 18001, IATF16949, HSE, ISO 14064, QC 080000, ...
OEM/ODM Service
Sample Available

L-Tryptophan, L-Tryptophane, (S) -2-Amino-3- (3-indolyl) Propionic Acid manufacturer / supplier in China, offering L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine, Lead Glass/Radiation Shielding Glass/X Ray Glass, Surgical Scrubs/Surgical Gown/Nurse Gown/Isolation Gown and so on.

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Supplier Homepage Products Others L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine

L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine

Get Latest Price
Min. Order / Reference FOB Price
1 kg US $50/ kg
Port: Shanghai, China
Production Capacity: 5000 T Per Month
Payment Terms: L/C, T/T
Powder: Yes
Customized: Customized
Certification: GMP
Suitable for: Elderly, Children, Adult
State: Solid
Purity: >99%

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Basic Info

Trademark
OEM
Transport Package
Wooden Case
Origin
China
HS Code
2933990090
Product name: L-Tryptophan
Molecular Weight: 204.23
Molecular Formula: C11H12N2O2
Properties: L- type has the bitter taste, the DL- and the D- type have little sweet taste. 289 °C decompounds, slightly soluble in water, does not dissolve in the ethyl alcohol. Dissolves in the diluted acid or the diluted alkali, the long time illumination will color up. heat together with water can produce the water a small amount of indole, like when heat up under the sodium hydroxide, the cupric sulfate existence, then will produce massive indole. heats up with the acid in the hidden place will be more stable. when coexist with Medicine bulk drugs, carbohydrate, and aldehyde, it is extremely easy to decompose. 
Uses: Tryptophan is heterocyclic amino acid, is a kind of important and necessary amino acids for hum.

 
Item
Specifications
Results
Appearance
White crystals or crystalline powder
Conforms
Assay ,% min
98.5~101.5
99.5
Ph value
5.5-7.0
5.6
Specific rotation
-29.4°~ -32.8°
-30.8°
Loss on drying,% max
0.3
0.11
Residue on ignition,% max
0.10
0.05
Chloride (as Cl),% max
0.05
<0.05
Sulphate(as SO4),% max
0.03
<0.03
Iron (as Fe) , % max
0.003
<0.003
Heavy metals (as Pb),% max
0.0015
<0.0015


L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine
L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine
L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine
L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine
L-Tryptophan/L-Tryptophane/ (S) -2-Amino-3- (3-indolyl) Propionic Acid/Indole-3-Alanine
 

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