L-Tryptophan CAS No.: 73-22-3

Post Date:
May 29,2013
Expiry Date:
May 29,2014
Detailed Description:
Cas No. :73-22-3 Quantity: 20Metric Tons
Specs:99.0-100.5%
L-Tryptophan CAS No.: 73-22-3
CAS No.: 73-22-3
Molecule Formula: C11H12N2O2
Molecule Weight: 204.23
Structure Formula:

Description: L-Tryptophan is white or primrose yellow crystalline powder, slightly bitter taste. Very soluble in formic acid, slightly soluble in water; sparingly soluble in ethanol; practically insoluble in ether.
Manufacture Standards: AJI92, USP26, EP4
L-Tryptophan Specification:
Index Specification
Specific rotation -30.5--32.5°
Heavy metals ≤10ppm
Water content ≤0.20%
Residue on ignition ≤0.10%
Assay 99.0-100.5%
pH 5.4-6.4
L-Tryptophan Mainly Uses: L-Tryptophan is a very important amino acid it is used in food and medicine
Packing: 25kgs/ fiber drum
CAS Registry Number:
73-22-3
Synonyms:
;H-Trp-OH;L-Tryptophane;L-Tryptohan;TRP;(S)-2-Amino-3-(3-indolyl)propionic acid;2-Amino-3-(1H-indol-3-yl)propanoic acid;Tryptophan;(S)-2-Amino-3-(1H-indol-3-yl)propanoic acid;L-alphs-Amino-3-indolepropionic acid; Indole-3-alanine;
Molecular Formula:
C₁₁H₁₂N₂O₂
Molecular Weight:
204.2252
Molecular Structure:
Risk Codes:
R33:有累积作用的危险‖R40;
Safety Description:
S24/25:;

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