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DL-Tryptophan

DL-Tryptophan

Short Description:

Product Name: DL-Tryptophan

CAS No: 54-12-6

Molecular FormulaC11H12N2O2

Molecular Weight  204.23

 


Product Detail

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Product Tags

Specifications

Chemical Name or Material DL-Tryptophan
CAS 54-12-6
Assay Percent Range 98%
Infrared Spectrum Authentic
Beilstein 22, 550
Other Amino Acids (TLC) Not detected
Packaging 25kg/barrel
SMILES C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N
Molecular Weight (g/mol) 204.229
ChEBI CHEBI:27897
Physical Form Crystalline Powder
Color Beige to White or Yellow
Name Note 99%
Appearance of Solution (1% in 1M HCl) clear to slightly hazy, colorless to yellow solution
Molecular Formula C11H12N2O2
MDL Number MFCD00064339
Loss on Drying 0.8% max. (105°C, 3 hrs) (vacuum)
Synonym dl-tryptophan, 2-amino-3-1h-indol-3-yl propanoic acid, racemic tryptophan, dl-trytophane, dl-trytophan, +--tryptophan, h-dl-trp-oh, dl-3beta-indolylalanine, dl-tryptophane, tryptophan .
InChI Key QIVBCDIJIAJPQS-UHFFFAOYSA-N
IUPAC Name 2-amino-3-(1H-indol-3-yl)propanoic acid
PubChem CID 1148
Formula Weight 204.23
Percent Purity ≥97.5%

Appearance: White to off-white powder
Product Quality meets: Our company standards.
Stock status: Usually keep 300-400KGs in stock.
Application: it is widely used in food additives, pharmaceutical intermediate.
Package: 25kg / barrel

Security information

Customs Code: 29339990
WGK Germany:1
Hazard class code: R22
Safety instruction: S24 / 25
Dangerous goods mark: Xi [2]

Production method

1. Indole was condensed to form 3-dimethylaminomethyl indole, and then condensed to form ethyl α - carboxylate - β (3-indole) - N-acetyl - α - alanine ethyl ester, which was hydrolyzed, decarboxylated and then hydrolyzed to form DL tryptophan.

2. Tryptophan was synthesized from indole in high concentration of pyruvic acid and ammonia under the catalysis of enzyme. Or it is prepared from indole and acetylamino malonate.


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