Original Factory N-Acetyltyrosine - DL-Tryptophan – Baishixing
Original Factory N-Acetyltyrosine - DL-Tryptophan – Baishixing
Original Factory N-Acetyltyrosine - DL-Tryptophan – Baishixing Detail:
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.
Product detail pictures:
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