Best Cheap PriceList for 91229-91-3 - DL-Tryptophan – Baishixing Manufacturer and Factory

Cheap PriceList for 91229-91-3 - DL-Tryptophan – Baishixing

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"Sincerity, Innovation, Rigorousness, and Efficiency" is the persistent conception of our firm to the long-term to develop together with consumers for mutual reciprocity and mutual advantage for D-Tryptophan, Fmoc-Lys (Boc) -Oh, Cis-4-Hydroxy-L-Proline, For high quality gas welding & cutting equipment supplied on time and at the right price, you can count on company name.

Cheap PriceList for 91229-91-3 - 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.

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Quality inspection ability

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