DL-Tryptophan

Product Name: DL-Tryptophan
CAS No.: 54-12-6
Chemical Name: DL-Tryptophan
Synonyms: DL-Trp;DL-Trp-OH;DL-Tryptphan;DL-Trytophan;DL-Tryptohan;DL-Trytophane;DL-Tryptophan;DL-Tryptoplaan;DL-Trypthophan;(rs)-tryptophan
CBNumber: CB6107772
Molecular Formula: C11H12N2O2
Formula Weight: 204.23
MOL File: 54-12-6.mol

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DL-Tryptophan Property

Melting point:: 289-290 °C (dec.)(lit.)
alpha: [α]D20 -1～1°(c=1, dil. HCl)
Boiling point:: 342.72°C (rough estimate)
Density: 1.1754 (rough estimate)
refractive index: 1.5200 (estimate)
storage temp.: Store at RT.
solubility: methanol: water (7:3): soluble
form: Powder
pka: 2.30±0.10(Predicted)
color: White to light beige or light yellow
Odor: Odorless
Water Solubility: 10 g/L (20 ºC)
BRN: 86196
Stability:: Stable. Incompatible with strong oxidizing agents, strong acids.
InChIKey: QIVBCDIJIAJPQS-UHFFFAOYSA-N
CAS DataBase Reference: 54-12-6(CAS DataBase Reference)
NIST Chemistry Reference: Tryptophane(54-12-6)
EPA Substance Registry System: Tryptophan (54-12-6)

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Safety

Hazard Codes: Xi
Risk Statements: 22-36/37/38-37/38-41
Safety Statements: 24/25-36/37/39-36-26
WGK Germany: 1
RTECS: YN6129200
F: 8
TSCA: Yes
HS Code: 29339990

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Hazard and Precautionary Statements (GHS)

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 162698
Product name: DL-Tryptophan
Purity: ≥99% (HPLC)
Packaging: 1.5g
Price: $117
Updated: 2020/08/18

Sigma-Aldrich

Product number: 162698
Product name: DL-Tryptophan
Purity: ≥99% (HPLC)
Packaging: 50g
Price: $123
Updated: 2020/08/18

TCI Chemical

Product number: T0540
Product name: DL-Tryptophan
Purity: >99.0%(HPLC)(T)
Packaging: 25g
Price: $34
Updated: 2020/06/24

Alfa Aesar

Product number: L05936
Product name: DL-Tryptophan, 99%
Packaging: 5g
Price: $20.5
Updated: 2020/06/24

Alfa Aesar

Product number: L05936
Product name: DL-Tryptophan, 99%
Packaging: 25g
Price: $49.7
Updated: 2020/06/24

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DL-Tryptophan Chemical Properties,Usage,Production

Chemical Properties

White crystals. Slightly soluble in water; stable in alkaline solution; decomposed by strong acids.

Uses

An amino acid precursor of serotonin and melatonin.

Definition

ChEBI: An alpha-amino acid that is alanine bearing an indol-3-yl substituent at position 3.

Safety Profile

Experimental reproductive effects. Questionable carcinogen with experimental carcinogenic data. When heated to decomposition it emits toxic fumes of NOx.

DL-Tryptophan Preparation Products And Raw materials

Raw materials

L-Tyrosine 2-Acetamidoacrylic acid 2-Methylindole Acrolein 1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl ester L-Phenylalanine N-[(tert-Butoxy)carbonyl]-D-tryptophan Acetic anhydride formaldehyde L-Tryptophan Sodium sulfate INDOPHENOL L-Alanine Pyruvic acid Water Sulfurous Acid Pyridoxal 5'-phosphate Inosine Gramine DL-Serine AMINOMALONIC ACID Acetic acid Indole Starch Dimethylamine

Preparation Products

D(+)-Tryptophan L-Tryptophan

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DL-Tryptophan Suppliers

Belgium 1 Canada 1 China 215 Europe 3 Germany 5 India 5 Japan 4 Russia 1 Slovakia 1 Switzerland 3 United Kingdom 9 United States 37 Global 285

Wuxi maimo topp biotechnology co., LTD

Tel
Email: lisa-li@mimotopes.cn
Country: China
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Shanghai Boyle Chemical Co., Ltd.

Tel: Mr Qiu:021-50182298(Demestic market) Miss Xu：021-50180596（Abroad market）
Fax: +86-21-57758967
Email: sales@boylechem.com
Country: China
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J & K SCIENTIFIC LTD.

Tel: 010-82848833- ;010-82848833-
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com;market6@jkchemical.com
Country: China
ProdList: 96815
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Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 21-61259100-
Fax: 86-21-61259102
Email: sh@meryer.com
Country: China
ProdList: 40268
Advantage: 62

Alfa Aesar

Tel: 400-610-6006; 021-67582000
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30163
Advantage: 84

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386 / 800-988-0390
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
Country: China
ProdList: 24555
Advantage: 81

ShangHai DEMO Chemical Co.,Ltd

Tel: 400-021-7337 qq:2355568890
Fax: 0086-21-50182339
Email: sales@demochem.com; export1@demochem.com
Country: China
ProdList: 2583
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Beijing dtftchem Technology Co., Ltd.

Tel: 13651141086; 86(10)60275028、60275820
Fax: 86 (10) 60270825
Email: dtftchem@sina.com
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ProdList: 3393
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Energy Chemical

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Fax: 021-58436166-800
Email: sales8178@energy-chemical.com
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JinYan Chemicals(ShangHai) Co.,Ltd.

Tel: 13817811078,021-50426030
Fax: 86-021-50426522,50426273
Email: sales@jingyan-chemical.com
Country: China
ProdList: 10009
Advantage: 60

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View Lastest Price from DL-Tryptophan manufacturers

career henan chemical co

Product: DL-Tryptophan 54-12-6
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: 1ton
Release date: 2018-08-09

54-12-6, DL-TryptophanRelated Search:

AC-TRP-OET DL-5-HYDROXYTRYPTOPHAN DL-Tryptophan N-Acetyl-DL-tryptophan Cyclamic acid 3-Indolepropionic acid Glycine AMINO ACIDS 6-Aminocaproic acid L-Tryptophan Propionic acid Molasses N-[(tert-Butoxy)carbonyl]-D-tryptophan ALTRENOGEST 3-Aminopyridine DL-Phenylalanine β-Alanine D(+)-Tryptophan

(rs)-tryptophan

2-Amino-3,3’-IndolylpropanoicAcid

DL-Trytophan

DL-Trytophane

DL-TRYPTOPHAN extrapure CHR

(±)-α-Amino-3-indolepropionic acid, (±)-2-Amino-3-(3-indolyl)propionic acid, DL-3β-Indolylalanine

α-amino-β-indolepropinic acid

DL-Tryptoplaan

DL-Tryptphan

rac-(S*)-2-Amino-3-(1H-indole-3-yl)propanoic acid

DL-α-AMino-3-indolepropionic Acid

(+/-)-2-Amino-3-(3-indolyl)propionic Acid H-DL-Trp-OH

DL-Tryptophan Vetec(TM) reagent grade, 98%

DL-TRYPTOPHAN, >=99% (HPLC)

(R,S)-2-Amino-3-(3-indolyl)propanoic acid

DL-Trp-OH

DL-Tryptophan≥ 98% (Titration)

DL-Tryptophan,(±)-α-Amino-3-indolepropionic acid, (±)-2-Amino-3-(3-indolyl)propionic acid, DL-3β-Indolylalanine

Racemic Tryptophan

DL-TRYPTOPHAN-2-13C

(±)-α-Amino-3-indolepropionic acid

DL-3β-Indolylalanine

DL-Trypthophan

DL-TRYPTOPHAN CELL CULTURE TESTED

DL-TRYPTOPHAN, 99+%

DL -TRYPTOPHAN BIOTECH GRADE 99+%

Dl-TryptophanForBiochemistry

Dl-TryptophanForBicochemistry

Dl-TryptophanForBicochemistry-(+/-)-2-Amino-3-(3-Lindoly)PropionicAcid)

(n)-2-amino-3-(3-indolyl)propionic acid

DL-Tryptophan

DL-Tryptohan

DL-Trytophan (1.08375)

(R,S)-2-Amino-3-(1H-indol-3-yl)-propionic acid

(+/-)-2-Amino-3-(3-indolyl)propionic acid

DL-Trp

DL-Tryptophan &gt

Tryptophan, 99%, reagent grade

54-12-6

1954-12-06

54-21-6

13CC10H12N2O2

AMINE

Amino Acid Derivatives

Tryptophan

Specialty Synthesis

Peptide Synthesis

Amino Acids & Derivatives

Tryptophan [Trp, W]

alpha-Amino Acids

Amino Acids

Biochemistry

Indoles

Tryptophans

Amino Acids

Alphabetical Listings

Stable Isotopes

Amino Acids Derivatives