DL-Tryptophan

Product Name: DL-Tryptophan
CAS No.: 54-12-6
Chemical Name: DL-Tryptophan
Synonyms: DL-Trp-OH;ryptophan;DL-Trp;DL-Tryptphan;DL-Trytophan;DL-Tryptohan;DL-Trytophane;DL-Tryptophan;DL-Tryptoplaan;DL-Trypthophan
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.)
Boiling point:: 342.72°C (rough estimate)
alpha: [α]D20 -1～1°(c=1, dil. HCl)
Density: 1.1754 (rough estimate)
refractive index: 1.5200 (estimate)
storage temp.: Keep in dark place,Inert atmosphere,Room temperature
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
LogP: 1.040 (est)
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)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P332+P313IF SKIN irritation occurs: Get medical advice/attention.

P337+P313IF eye irritation persists: Get medical advice/attention.

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N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 162698
Product name: DL-Tryptophan
Purity: ≥99% (HPLC)
Packaging: 1.5g
Price: $153
Updated: 2024/03/01

Sigma-Aldrich

Product number: 162698
Product name: DL-Tryptophan
Purity: ≥99% (HPLC)
Packaging: 50g
Price: $162
Updated: 2024/03/01

TCI Chemical

Product number: T0540
Product name: DL-Tryptophan
Purity: >99.0%(HPLC)(T)
Packaging: 25g
Price: $43
Updated: 2024/03/01

Alfa Aesar

Product number: L05936
Product name: DL-Tryptophan, 99%
Packaging: 5g
Price: $28.2
Updated: 2024/03/01

Alfa Aesar

Product number: L05936
Product name: DL-Tryptophan, 99%
Packaging: 25g
Price: $64.5
Updated: 2024/03/01

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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

DL-Tryptophan is an amino acid precursor of serotonin and melatonin. It is a dietary supplement for use as an antidepressant, anxiolytic, and sleep aid. DL-tryptophan also can be used as feed nutrition enhancer, antioxidants.

Definition

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

General Description

Tryptophan is the precursor for 5-hydroxy-tryptamin and an essential α-amino acid. DL-Tryptophan exists as a zwitterion during crystallization.

Biochem/physiol Actions

DL-Tryptophan binding to bovine serum albumin is employed for its affinity based chromatographic purification. Supplementation of tryptophan in diets of rat induce bladder tumor.

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 monohydrate 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 2 China 284 Czech Republic 1 Europe 2 France 1 Germany 6 India 27 Italy 1 Japan 5 Poland 2 Russia 1 Slovakia 1 Switzerland 5 Tunisia 1 United Kingdom 13 United States 54 USA 1 Global 408

Wuxi maimo topp biotechnology co., LTD

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Email: alice@mimotopes.cn
Country: China
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Advantage: 58

Ningbo jinuo chemical co., LTD

Tel: 0574-87314919 057487319282
Email: info@nbinno.com
Country: China
ProdList: 7216
Advantage: 58

Shanghai Boyle Chemical Co., Ltd.

Tel: 021-50182298 021-50180596
Fax: +86-21-57758967
Email: sales@boylechem.com
Country: China
ProdList: 2210
Advantage: 55

J & K SCIENTIFIC LTD.

Tel: 010-82848833 400-666-7788
Fax: 86-10-82849933
Email: jkinfo@jkchemical.com
Country: China
ProdList: 96815
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Meryer (Shanghai) Chemical Technology Co., Ltd.

Tel: 4006608290; 18621169109
Fax: 86-21-61259102
Email: market03@meryer.com
Country: China
ProdList: 40241
Advantage: 62

Alfa Aesar

Tel: 400-6106006
Fax: 021-67582001/03/05
Email: saleschina@alfa-asia.com
Country: China
ProdList: 30132
Advantage: 84

TCI (Shanghai) Development Co., Ltd.

Tel: 021-67121386
Fax: 021-67121385
Email: Sales-CN@TCIchemicals.com
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ProdList: 24539
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ShangHai DEMO Chemical Co.,Ltd

Tel: 400-021-7337 2355568890
Fax: 0086-21-50182339
Email: sales@demochem.com
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Energy Chemical

Tel: 021-021-58432009 400-005-6266
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Email: sales8178@energy-chemical.com
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ProdList: 44751
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JinYan Chemicals(ShangHai) Co.,Ltd.

Tel: 13817811078
Fax: 86-021-50426522,50426273
Email: sales@jingyan-chemical.com
Country: China
ProdList: 9984
Advantage: 60

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View Lastest Price from DL-Tryptophan manufacturers

Shaanxi TNJONE Pharmaceutical Co., Ltd

Product: Dl-Tryptophan 54-12-6
Price: US $0.00/kg
Min. Order: 1kg
Purity: 99%
Supply Ability: 1000kg
Release date: 2024-04-25

Qiuxian Baitai New Material Co., LTD

Product: dl-tryptophan 54-12-6
Price: US $80.00/KG
Min. Order: 100KG
Purity: 99%
Supply Ability: 5ton/Month
Release date: 2021-11-08

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:

Cyclamic acid 3-Indolepropionic acid Glycine ALTRENOGEST 3-Aminopyridine DL-Phenylalanine β-Alanine D(+)-Tryptophan Tris(hydroxymethyl)aminomethane Propionic acid Molasses 6-Aminocaproic acid DL-TYROSINE METHYL ESTER HCL DL-Tyrosine L-Tryptophan N-[(tert-Butoxy)carbonyl]-D-tryptophan AC-TRP-OET N-Acetyl-DL-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

ryptophan

DL-Tryptophan USP/EP/BP

dextro,laevo-tryptophan

DL-Tryptophane, 99%+

DL-Tryptophan 54-12-6

N-Acetyltryptophan Impurity A

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