DL-Tryptophan
DL-Tryptophan Basic information
- Product Name:
- DL-Tryptophan
- Synonyms:
-
- (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
- CAS:
- 54-12-6
- MF:
- C11H12N2O2
- MW:
- 204.23
- EINECS:
- 200-194-9
- Product Categories:
-
- Amino Acids & Derivatives
- Tryptophan [Trp, W]
- alpha-Amino Acids
- Amino Acids
- Biochemistry
- Indoles
- Tryptophans
- Amino Acids
- Alphabetical Listings
- Stable Isotopes
- Amino Acids Derivatives
- Mol File:
- 54-12-6.mol
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DL-Tryptophan Chemical Properties
- 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 Information
- 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
MSDS
- Language:English Provider:DL-Tryptophan
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DL-Tryptophan Usage And Synthesis
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
Acetic acid glacialSodium sulfateAcetic anhydrideWaterDimethylamineAcroleinStarchPyruvic acidSULFUROUS ACIDformaldehydeIndoleL-AlanineL-Phenylalanine1-Cyclopropyl-6,7-difluoro-1,4-dihydro-8-methoxy-4-oxo-3-quinolinecarboxylic acid ethyl esterInosineL-TyrosineL-TryptophanDL-Serine2-MethylindoleN-[(tert-Butoxy)carbonyl]-D-tryptophanGramineINDOPHENOL2-Acetamidoacrylic acidPyridoxal 5'-phosphateAMINOMALONIC ACID
Preparation Products
DL-TryptophanSupplier
Wuxi maimo topp biotechnology co., LTD Gold
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- linda-fu@mimotopes.cn
Shanghai Boyle Chemical Co., Ltd.
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- Mr Qiu:021-50182298(Demestic market) Miss Xu:021-50180596(Abroad market)
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J & K SCIENTIFIC LTD.
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- 010-82848833- ;010-82848833-
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Meryer (Shanghai) Chemical Technology Co., Ltd.
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- 21-61259100-
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Alfa Aesar
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- 400-610-6006; 021-67582000
- saleschina@alfa-asia.com