Home > Name List By other > (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid

CAS No 73-22-3 , (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid

  • Name: (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
  • Synonyms: L-tryptophan; trofan; Ardeytropin;(2S)-2-amino-3-(1H-indol-3-yl)propanoic acid; Pacitron; L-Tryptophane; Tryptophane; tryptacin; Indole-3-alanine; tryptophan; (S)-Tryptophan;
  • CAS Registry Number:
  • Melting Point: 280-285 ºC
  • Density: 1.34
  • Refractive index: -32 ° (C=1, H2O)
  • Alpha: -31.1 º (C=1, H20)
  • Water Solubility: 11.4 G/L (25 ºC)
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29339990
  • EINECS: 200-795-6
  • Molecular Weight: 204.22518
  • InchiKey: QIVBCDIJIAJPQS-VIFPVBQESA-N
  • InChI: InChI=1S/C11H12N2O2/c12-9(11(14)15)5-7-6-13-10-4-2-1-3-8(7)10/h1-4,6,9,
    13H,5,12H2,(H,14,15)/t9-/m0/s1
  • Risk Statements: S24/25
  • Molecular Formula: C11H12N2O2
  • Molecular Structure:CAS No:73-22-3 (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
Search by region :

Select to

73-22-3 L-Tryptophan

  • Supplier: Premium Ingredient Co.,Ltd Product Name: L-Tryptophan Cas No.: 73-22-3 Quality Standard: USP30, aji92, feed grade. Following specifications are indicated according to usp30. Assay: 98.5% to 101.5% Identification: Infrared absorption Specifi...
  • Min. Order: 100
  • FOB Price: USDfalse - false /
  • China Premium Ingredient Co.,Ltd [Manufacturer, Trading Company, Distributor/Wholesaler]
  • Tel: 86-510-86995770
  • Fax: 86-510-86993298
  • Address: Shanguan Jiangyin,JiangsuChina
Contact Supplier

73-22-3 L-Tryptophan (13C11, 97-99%; D8, 97-99%; 15N2, 97-99%)

  • Creative Proteomics provides a full range of drug development services, including Molecular Biology, Biochemistry, Systems Biology, Organic Chemistry, Genomics, Bioinformatics, Structural Biology, Preclinical and Clinical studies. Please contact us t...
  • United States Creative Proteomics [Manufacturer, Trading Company]
  • Tel: 1-631-6197922
  • Fax: 1-631-6147828
  • Address: 45-1 Ramsey Road, Shirley New York,New YorkUnited States
Contact Supplier

73-22-3 L-Tryptophan

  • Quick Details ProName: L-Tryptophan USP/EP/AJI CasNo: 73-22-3 Molecular Formula: C11H12N2O2 Appearance: White powder Application: used for amino acid DeliveryTime: Prompt shipment PackAge: 25kg/drum Port: Hangzhou or Shanghai,China ProductionCapacity...
  • China Zhuzhou Center Biology Technology Co.,Ltd [Trading Company]
  • Tel: 86--18873303856
  • Fax: --
  • Address: Meidi zhuzhou,China
Contact Supplier

73-22-3 L-Tryptophan

  • Product name: L-Tryptophan CAS NO: 73-22-3 Description: White or yellow slightly crystalline powder Molecular formula: C11H12N2O2 Function: L-Tryptophanis a naturally occurring amino-acid. L-Tryptophanis a precursor for the mood-regulating serotonin ...
  • Min. Order: 1
  • China Shanghai Orgpharma Chemical Co.,Ltd [Manufacturer]
  • Tel: 86-21-22062033
  • Address: No.88,Beijing East Road Taicang,Suzhou,JiangsuChina
Contact Supplier

73-22-3 L-Tryptophan

  • Product Name: L-Tryptophan CAS NO.: 73-22-3 Molecular Formula: C11H12N2O2 Molecular Weight: 204.23 Properties: white to cream crystal or crystalline powder. odorless or with slight odor and bitter taste. Use: 1. Amino acids injection.; 2. For nutriti...
  • China DaXingAnLing Zhongbei Northland Bio-Chem Industry [Manufacturer]
  • Tel: 86-452-6197119
  • Fax: --
  • Address: 5F, C Liandalijing Bulding,No 259 Xinjiang qiqihar,HeilongjiangChina
Contact Supplier

73-22-3 L-Tryptophan

  • Name L-Tryptophan CAS 73-22-3 molecular formula C11H12N2O2 molecular weight 204.23 Categories Vitamin and amino acid Quality standard USP24 Stability Stable. Incompatible with strong acids, strong oxidizing agents. HS Code 29339990 Package 25 kilogra...
  • Min. Order: 100
  • FOB Price: USDfalse - false /
  • China Wuhan Yuancheng Tech. Development Co.,Ltd. [Manufacturer]
  • Tel: 86-27-50756018
  • Fax: 86-27-88048077
  • Address: 496# Zhongshanroad Wuhan,Hubei wuhan,HubeiChina

73-22-3 L-Tryptophan

  • White to Yellowish White Crystals or Crystalline Powder used in fields of medicine, food processing, industry, etc.
  • China Aqua Wyoming Inc [Trading Company]
  • Tel: 86-0579-82899564
  • Address: Zhaohui Road hangzhou,ZhejiangChina
Contact Supplier

73-22-3 L-Tryptophan

  • China Taiyuan RHF CO., ltd. [Manufacturers]
  • Tel: 0351-7436719
  • Fax: +86-351-7436719
  • Address: Shuangta South Alley 46,2-1, YingZe Area,Taiyuan, ShanXi ,ShanXiChina
Contact Supplier

73-22-3 L-Tryptophan

Contact Supplier

73-22-3 L-Tryptophan

  • United States HBCChem, Inc. [Manufacturers]
  • Tel: +1-510-219-6317
  • Fax: +1-510-675-0318
  • Address: Union City,CaliforniaUnited States
Contact Supplier

Select to

References of (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid
Title: Tryptophan
CAS Registry Number: 73-22-3
CAS Name: L-Tryptophan
Synonyms: Trp; W; (S)-a-amino-1H-indole-3-propanoic acid; l-a-aminoindole-3-propionic acid; l-a-amino-3-indolepropionic acid; 2-amino-3-indolylpropanoic acid; l-b-3-indolylalanine
Trademarks: Ardeytropin (Ardeypharm); Kalma (Fresenius); Optimax (Merck KGaA); Pacitron (Rorer); Sedanoct (Woelm); Trofan (Upsher-Smith); Tryptan (Valeant)
Molecular Formula: C11H12N2O2
Molecular Weight: 204.23
Percent Composition: C 64.69%, H 5.92%, N 13.72%, O 15.67%
Literature References: An essential amino acid for human development; precursor of serotonin, q.v. Isoln from casein: F. G. Hopkins, S. W. Cole, J. Physiol. 27, 418 (1902). Structure: A. Ellinger, Ber. 39, 2515 (1906); A. Ellinger, A. C. Flamand, Ber. 40, 3029 (1907). Early chemistry and biochemistry: Amino Acids and Proteins, D. M. Greenberg, Ed. (Charles C. Thomas, Springfield, IL, 1951) 950 pp., passim; J. P. Greenstein, M. Winitz, Chemistry of the Amino Acids vols 1-3 (John Wiley and Sons, Inc., New York, 1961) pp. 2316-2347, passim. Intrinsic fluorescent/phosphorescent moiety in proteins; used in characterizing structure and conformational changes: E. A. Burstein et al., Photochem. Photobiol. 18, 263 (1973); C. Pokalsky et al., J. Biol. Chem. 270, 3809 (1995); review of phosphorescence: S. Papp, J. M. Vanderkooi, Photochem. Photobiol. 49, 775-784 (1989). Review of microbial production: T. K. Maiti, S. P. Chatterjee, Hind. Antibiot. Bull. 33, 26-61 (1991). Review of biosynthesis: I. P. Crawford, G. V. Stauffer, Annu. Rev. Biochem. 49, 163-195 (1980); of nutrition and metabolism: J. C. Peters. Adv. Exp. Med. Biol. 294, 345-358 (1991). Review of use in depression: S. N. Young, J. Psychiatr. Neurosci. 16, 241-246 (1991); in neuropsychiatric disorders: R. Sandyk, Int. J. Neurosci. 67, 127-144 (1992). Review as toxic agent in eosinophilia-myalgia syndrome (EMS): D. S. Milburn, C. W. Myers, DICP Ann. Pharmacother. 25, 1259 (1991); L. D. Kaufman, R. M. Philen, Drug Saf. 8, 89-98 (1993).
Properties: Leaflets or plates from dil alc, dec 289° (rapid heating). [a]D23 -31.5° (c = 1); [a]D20 +2.4° (0.5N HCl); [a]D20 +0.15° (c = 2.43 in 0.5N NaOH). pK1 2.38; pK2 9.39. Soly in water (g/l): 8.23 at 0°; 10.57 at 20°; 11.36 at 25°; 17.06 at 50°; 27.95 at 75°; 49.87 at 100°. Sol in hot alcohol, in alkali hydroxides. Insol in chloroform.
pKa: pK1 2.38; pK2 9.39
Optical Rotation: [a]D23 -31.5° (c = 1); [a]D20 +2.4° (0.5N HCl); [a]D20 +0.15° (c = 2.43 in 0.5N NaOH)
 
Derivative Type: Hydrochloride
Molecular Formula: C11H12N2O2.HCl
Molecular Weight: 240.69
Percent Composition: C 54.89%, H 5.44%, N 11.64%, O 13.29%, Cl 14.73%
Properties: Needles from methanol, dec 251°.
 
Use: Probe for studying protein structure and dynamics.
Therap-Cat: In treatment of depression, schizophrenia and other neuropsychiatric disorders.
Keywords: Antidepressant.