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CAS No 63-84-3 , 2-amino-3-(3,4-dihydroxyphenyl)propanoic acid

  • Name: 2-amino-3-(3,4-dihydroxyphenyl)propanoic acid
  • Synonyms: DL-DOPA; DL-3,4-Dopa; 3-Hydroxy-DL-tyrosine; dihydroxyphenylalanine;2-amino-3-(3,4-dihydroxyphenyl)propanoic acid; DL-Dihydroxyphenylalanine; 3-Hydroxytyrosine; DL-Dioxyphenylalanine; 63-84-3;
  • CAS Registry Number:
  • Melting Point: 270-272 °C(lit.)
  • Density: 1.468 g/cm3
  • Safety Statements: S26S36
  • Hazard Symbols: Xi
  • EINECS: 200-566-0
  • Molecular Weight: 197.18794
  • InchiKey: WTDRDQBEARUVNC-UHFFFAOYSA-N
  • InChI: InChI=1S/C9H11NO4/c10-6(9(13)14)3-5-1-2-7(11)8(12)4-5/h1-2,4,6,11-12H,3,
    10H2,(H,13,14)
  • Risk Statements: 36/37/38
  • Molecular Formula: C9H11NO4
  • Molecular Structure:CAS No:63-84-3 2-amino-3-(3,4-dihydroxyphenyl)propanoic acid

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References of 2-amino-3-(3,4-dihydroxyphenyl)propanoic acid
Title: Dopa
CAS Name: 3-Hydroxytyrosine
Synonyms: 3-(3,4-dihydroxyphenyl)alanine; b-(3,4-dihydroxyphenyl)-a-alanine; 2-amino-3-(3,4-dihydroxyphenyl)propanoic acid
Molecular Formula: C9H11NO4
Molecular Weight: 197.19
Percent Composition: C 54.82%, H 5.62%, N 7.10%, O 32.45%
Literature References: An amino acid found in seedlings, pods and beans of Vicia faba L. (broad beans) Stizolobium deeringianum L. (velvet beans) Leguminosae: Torquati, Arch. farm. sper. 15, 213, 308 (1913), C.A. 7, 2774 (1913); Sealock, Biochemical Preparations vol. 1, 25 (1949). Absolute configuration: Guggenheim, Z. Physiol. Chem. 88, 276 (1913). Prepn of DL-, D-, and L-dopa: Yamada et al., Chem. Pharm. Bull. 10, 693 (1962).
 
Derivative Type: DL-Form
CAS Registry Number: 63-84-3
Properties: Prisms from water or from aq NaHSO3 soln, dec 270-272°. Soly in water: 144 mg/40 ml. Readily sol in dil acids and alkalies; slightly sol in benzene, carbon disulfide. Practically insol in abs alcohol, ether, glacial acetic acid, petr ether, chloroform. Oxidizes readily.
 
Derivative Type: D-Form
CAS Registry Number: 5796-17-8
Properties: Needles from water, dec 276-278°. [a]D11 +13.0° (c = 5.27 in 1N HCl). Soly in water: 66 mg/40 ml.
Optical Rotation: [a]D11 +13.0° (c = 5.27 in 1N HCl)
 
Derivative Type: L-Form see Levodopa