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CAS No 556-27-4 , L-Cysteine,S-2-propen-1-yl-, S-oxide, [S(S)]-

  • Name: L-Cysteine,S-2-propen-1-yl-, S-oxide, [S(S)]-
  • Synonyms: L-Alanine, 3-[(S)-2-propenylsulfinyl]- (9CI); Alanine, 3-(allylsulfinyl)-, (S)-L- (8CI);L-Cysteine,S-2-propen-1-yl-, S-oxide, [S(S)]-;(+)-L-Alliin; L-Alanine,3-(2-propenylsulfinyl)-, (S)-; Alliin; S-Allyl-L-cysteine-(+)-sulfoxide;Alanine,3-(allylsulfinyl)- (7CI);
  • CAS Registry Number:
  • Melting Point: 165
  • Density: 1.354 g/cm3
  • Refractive index: 1.579
  • Safety Statements: 26
  • Hazard Symbols: Xi: Irritant;
  • EINECS: 209-118-9
  • Molecular Weight: 177.2214
  • InChI: InChI=1/C6H11NO3S/c1-2-3-11(10)4-5(7)6(8)9/h2,5H,1,3-4,7H2,(H,8,9)/t5-,11?/m0/s1
  • Risk Statements: R36/37/38
  • Molecular Formula: C6H11 N O3 S
  • Molecular Structure:CAS No:556-27-4 L-Cysteine,S-2-propen-1-yl-, S-oxide, [S(S)]-

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References of L-Cysteine,S-2-propen-1-yl-, S-oxide, [S(S)]-
Title: Alliin
CAS Registry Number: 556-27-4
CAS Name: 3-[(S)-2-Propenylsulfinyl]-L-alanine
Synonyms: 3-((S)-allylsulfinyl)-L-alanine; S-allyl-L-cysteine sulfoxide
Molecular Formula: C6H11NO3S
Molecular Weight: 177.22
Percent Composition: C 40.66%, H 6.26%, N 7.90%, O 27.08%, S 18.09%
Literature References: Constituent of garlic, Allium sativum L., Liliaceae; also found in other Allium spp. Degraded by alliinase to produce the garlic flavor component, allicin, q.v. Isoln: Stoll, Seebeck, Helv. Chim. Acta 31, 189 (1948). Synthesis: eidem, Experientia 6, 330 (1950); Helv. Chim. Acta 34, 481 (1951). Extraction from Allium plants and LC determn: E. Mochizuki et al., J. AOAC Int. 80, 1052 (1997). In vitro immunomodulatory effects on peripheral blood cells: H. Salman et al., Int. J. Immunopharmacol. 21, 589 (1999). Biosynthesis in garlic tissue cultures: J. Hughes et al., Phytochemistry 66, 187 (2005).
Properties: Hemihydrate, odorless, bunched needles from dil acetone, mp 164-166° (effervescence). [a]D20 +63.5° (c = 2). Freely sol in water. Practically insol in abs ethanol, chloroform, acetone, ether, benzene.
Melting point: mp 164-166° (effervescence)
Optical Rotation: [a]D20 +63.5° (c = 2)