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CAS No 462-10-2 , 2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid

  • Name: 2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid
  • Synonyms: HOMOCYSTINE; CHEBI:17485; NSC11337; Oxidized DL-Homocysteine;DL-Homocystine; NSC226570; 870-93-9; L-Homocystine; 462-10-2;2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid;
  • CAS Registry Number:
  • Melting Point: 281-284 ºC (DEC.)
  • Density: 1.444 g/cm3
  • Refractive index: 1.619
  • Alpha: 77 º (C=1%,1N HCL)
  • Safety Statements: S22;S24/25
  • EINECS: 207-323-8
  • Molecular Weight: 268.35364
  • InchiKey: ZTVZLYBCZNMWCF-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H16N2O4S2/c9-5(7(11)12)1-3-15-16-4-2-6(10)8(13)14/h5-6H,1-4,
    9-10H2,(H,11,12)(H,13,14)
  • Risk Statements: S22;S24/25
  • Molecular Formula: C8H16N2O4S2
  • Molecular Structure:CAS No:462-10-2 2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid

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References of 2-amino-4-[(3-amino-3-carboxypropyl)disulfanyl]butanoic acid
Title: Homocystine
CAS Registry Number: 462-10-2
CAS Name: 4,4￠-Dithiobis[2-aminobutanoic acid]
Synonyms: 4,4￠-dithiobis[2-aminobutyric acid]
Molecular Formula: C8H16N2O4S2
Molecular Weight: 268.35
Percent Composition: C 35.81%, H 6.01%, N 10.44%, O 23.85%, S 23.90%
Literature References: Synthesis by the "malonate" method: Patterson, du Vigneaud, J. Biol. Chem. 111, 393 (1935); Shiroishi et al., Rep. Food Res. Inst. (Tokyo) 5, 75 (1951); du Vigneaud, Brown, Biochem. Prep. 5, 93 (1957); from 3,6-bis(b-chloroethyl)-2,5-dioxopiperazine: Snyder, Cannon, J. Am. Chem. Soc. 66, 511 (1944).
 
Derivative Type: DL-Form
Properties: Platelets from water, dec 263-265°. pK1 1.59; pK2 2.54; pK3 8.52; pK4 9.44.
pKa: pK1 1.59; pK2 2.54; pK3 8.52; pK4 9.44
 
Derivative Type: L-Form
Properties: Crystals, dec 281-284°. [a]D21 -16° (H2O); [a]D26 +79° (1.0N HCl).
Optical Rotation: [a]D21 -16° (H2O); [a]D26 +79° (1.0N HCl)
 
Derivative Type: D-Form
Properties: Crystals, dec 281-284°. [a]D21 +16° (H2O); [a]D26 -79° (1.0N HCl).
Optical Rotation: [a]D21 +16° (H2O); [a]D26 -79° (1.0N HCl)