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CAS No 672-15-1 , (2S)-2-amino-4-hydroxybutanoic acid

  • Name: (2S)-2-amino-4-hydroxybutanoic acid
  • Synonyms: h-hoser-oh; 672-15-1; homoserine; Homoserine (VAN); 2-Amino-4-hydroxybutyric acid;L-homoserine; (s)-homoserine; (S)-2-Amino-4-hydroxybutyric acid;(2S)-2-amino-4-hydroxybutanoic acid;
  • CAS Registry Number:
  • Melting Point: 203 ºC
  • Alpha: -8.5 º (C=2, H2O 22 ºC)
  • Water Solubility: 1100 G/L (30 ºC)
  • Safety Statements: S24/25
  • HS Code: 29225000
  • EINECS: 211-590-6
  • Molecular Weight: 119.11916
  • InchiKey: UKAUYVFTDYCKQA-VKHMYHEASA-N
  • InChI: InChI=1S/C4H9NO3/c5-3(1-2-6)4(7)8/h3,6H,1-2,5H2,(H,7,8)/t3-/m0/s1
  • Risk Statements: S24/25
  • Molecular Formula: C4H9NO3
  • Molecular Structure:CAS No:672-15-1 (2S)-2-amino-4-hydroxybutanoic acid

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References of (2S)-2-amino-4-hydroxybutanoic acid
Title: Homoserine
CAS Registry Number: 672-15-1
Synonyms: 2-Amino-4-hydroxybutanoic acid; 2-amino-4-hydroxybutyric acid; a-amino-g-hydroxy-n-butyric acid
Molecular Formula: C4H9NO3
Molecular Weight: 119.12
Percent Composition: C 40.33%, H 7.62%, N 11.76%, O 40.29%
Literature References: Principal free amino acid occurring in pea plants: A. I. Virtanen, Acta Chem. Scand. 7, 1423 (1953); J.A. Bakhuis, Nature 180, 713 (1957). Prepn: Fischer, Blumenthal, Ber. 40, 106 (1907); Armstrong J. Am. Chem. Soc. 70, 1756 (1948); Birnbaum, Greenstein, Arch. Biochem. Biophys. 42, 212 (1953); M. Frankel, Y. Knobler, J. Am. Chem. Soc. 80, 3147 (1958). Review of homoserine production by fermentation: T. Nara in Microbial Prod. Amino Acids, K. Yamada, Ed. (Wiley, New York, 1972) pp 417-434.
 
Derivative Type: L-Homoserine
Properties: Flat prisms from 90% alc. Dec 203°. [M]D +21.8° (5N HCl), [M]D +14.3° (glacial acetic acid). [a]D26 -8.8° (c = 5 in H2O); [a]D26 +18.3° (c = 2 in 2N HCl). On standing for 8 hrs at 26° the [a]D of the HCl soln decreases to nearly zero as the corresponding levorotatory-g-butyrolactone is formed.
Optical Rotation: [a]D26 -8.8° (c = 5 in H2O); [a]D26 +18.3° (c = 2 in 2N HCl)
 
Derivative Type: L-Homoserine g-lactone monohydrochloride
Properties: Prepd by refluxing L-homoserine with 2N HCl for 2 hrs, crystals, [a]D26 -27.0° (c = 5).
Optical Rotation: [a]D26 -27.0° (c = 5)
 
Derivative Type: D-Homoserine
Properties: Crystals, dec 203°. [a]D26 +8.8° (c = 5).
Optical Rotation: [a]D26 +8.8° (c = 5)
 
Derivative Type: DL-Homoserine
Properties: Crystals from dil ethanol, dec 186-187°.