Synonyms
L-Threonine, PharmaGrade, Ajinomoto, EP, JP, USP, manufactured under appropriate GMP controls for Pharma or Biopharmaceutical production, suitable for cell culture; CAS-72-19-5; Certified Reference Material; L-2-Amino-3-hydroxybutyric acid; KS-00000AAW; UNII-TFM6DU5S6A component AYFVYJQAPQTCCC-GBXIJSLDSA-N; L-(U-14C)Threonine; Treonina; 2-Amino-3-hydroxybutanoate; [R-(R*,S*)]-2-Amino-3-hydroxybutanoic acid;
IUPAC Name
(2S,3R)-2-amino-3-hydroxybutanoic acid;
Molecular Weight
119.12g/mol
Molecular Formula
C4H9NO3;C4H9NO3;
InChI
InChI=1S/C4H9NO3/c1-2(6)3(5)4(7)8/h2-3,6H,5H2,1H3,(H,7,8)/t2-,3+/m1/s1;
InChI Key
AYFVYJQAPQTCCC-GBXIJSLDSA-N;
Melting Point
256 deg C (decomposes);256°C;
Solubility
0.98 M;Insoluble in ethanol, ethyl ether, chloroform;Insoluble in common neutral solvents;In water, 9.70X10+4 mg/L at 25 deg C;97.0 mg/mL;
Storage
Store at RT.
Color Form
Colorless crystals;Crystals;
Complexity
93.3
Covalently-Bonded Unit Count
1
Decomposition
When heated to decomposition it emits toxic fumes of /nitric oxide/.;
Defined Atom Stereocenter Count
2
EC Number
200-774-1
Exact Mass
119.058g/mol
H-Bond Acceptor
4
H-Bond Donor
3
Heavy Atom Count
8
Monoisotopic Mass
119.058g/mol
NSC Number
760118
Other Experimental
Orthorhombic crystals, decomposes at 229-230 deg C /Threonine, DL-form hemihydrate/;MP: 228-229 deg C with decomposition (dl-threonine); 255-275 deg C with decomposition (l(-)-threonine) (naturally occurring); 250-252 deg C (dl-allo-threonine);IR: 21020 (Coblentz Society Spectral Collection) /Threonine (DL)/;UV: 1-34 (Organic Electronic Spectral Data, Phillips et al, John Wiley & Sons, New York) /Threonine (DL)/;1H NMR: 8212 (Sadtler Research Laboratories spectral collection) /Threonine (DL)/;13C NMR: 87 (Johnson and Jankowski, Carbon-13 NMR Spectra, John Wiley & Sons, New York) /Threonine (DL)/;MASS: 60 (Aldermaston, Eight Peak Index of Mass Spectra, U.K.) /Threonine (DL)/;IR: 18771 (Coblentz Society Spectral Collection) /Threonine (D)/;MASS: 60 (Aldermaston, Eight Peak Index of Mass Spectra, U.K.) /Threonine (D)/;Henry's Law constant = 7.24X10-14 atm-cu m/mol at 25 deg C (est);Hydroxyl radical reaction rate constant = 4.68X10-11 cu cm/molec-sec at 25 deg C (est);
Rotatable Bond Count
2
Topological Polar Surface Area
83.6A^2
UNII
2ZD004190S
Vapor Pressure
1.32X10-8 mm Hg at 25 deg C (est);
