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D(-)-allo-Threonine

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Products Intro: Product Name:H-D-allo-Thr-OH
CAS:24830-94-2
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D(-)-allo-Threonine Basic information
Description References
Product Name:D(-)-allo-Threonine
Synonyms:(r)-allothreonine;Allothreonine, D-;d-allothreonin;(2R,3S)-2-Amino-3-hydroxybutyric acid~H-D-Thr-OH;(2S,3S)-2-amino-3-hydroxy-butanoic acid;D(-)-allo-Threonine,99%;(2R,3R)-(-)-ALLO-THREONINE;(2R,3R)-(-)-2-AMINO-3-HYDROXYBUTYRIC ACID
CAS:24830-94-2
MF:C4H9NO3
MW:119.12
EINECS:246-488-0
Product Categories:Threonine [Thr, T];Amino Acids
Mol File:24830-94-2.mol
D(-)-allo-Threonine Structure
D(-)-allo-Threonine Chemical Properties
Melting point 276 °C (dec.)(lit.)
alpha -33.5 º (c=1, 1N HCl 24 ºC)
Boiling point 222.38°C (rough estimate)
density 1.3126 (rough estimate)
refractive index -10 ° (C=5, H2O)
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility Water (Slightly)
form Solid
pka2.19±0.10(Predicted)
color White to Off-White
Water Solubility soluble
BRN 1721644
InChIKeyAYFVYJQAPQTCCC-PWNYCUMCSA-N
CAS DataBase Reference24830-94-2(CAS DataBase Reference)
NIST Chemistry ReferenceD-allothreonine(24830-94-2)
Safety Information
Safety Statements 24/25
WGK Germany 3
RTECS BA4050000
HS Code 29225090
Toxicityrat,LD50,intraperitoneal,6910mg/kg (6910mg/kg),BEHAVIORAL: MUSCLE CONTRACTION OR SPASTICITY)LUNGS, THORAX, OR RESPIRATION: DYSPNEA,Archives of Biochemistry and Biophysics. Vol. 64, Pg. 319, 1956.
MSDS Information
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D(-)-allo-Threonine English
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D(-)-allo-Threonine Usage And Synthesis
DescriptionD(-)-allo-Threonine is an isomer of threonine. It is found as a constituent of an increasing group of biologically active peptides. Stereocontrolled syntheses of chiral and racemic key intermediates to thienamycin can be achieved from d-allo-threonine and trans-crotonic acid. 
Referenceshttps://www.alfa.com/en/catalog/H27050/
http://www.sigmaaldrich.com/catalog/product/sigma/t9643?lang=en&region=US
Chemical Propertieswhite crystalline powder
UsesThey are found as constituents of an increasing group of biologically active peptides. Stereocontrolled syntheses of chiral and racemic key intermediates to thienamycin from d-allo-threonine and trans-crotonic acid.
DefinitionChEBI: D-allothreonine is the D-enantiomer of allothreonine. It occurs as a component of peptido-lipids in certain bacteria. It has a role as a bacterial metabolite. It is an allothreonine and a D-alpha-amino acid. It is an enantiomer of a L-allothreonine. It is a tautomer of a D-allothreonine zwitterion.
Purification MethodsRecrystallise D-allothreonine from aqueous EtOH or 50% EtOH. [Elliot J Chem Soc 62 1950, Birnbaum et al. J Biol Chem 194 455 1952, IR: Greenstein & Winitz The Chemistry of the Amino Acids J. Wiley, Vol 3 1961, Beilstein 4 IV 3170.]
D(-)-allo-Threonine Preparation Products And Raw materials
Raw materialsMethanol-->Acetic acid-->Salicylaldehyde-->L-Alanine-->L-Threonine
Tag:D(-)-allo-Threonine(24830-94-2) Related Product Information
3-Hydroxybutyric acid DL-4-Amino-3-hydroxybutyric acid Glycine D-3-HYDROXYBUTYRATE DEHYDROGENASE L-Threonine 4-Aminobutyric acid ALTRENOGEST (2S,3S)-(+)-ALLO-THREONINE,ALLO-THREONINE,ALLO-THREONINE(TBU)-OH,L-ALLO-THREONINE,L(+)-ALLO-THREONINE,O-T-BUTYL-L-ALLO-THREONINE,H-allo-Thr-OH(L-Allo-Threonine) DL-ALLO-THREONINE D-beta-Hydroxyvaline (2R,3R)-2-Amino-3-methyloxybutanoic acid 3-hydroxybutyric acid Ammonia (2R,3R)/(2S,3S)-RACEMIC FMOC-BETA-HYDROXY-PHENYLALANINE DL-ERYTHRO-3-PHENYLSERINE FMOC-(R)-2-AMINO-3-HYDROXY-3-METHYLBUTANOIC ACID ETHYL-D-ERYTHRO-SPHINGOSINATE HYDROCHLORIDE N-BOC-(R)-2-AMINO-3-HYDROXY-3-METHYLBUTANOIC ACID