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L-allothreonine

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Origin: China

Cas No: 28954-12-3

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 50 mt/month

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  • Products Specification
  • Product Description
  • Property

    CAS No.: 28954-12-3 Formula: C4H9NO3 Molecular Weight: 119.11900

    Description

    L-allo-Threonine is a reactant used in the synthesis of an antibiotic, globomycin, and its congener, SF-1902 A5.

    Basic Info

    Chemical Name L-allothreonine
    Synonyms

    DL-allo-Threonine;
    (2S,3S)-2-Amino-3-hydroxybutyric acid;
    H-allo-Thr-OH;
    allo-L-Threonine;
    L(+)-allo-Threonine;
    (2S,3S)-2-amino-3-hydroxybutanoic acid;
    Allo-Thr-OH;
    L-Allothreonine;

    CAS No. 28954-12-3
    Molecular Formula C4H9NO3
    Molecular Weight 119.11900
    PSA 83.55000
    LogP -0.52060

    Properties

    Appearance & Physical State White fine crystals
    Density 1.307 g/cm3
    Boiling Point 345.8ºC at 760 mmHg
    Melting Point 272ºC (dec.)
    Flash Point 162.9ºC
    Storage Condition Store at RT.

    Safety Info

    Safety Statements S24/25
    HS Code 2922509090

    Synthesis Route

    acetaldehydeL-allothreonine+L-threonine
    acetaldehyde+GlycineD-threonine+Allothreonine, D-
    acetaldehyde+GlycineL-allothreonine+L-threonine

    Precursor

    (4S,5S)-2-(3,4-Dihydroxybenzoyl)-5-methyl-2-oxazoline-4-carboxylic acid

    Downstream Product

    (R)-Butane-1,2-diol
    N,N-Dimethyl-L-allothreonine
    (S)-butane-1,3-diol

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