sweeteners of D-Thr...

sweeteners of D-Threonine 632-20-2 in China

sweeteners of D-Threonine 632-20-2 in China

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25 Kilogram

FOB Price: USD 1.0000

  • Min.Order :25 Kilogram
  • Purity: 99%
  • Payment Terms : L/C,D/A,D/P,T/T,

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D-Threonine 632-20-2 D-Threonine in China sweeteners of 632-20-2

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  • Appearance:Details see COA
  • Application:Pharmaceuticals/Nutrition supplement
  • PackAge:25kg/drum
  • ProductionCapacity:10|Metric Ton|Quarter
  • Storage:Store in dry,dark,cool place
  • Transportation:Sea/Air/Express

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sweeteners of D-Threonine 632-20-2 in China

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D-Threonine Basic information
Product Name: D-Threonine
Synonyms: (r)-threonine;d-threonin;D-α-Amino-β-hydroxybutyric acid ;D-THREONINE, 98% (99% EE/GLC);D-THREONINE, FREE OF ALLOTHREONINE;D-Threonine,>99%;D-THREONINE extrapure;(2R,3S)-2-Amino-3-hydroxybutyric acid, D-α-Amino-β-hydroxybutyric acid
CAS: 632-20-2
MF: C4H9NO3
MW: 119.12
EINECS: 211-171-8
Product Categories: Amino ACIDS SERIES;Miscellaneous;PROTECTED AMINO ACID & PEPTIDES;Threonine [Thr, T];Amino Acids and Derivatives;alpha-Amino Acids;Amino Acids;Biochemistry;Amino Acids;amino acid;amino
Mol File: 632-20-2.mol
D-Threonine Structure
 
D-Threonine Chemical Properties
Melting point  274 °C
alpha  28 º (c=6, water)
Boiling point  222.38°C (rough estimate)
density  1.3126 (rough estimate)
refractive index  28 ° (C=3, H2O)
storage temp.  Store at RT.
solubility  H2O: soluble
form  Crystals or Crystalline Powder
color  White
Water Solubility  soluble
Merck  9380
BRN  1721643
InChIKey AYFVYJQAPQTCCC-STHAYSLISA-N
CAS DataBase Reference 632-20-2(CAS DataBase Reference)
 
Safety Information
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  24/25-37/39-26
WGK Germany  3
RTECS  XO8580000
HS Code  29225000

 

Details:

D-Threonine Usage And Synthesis
Description D-threonine is the D-form of threonine, which is a kind of amino acids. It can be used for the preparation of enantiomerically pure 1, 3-butanediol. It is also used as the intermediate during the preparation of chiral compounds such as antibiotics. D-threonine is an effective chiral pool reagent which contains an extra stereo-center. For example, people has recently used it as the starting material for total synthesis of protected legionaminic acid.
Chemical Properties white crystalline powder or crystals
Uses A steroisomer of the proteinogenic amino acid L-threonine.
Definition ChEBI: An optically active form of threonine having D-configuration.
References #
Ikemi, Masahisa, et al. "D-Threonine Aldolase and Its Application to D -β-Hydroxy-£-Amino Acid Synthesis." (1992).
Paek SM, et al. "Recent Advances in Substrate-Controlled Asymmetric Induction Derived from Chiral Pool α-Amino Acids for Natural Product Synthesis." Molecules 21.7(2016):951.
D-Threonine Preparation Products And Raw materials
Raw materials Chloroacetyl chloride-->DL-Threonine-->AMINOACYLASE
Preparation Products (2S,3S)-2-Amino-3-methylpentanoic acid-->Cefbuperazone
 

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