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Brivaracetam Impurity B

Product Name
Brivaracetam Impurity B
CAS No.
943986-67-2
Chemical Name
Brivaracetam Impurity B
Synonyms
Brivaracetam acid;Brivaracetam Impurity H;Brivaracetam impuroty B;Brivaracetam Impurity 31;Brivaracetam Imp-A/Acid Imp;Brivaracetam Carboxylic Acid Metabolite;Brivaracetam Carboxylic acid metabolite [UCB 42145];(S)-2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanoic acid;(αS,4R)-α-Ethyl-2-oxo-4-propyl-1-pyrrolidineacetic acid;1-Pyrrolidineacetic acid, α-ethyl-2-oxo-4-propyl-, (αS,4R)-
CBNumber
CB63127061
Molecular Formula
C11H19NO3
Formula Weight
213.28
MOL File
943986-67-2.mol
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Brivaracetam Impurity B Property

Melting point:
83 - 87°C
Boiling point:
388.6±25.0 °C(Predicted)
Density 
1.101±0.06 g/cm3(Predicted)
storage temp. 
Refrigerator, under inert atmosphere
solubility 
Chloroform (Slightly)
pka
3.76±0.10(Predicted)
form 
Solid
color 
White to Off-White
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Hazard and Precautionary Statements (GHS)

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Brivaracetam Impurity B Chemical Properties,Usage,Production

Uses

(αS,4R)-α-Ethyl-2-oxo-4-propyl-1-pyrrolidineacetic Acid is a impurity of Brivaracetam (B677645) which is a 4-n-propyl analog of levetiracetam (L331500), and a racetam derivative with anticonvulsant properties.

Brivaracetam Impurity B Preparation Products And Raw materials

Raw materials

Preparation Products

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Brivaracetam Impurity B Suppliers

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943986-67-2, Brivaracetam Impurity BRelated Search:

Brivaracetam Impurity 12 (R)-4-Propyldihydrofuran-2(3H)-one Brivaracetam (R)-2-(2-(tert-butoxy)-2-oxoethyl)pentanoic acid Brivaracetam Impurity 11 Brivaracetam (alfaR, 4R)-Isomer Brivaracetam Impurity 9 tert-butyl (R)-3-(hydroxymethyl)hexanoate (4S)-BrivaracetaM Brivaracetam (alfaR, 4S)-Isomer (R)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide Brivaracetam Impurity 5 (R)-Ethyl 3-(bromomethyl)hexanoate Brivaracetam Impurity 10 Brivaracetam Impurity 14 (Z)-2-propylhept-2-enal

  • Brivaracetam Impurity 31
  • (S)-2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanoic acid
  • 1-Pyrrolidineacetic acid, α-ethyl-2-oxo-4-propyl-, (αS,4R)-
  • (αS,4R)-α-Ethyl-2-oxo-4-propyl-1-pyrrolidineacetic Acid (~85:15 d.r.)
  • Brivaracetam acid
  • Brivaracetam Impurity H
  • Brivaracetam Imp-A/Acid Imp
  • Brivaracetam Carboxylic acid metabolite [UCB 42145]
  • Brivaracetam impuroty B
  • Brivaracetam Carboxylic Acid Metabolite
  • (αS,4R)-α-Ethyl-2-oxo-4-propyl-1-pyrrolidineacetic acid
  • 943986-67-2