Levetiracetam impurity B

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Names

[ CAS No. ]:
358629-47-7

[ Name ]:
Levetiracetam impurity B

[Synonym ]:
UNII-M64Y2GM5FI
2-(2-Oxo-pyrrolidin-1-yl)-but-2-eno
Levetiracetam specified impurity B [EP]
2-(2-Oxopyrrolidin-1-yl)but-2-enamide,(2Z)
(2Z)-2-(2-Oxo-1-pyrrolidinyl)-2-butenamide
Levetiracetam impurity B
1-Pyrrolidineacetamide, α-ethylidene-2-oxo-, (αZ)-

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
443.0±28.0 °C at 760 mmHg

[ Molecular Formula ]:
C8H12N2O2

[ Molecular Weight ]:
168.193

[ Flash Point ]:
221.7±24.0 °C

[ Exact Mass ]:
168.089874

[ PSA ]:
64.39000

[ LogP ]:
-0.42

[ Vapour Pressure ]:
0.0±1.1 mmHg at 25°C

[ Index of Refraction ]:
1.553

Safety Information

[ HS Code ]:
2933790090

Customs

[ HS Code ]: 2933790090

[ Summary ]:
2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Related Compounds

  • Levetiracetam Impurity F
  • Levetiracetam impurity 5
  • LevetiracetaM Impurity 3
  • Levetiracetam impurity 1
  • LevetiracetaM IMpurity 4
  • Levetiracetam impurity 2
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1,2,3-thiadiazol-4-ylmethyl)cycloheptanamine
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • 4-chloro-N'-(1-(2,4-dimethylphenyl)-1H-pyrazolo[3,4-d]pyrimidin-4-yl)benzohydrazide
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde
  • tert-Butyl-DL-alanine