levetiracetam
It is a biologically active (S)-enantiomer of Etiracetam which is used in the treatment of epilepsy. It is an effective medicine in treating other psychiatric and neurologic conditions. Reference standards of Levetiracetam API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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[pname] => Levetiracetam
[catalogue_number] => PA 12 10000
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[chemical_name] =>
[weight] => 170.21
[form] => C8H14N2O2
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Catalogue No.:PA 12 10000
Molecular Formula : C8H14N2O2
Molecular Weight : 170.21
stdClass Object
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[pname] => Levetiracetam - Impurity A
[catalogue_number] => PA 12 10010
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[weight] => 171.19
[form] => C8H13NO3
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Levetiracetam - Impurity A
Catalogue No.:PA 12 10010
Molecular Formula : C8H13NO3
Molecular Weight : 171.19
stdClass Object
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[pname] => Levetiracetam - Impurity B
[catalogue_number] => PA 12 10020
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[weight] => 168.19
[form] => C8H12N2O2
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Levetiracetam - Impurity B
Catalogue No.:PA 12 10020
Molecular Formula : C8H12N2O2
Molecular Weight : 168.19
stdClass Object
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[catalogue_number] => PA 12 10040
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[form] => C8H14N2O2
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Levetiracetam - Impurity D
Catalogue No.:PA 12 10040
Molecular Formula : C8H14N2O2
Molecular Weight : 170.21
stdClass Object
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[pname] => Levetiracetam Racemic Mixture
[catalogue_number] => PA 12 10530
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[weight] => 170.21
[form] => C8H14N2O2
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Levetiracetam Racemic Mixture
Catalogue No.:PA 12 10530
Molecular Formula : C8H14N2O2
Molecular Weight : 170.21
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[pname] => Levetiracetam Carboxylic Acid
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[form] => C8H13NO3
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Levetiracetam Carboxylic Acid
Catalogue No.:PA 12 10540
Molecular Formula : C8H13NO3
Molecular Weight : 171.19
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[pname] => N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide
[catalogue_number] => PA 12 10550
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[weight] => 206.67
[form] => C8H15ClN2O2
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N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide
Catalogue No.:PA 12 10550
Molecular Formula : C8H15ClN2O2
Molecular Weight : 206.67
stdClass Object
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Catalogue No.:PA 12 10560
Molecular Formula : C8H13NO3
Molecular Weight : 171.19
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(S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate
Catalogue No.:PA 12 10580
Molecular Formula : C9H15NO3
Molecular Weight : 185.22
stdClass Object
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Catalogue No.:PA STI 056450
Molecular Formula : C8H11D3N2O2
Molecular Weight : 173.23
stdClass Object
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[pname] => Levetiracetam-d6
See L331502
[catalogue_number] => PA STI 056460
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[weight] => 176.25
[form] => C8H8D6N2O2
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Levetiracetam-d6
See L331502
Catalogue No.:PA STI 056460
Molecular Formula : C8H8D6N2O2
Molecular Weight : 176.25
stdClass Object
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[catalogue_number] => PA 12 0101011
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[weight] => 217.23
[form] => C8H15N3O4
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(S)-N-(1-Amino-1-oxobutan-2-yl)-4-hydroxy-N-nitrosobutanamide
Catalogue No.:PA 12 0101011
Molecular Formula : C8H15N3O4
Molecular Weight : 217.23
stdClass Object
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[pname] => (2S)-2-(3-Chloro-2-oxopyrrolidin-1-yl)butanamide
[catalogue_number] => PA 12 0101012
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[weight] => 204.65
[form] => C8H13ClN2O2
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(2S)-2-(3-Chloro-2-oxopyrrolidin-1-yl)butanamide
Catalogue No.:PA 12 0101012
Molecular Formula : C8H13ClN2O2
Molecular Weight : 204.65
stdClass Object
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[catalogue_number] => PA 12 0101013
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[weight] => 152.2
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(S)-2-(2-Oxopyrrolidin-1-yl)butanenitrile
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[weight] => 199.25
[form] => C10H17NO3
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Ethyl 2-(2-oxopyrrolidin-1-yl)butanoate
Catalogue No.:PA 12 0101014
Molecular Formula : C10H17NO3
Molecular Weight : 199.25
stdClass Object
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[weight] => 213.28
[form] => C11H19NO3
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Isopropyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate
Catalogue No.:PA 12 0101015
Molecular Formula : C11H19NO3
Molecular Weight : 213.28
stdClass Object
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[catalogue_number] => PA 12 0101016
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[weight] => 218.21
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4-((1-Carboxypropyl)(nitroso)amino)butanoic Acid
Catalogue No.:PA 12 0101016
Molecular Formula : C8H14N2O5
Molecular Weight : 218.21
stdClass Object
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[catalogue_number] => PA 12 0101017
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[chemical_name] =>
[weight] => 235.67
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(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chloro-N-nitrosobutanamide
Catalogue No.:PA 12 0101017
Molecular Formula : C8H14ClN3O3
Molecular Weight : 235.67
stdClass Object
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(S)-2-(Methylamino)butanamide
Catalogue No.:PA 12 0101018
Molecular Formula : C5H12N2O
Molecular Weight : 116.16
stdClass Object
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[catalogue_number] => PA 12 0101019
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[weight] => 130.19
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(S)-2-(Dimethylamino)butanamide
Catalogue No.:PA 12 0101019
Molecular Formula : C6H14N2O
Molecular Weight : 130.19
stdClass Object
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[catalogue_number] => PA 12 0101021
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[weight] => 184.24
[form] => C9H16N2O2
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2-(2-Oxopiperidin-1-yl)butanamide
Catalogue No.:PA 12 0101021
Molecular Formula : C9H16N2O2
Molecular Weight : 184.24
stdClass Object
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[pname] => (Ethyl carbonic) 2-(2-oxopyrrolidin-1-yl)butanoic Anhydride
[catalogue_number] => PA 12 0101022
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[chemical_name] =>
[weight] => 243.26
[form] => C11H17NO5
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(Ethyl carbonic) 2-(2-oxopyrrolidin-1-yl)butanoic Anhydride
Catalogue No.:PA 12 0101022
Molecular Formula : C11H17NO5
Molecular Weight : 243.26
stdClass Object
(
[pname] => 2-(2-Oxopyrrolidin-1-yl)butanoic Anhydride
[catalogue_number] => PA 12 0101023
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[chemical_name] =>
[weight] => 324.38
[form] => C16H24N2O5
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2-(2-Oxopyrrolidin-1-yl)butanoic Anhydride
Catalogue No.:PA 12 0101023
Molecular Formula : C16H24N2O5
Molecular Weight : 324.38
