Levetiracetam-impurities | Pharmaffiliates

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.

stdClass Object
(
    [pname] => Levetiracetam - API Standards 
    [catalogue_number] => PA 12 10000
    [category_ids] => ,79,69,71,78,70,82,
    [chemical_name] => 
    [weight] => 170.21
    [form] => C8H14N2O2
    [cas] => 102767-28-2
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PA 12 10000

Levetiracetam - API Standards


  • Catalogue No.:PA 12 10000

  • CAS :

    102767-28-2

  • Molecular Formula : C8H14N2O2

  • Molecular Weight : 170.21

20% OFF
stdClass Object
(
    [pname] => Levetiracetam - Impurity B (Freebase)
    [catalogue_number] => PA 12 10020
    [category_ids] => ,79,69,71,78,70,82,
    [chemical_name] => 
    [weight] => 168.19
    [form] => C8H12N2O2
    [cas] => 358629-47-7
    [pslug] => 358629-47-7-levetiracetam-impurity-b-freebase-pa1210020
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    [offers_product_code] => PA 12 10020
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PA 12 10020

Levetiracetam - Impurity B (Freebase)


  • Catalogue No.:PA 12 10020

  • CAS :

    358629-47-7

  • Molecular Formula : C8H12N2O2

  • Molecular Weight : 168.19

20% OFF
stdClass Object
(
    [pname] => (S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide
    [catalogue_number] => PA 12 10510
    [category_ids] => ,79,69,78,70,82,
    [chemical_name] => 
    [weight] => 206.67
    [form] => C8H15ClN2O2
    [cas] => 102767-31-7
    [pslug] => 102767-31-7-s-n-1-amino-1-oxobutan-2-yl-4-chlorobutanamide-pa1210510
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PA 12 10510

(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide


  • Catalogue No.:PA 12 10510

  • CAS :

    102767-31-7

  • Molecular Formula : C8H15ClN2O2

  • Molecular Weight : 206.67

20% OFF
stdClass Object
(
    [pname] => (R)-Levetiracetam Acid
    [catalogue_number] => PA 12 10560
    [category_ids] => 82,79,78,71,70,69
    [chemical_name] => 
    [weight] => 171.19
    [form] => C8H13NO3
    [cas] => 103833-72-3
    [pslug] => 103833-72-3-levetiracetam-acid-pa1210560
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PA 12 10560

(R)-Levetiracetam Acid


  • Catalogue No.:PA 12 10560

  • CAS :

    103833-72-3

  • Molecular Formula : C8H13NO3

  • Molecular Weight : 171.19

20% OFF
stdClass Object
(
    [pname] => L-Aminobutyric Acid
    [catalogue_number] => PA 12 0101002
    [category_ids] => ,70,75,76,78,82,97,
    [chemical_name] => 
    [weight] => 103.12
    [form] => C4H9NO2
    [cas] => 1492-24-6
    [pslug] => 1492-24-6-l-aminobutyric-acid-pa120101002
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PA 12 0101002

L-Aminobutyric Acid


  • Catalogue No.:PA 12 0101002

  • CAS :

    1492-24-6

  • Molecular Formula : C4H9NO2

  • Molecular Weight : 103.12

stdClass Object
(
    [pname] => 2-Aminobutanamide hydrochloride
    [catalogue_number] => PA 12 0101010
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 138.6
    [form] => C4H11ClN2O
    [cas] => 89603-48-5
    [pslug] => 89603-48-5-2-aminobutanamide-hydrochloride-pa120101010
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PA 12 0101010

2-Aminobutanamide hydrochloride


  • Catalogue No.:PA 12 0101010

  • CAS :

    89603-48-5

  • Molecular Formula : C4H11ClN2O

  • Molecular Weight : 138.6

stdClass Object
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    [pname] => Levetiracetam - Impurity A (Freebase)
    [catalogue_number] => PA 12 10010
    [category_ids] => ,71,93,78,70,82,
    [chemical_name] => 
    [weight] => 171.19
    [form] => C8H13NO3
    [cas] => 67118-31-4
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PA 12 10010

Levetiracetam - Impurity A (Freebase)


  • Catalogue No.:PA 12 10010

  • CAS :

    67118-31-4

  • Molecular Formula : C8H13NO3

  • Molecular Weight : 171.19

stdClass Object
(
    [pname] => Levetiracetam - Impurity D (Freebase)
    [catalogue_number] => PA 12 10040
    [category_ids] => ,71,78,70,82,
    [chemical_name] => 
    [weight] => 170.21
    [form] => C8H14N2O2
    [cas] => 103765-01-1
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PA 12 10040

Levetiracetam - Impurity D (Freebase)


  • Catalogue No.:PA 12 10040

  • CAS :

    103765-01-1

  • Molecular Formula : C8H14N2O2

  • Molecular Weight : 170.21

stdClass Object
(
    [pname] => Levetiracetam Carboxylic Acid
    [catalogue_number] => PA 12 10540
    [category_ids] => 79,69,70,71,78,82
    [chemical_name] => 
    [weight] => 171.19
    [form] => C8H13NO3
    [cas] => 102849-49-0
    [pslug] => 102849-49-0-levetiracetam-carboxylic-acid-pa1210540
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PA 12 10540

Levetiracetam Carboxylic Acid


  • Catalogue No.:PA 12 10540

  • CAS :

    102849-49-0

  • Molecular Formula : C8H13NO3

  • Molecular Weight : 171.19

stdClass Object
(
    [pname] => N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide
    [catalogue_number] => PA 12 10550
    [category_ids] => ,79,69,71,78,70,82,
    [chemical_name] => 
    [weight] => 206.67
    [form] => C8H15ClN2O2
    [cas] => 774604-48-7
    [pslug] => 774604-48-7-n-1-amino-1-oxobutan-2-yl-4-chlorobutanamide-pa1210550
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PA 12 10550

N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide


  • Catalogue No.:PA 12 10550

  • CAS :

    774604-48-7

  • Molecular Formula : C8H15ClN2O2

  • Molecular Weight : 206.67

stdClass Object
(
    [pname] => (S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate
    [catalogue_number] => PA 12 10580
    [category_ids] => ,79,69,71,78,70,82,
    [chemical_name] => 
    [weight] => 185.22
    [form] => C9H15NO3
    [cas] => 358629-51-3
    [pslug] => 358629-51-3-s-methyl-2-2-oxopyrrolidin-1-yl-butanoate-pa1210580
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PA 12 10580

(S)-Methyl 2-(2-oxopyrrolidin-1-yl)butanoate


  • Catalogue No.:PA 12 10580

  • CAS :

    358629-51-3

  • Molecular Formula : C9H15NO3

  • Molecular Weight : 185.22

stdClass Object
(
    [pname] => (S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide-d3
    [catalogue_number] => PA STI 006860
    [category_ids] => ,79,69,78,70,82,98,
    [chemical_name] => 
    [weight] => 209.69
    [form] => C8H12D3ClN2O2
    [cas] => 1795786-85-4
    [pslug] => 1795786-85-4-s-n-1-amino-1-oxobutan-2-yl-4-chlorobutanamide-d3-pasti006860
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PA STI 006860

(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide-d3


  • Catalogue No.:PA STI 006860

  • CAS :

    1795786-85-4

  • Molecular Formula : C8H12D3ClN2O2

  • Molecular Weight : 209.69

stdClass Object
(
    [pname] => (S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide-d6
    [catalogue_number] => PA STI 006870
    [category_ids] => ,79,69,78,70,82,98,
    [chemical_name] => 
    [weight] => 212.71
    [form] => C8H9D6ClN2O2
    [cas] => NA
    [pslug] => s-n-1-amino-1-oxobutan-2-yl-4-chlorobutanamide-d6-pasti006870
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PA STI 006870

(S)-N-(1-Amino-1-oxobutan-2-yl)-4-chlorobutanamide-d6


  • Catalogue No.:PA STI 006870

  • CAS :

    NA

  • Molecular Formula : C8H9D6ClN2O2

  • Molecular Weight : 212.71

stdClass Object
(
    [pname] => (-)-Levetiracetam-d3
    [catalogue_number] => PA STI 056450
    [category_ids] => 69,70,71,78,79,82,98
    [chemical_name] => 
    [weight] => 173.23
    [form] => C8H11D3N2O2
    [cas] => 1217851-16-5
    [pslug] => 1217851-16-5-levetiracetam-d3-pasti056450
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PA STI 056450

(-)-Levetiracetam-d3


  • Catalogue No.:PA STI 056450

  • CAS :

    1217851-16-5

  • Molecular Formula : C8H11D3N2O2

  • Molecular Weight : 173.23

stdClass Object
(
    [pname] => Levetiracetam-d6
See L331502
    [catalogue_number] => PA STI 056460
    [category_ids] => ,79,69,71,98,78,70,82,
    [chemical_name] => 
    [weight] => 176.25
    [form] => C8H8D6N2O2
    [cas] => 1133229-30-7
    [pslug] => 1133229-30-7-levetiracetam-d6
see-l331502-pasti056460
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PA STI 056460

Levetiracetam-d6 See L331502


  • Catalogue No.:PA STI 056460

  • CAS :

    1133229-30-7

  • Molecular Formula : C8H8D6N2O2

  • Molecular Weight : 176.25

stdClass Object
(
    [pname] => Levetiracetam-d6 (2,3,3,4,4,4-butyramide-d6)
    [catalogue_number] => PA STI 088341
    [category_ids] => ,98,78,70,82,
    [chemical_name] => 
    [weight] => 176.25
    [form] => C8H8D6N2O2
    [cas] => 1133229-29-4
    [pslug] => 1133229-29-4-levetiracetam-d6-2-3-3-4-4-4-butyramide-d6-pasti088341
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PA STI 088341

Levetiracetam-d6 (2,3,3,4,4,4-butyramide-d6)


  • Catalogue No.:PA STI 088341

  • CAS :

    1133229-29-4

  • Molecular Formula : C8H8D6N2O2

  • Molecular Weight : 176.25

stdClass Object
(
    [pname] => (Z)-2-(2-Oxopyrrolidin-1-yl)but-2-enoic Acid
    [catalogue_number] => PAI 12 010001
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 169.18
    [form] => C8H11NO3
    [cas] => 358629-39-7
    [pslug] => 358629-39-7-z-2-2-oxopyrrolidin-1-yl-but-2-enoic-acid-pai12010001
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PAI 12 010001

(Z)-2-(2-Oxopyrrolidin-1-yl)but-2-enoic Acid


  • Catalogue No.:PAI 12 010001

  • CAS :

    358629-39-7

  • Molecular Formula : C8H11NO3

  • Molecular Weight : 169.18

stdClass Object
(
    [pname] => 4-Chlorobutanoyl Chloride
    [catalogue_number] => PA 12 0101003
    [category_ids] => ,78,75,70,76,82,
    [chemical_name] => 
    [weight] => 140.99
    [form] => C4H6Cl2O
    [cas] => 4635-59-0
    [pslug] => 4635-59-0-4-chlorobutanoyl-chloride-pa120101003
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PA 12 0101003

4-Chlorobutanoyl Chloride


  • Catalogue No.:PA 12 0101003

  • CAS :

    4635-59-0

  • Molecular Formula : C4H6Cl2O

  • Molecular Weight : 140.99

stdClass Object
(
    [pname] => Ethyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate
    [catalogue_number] => PA 12 0101004
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 199.25
    [form] => C10H17NO3
    [cas] => 358629-53-5
    [pslug] => 358629-53-5-ethyl-s-2-2-oxopyrrolidin-1-yl-butanoate-pa120101004
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PA 12 0101004

Ethyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate


  • Catalogue No.:PA 12 0101004

  • CAS :

    358629-53-5

  • Molecular Formula : C10H17NO3

  • Molecular Weight : 199.25

stdClass Object
(
    [pname] => Isobutyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate
    [catalogue_number] => PA 12 0101005
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 227.3
    [form] => C12H21NO3
    [cas] => 2273884-56-1
    [pslug] => 2273884-56-1-isobutyl-s-2-2-oxopyrrolidin-1-yl-butanoate-pa120101005
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PA 12 0101005

Isobutyl (S)-2-(2-oxopyrrolidin-1-yl)butanoate


  • Catalogue No.:PA 12 0101005

  • CAS :

    2273884-56-1

  • Molecular Formula : C12H21NO3

  • Molecular Weight : 227.3

stdClass Object
(
    [pname] => (S)-2-Amino-N-((R)-1-amino-1-oxobutan-2-yl)butanamide
    [catalogue_number] => PA 12 0101006
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 187.24
    [form] => C8H17N3O2
    [cas] => 1844123-52-9
    [pslug] => 1844123-52-9-s-2-amino-n-r-1-amino-1-oxobutan-2-yl-butanamide-pa120101006
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PA 12 0101006

(S)-2-Amino-N-((R)-1-amino-1-oxobutan-2-yl)butanamide


  • Catalogue No.:PA 12 0101006

  • CAS :

    1844123-52-9

  • Molecular Formula : C8H17N3O2

  • Molecular Weight : 187.24

stdClass Object
(
    [pname] => (R)-N-(1-Amino-1-oxobutan-2-yl)-4-hydroxybutanamide
    [catalogue_number] => PA 12 0101007
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 188.23
    [form] => C8H16N2O3
    [cas] => 1847568-87-9
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PA 12 0101007

(R)-N-(1-Amino-1-oxobutan-2-yl)-4-hydroxybutanamide


  • Catalogue No.:PA 12 0101007

  • CAS :

    1847568-87-9

  • Molecular Formula : C8H16N2O3

  • Molecular Weight : 188.23

stdClass Object
(
    [pname] => (R)-2-Amino-N-((R)-1-amino-1-oxobutan-2-yl)butanamide
    [catalogue_number] => PA 12 0101008
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 187.24
    [form] => C8H17N3O2
    [cas] => 1867585-44-1
    [pslug] => 1867585-44-1-r-2-amino-n-r-1-amino-1-oxobutan-2-yl-butanamide-pa120101008
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PA 12 0101008

(R)-2-Amino-N-((R)-1-amino-1-oxobutan-2-yl)butanamide


  • Catalogue No.:PA 12 0101008

  • CAS :

    1867585-44-1

  • Molecular Formula : C8H17N3O2

  • Molecular Weight : 187.24

stdClass Object
(
    [pname] => (S)-N-(1-Amino-1-oxobutan-2-yl)-4-hydroxybutanamide
    [catalogue_number] => PA 12 0101009
    [category_ids] => ,75,76,78,70,82,
    [chemical_name] => 
    [weight] => 188.23
    [form] => C8H16N2O3
    [cas] => 1868118-63-1
    [pslug] => 1868118-63-1-s-n-1-amino-1-oxobutan-2-yl-4-hydroxybutanamide-pa120101009
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PA 12 0101009

(S)-N-(1-Amino-1-oxobutan-2-yl)-4-hydroxybutanamide


  • Catalogue No.:PA 12 0101009

  • CAS :

    1868118-63-1

  • Molecular Formula : C8H16N2O3

  • Molecular Weight : 188.23

stdClass Object
(
    [pname] => (S)-N-(1-Amino-1-oxobutan-2-yl)-4-hydroxy-N-nitrosobutanamide
    [catalogue_number] => PA 12 0101011
    [category_ids] => ,69,70,71,78,79,82,162,
    [chemical_name] => 
    [weight] => 217.23
    [form] => C8H15N3O4
    [cas] => NA
    [pslug] => s-n-1-amino-1-oxobutan-2-yl-4-hydroxy-n-nitrosobutanamide-pa120101011
    [latest_product] => 0
    [linkproducts] => 0
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PA 12 0101011

(S)-N-(1-Amino-1-oxobutan-2-yl)-4-hydroxy-N-nitrosobutanamide


  • Catalogue No.:PA 12 0101011

  • CAS :

    NA

  • Molecular Formula : C8H15N3O4

  • Molecular Weight : 217.23

stdClass Object
(
    [pname] => (2S)-2-(3-Chloro-2-oxopyrrolidin-1-yl)butanamide
    [catalogue_number] => PA 12 0101012
    [category_ids] => ,79,69,71,78,70,82,
    [chemical_name] => 
    [weight] => 204.65
    [form] => C8H13ClN2O2
    [cas] => 2245069-23-0
    [pslug] => 2245069-23-0-2s-2-3-chloro-2-oxopyrrolidin-1-yl-butanamide-pa120101012
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PA 12 0101012

(2S)-2-(3-Chloro-2-oxopyrrolidin-1-yl)butanamide


  • Catalogue No.:PA 12 0101012

  • CAS :

    2245069-23-0

  • Molecular Formula : C8H13ClN2O2

  • Molecular Weight : 204.65