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] => 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
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 2498
    [offers_product_code] => PA 12 0101002
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
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
    [latest_product] => 0
    [linkproducts] => 1
    [offers_id] => 1
    [offers_name] => Spring Season Offer
    [offers_status] => 1
    [offers_start_date] => 2024-03-27
    [offers_end_date] => 2024-03-31
    [pageview] => 2
    [offers_slug] => spring-season-offer
    [offers_product_id] => 2499
    [offers_product_code] => PA 12 0101010
    [offers_master_id] => 1
    [offer_percentage] => 20% OFF
    [offers_product_main_cat] => Pharmaceutical Reference Standards 
)
PA 12 0101010

2-Aminobutanamide hydrochloride


  • Catalogue No.:PA 12 0101010

  • CAS :

    89603-48-5

  • Molecular Formula : C4H11ClN2O

  • Molecular Weight : 138.6

stdClass Object
(
    [pname] => 2,4-Dichlorobutanoyl Chloride
    [catalogue_number] => PA 12 0101000
    [category_ids] => ,75,76,78,82,
    [chemical_name] => 
    [weight] => 175.43
    [form] => C4H5Cl3O
    [cas] => 79194-54-0
    [pslug] => 79194-54-0-2-4-dichlorobutanoyl-chloride-pa120101000
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 12 0101000

2,4-Dichlorobutanoyl Chloride


  • Catalogue No.:PA 12 0101000

  • CAS :

    79194-54-0

  • Molecular Formula : C4H5Cl3O

  • Molecular Weight : 175.43

stdClass Object
(
    [pname] => (R)-N-((R)-1-Amino-1-oxobutan-2-yl)-3-((((S)-1-amino-1-oxobutan-2-yl)amino)methyl)hexanamide
    [catalogue_number] => PA 12 0101001
    [category_ids] => ,75,76,78,82,
    [chemical_name] => 
    [weight] => 314.43
    [form] => C15H30N4O3
    [cas] => NA
    [pslug] => -r-n-r-1-amino-1-oxobutan-2-yl-3-s-1-amino-1-oxobutan-2-yl-amino-methyl-hexanamide-pa120101001
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
PA 12 0101001

(R)-N-((R)-1-Amino-1-oxobutan-2-yl)-3-((((S)-1-amino-1-oxobutan-2-yl)amino)methyl)hexanamide


  • Catalogue No.:PA 12 0101001

  • CAS :

    NA

  • Molecular Formula : C15H30N4O3

  • Molecular Weight : 314.43

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
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [pslug] => 1847568-87-9-r-n-1-amino-1-oxobutan-2-yl-4-hydroxybutanamide-pa120101007
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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
    [latest_product] => 0
    [linkproducts] => 0
    [offers_id] => 
    [offers_name] => 
    [offers_status] => 
    [offers_start_date] => 
    [offers_end_date] => 
    [pageview] => 
    [offers_slug] => 
    [offers_product_id] => 
    [offers_product_code] => 
    [offers_master_id] => 
    [offer_percentage] => 
    [offers_product_main_cat] => 
)
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