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] => 8 [offers_name] => Ready Stock [offers_status] => 1 [offers_start_date] => 2024-12-16 [offers_end_date] => 2024-12-31 [pageview] => 2 [offers_slug] => ready-stock [offers_product_id] => 37502 [offers_product_code] => PA 12 0101002 [offers_master_id] => 8 [offer_percentage] => 20 % OFF [offers_product_main_cat] => Pharmaceutical Reference Standards )
Catalogue No.:PA 12 0101002
CAS :
Molecular Formula : C4H9NO2
Molecular Weight : 103.12
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] => )
Catalogue No.:PA 12 0101000
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] => )
Catalogue No.:PA 12 0101001
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] => )
Catalogue No.:PAI 12 010001
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] => )
Catalogue No.:PA 12 0101003
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] => )
Catalogue No.:PA 12 0101004
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] => )
Catalogue No.:PA 12 0101005
Molecular Formula : C12H21NO3
Molecular Weight : 227.3
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] => [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] => )
Catalogue No.:PA 12 0101010
Molecular Formula : C4H11ClN2O
Molecular Weight : 138.6
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] => )
Catalogue No.:PA 12 0101006
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] => )
Catalogue No.:PA 12 0101007
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] => )
Catalogue No.:PA 12 0101008
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] => )
Catalogue No.:PA 12 0101009
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