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 [pslug] => 102767-28-2-levetiracetam-api-pa1210000 [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 10000
CAS :
Molecular Formula : C8H14N2O2
Molecular Weight : 170.21
stdClass Object ( [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 [pslug] => 67118-31-4-levetiracetam-impurity-a-freebase-pa1210010 [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 10010
Molecular Formula : C8H13NO3
Molecular Weight : 171.19
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 [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 10020
Molecular Formula : C8H12N2O2
Molecular Weight : 168.19
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 [pslug] => 103765-01-1-levetiracetam-impurity-d-freebase-pa1210040 [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 10040
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 [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 10510
Molecular Formula : C8H15ClN2O2
Molecular Weight : 206.67
stdClass Object ( [pname] => Levetiracetam Racemic Mixture [catalogue_number] => PA 12 10530 [category_ids] => 93,82,78,71,70 [chemical_name] => [weight] => 170.21 [form] => C8H14N2O2 [cas] => 33996-58-6 [pslug] => 33996-58-6-levetiracetam-racemic-mixture-pa1210530 [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 10530
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 [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 10550
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 [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 10580
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 [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 STI 006860
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 [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 STI 006870
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 [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 STI 056450
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 [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 STI 056460
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 [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 STI 088341
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] => 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] => [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 0101002
Molecular Formula : C4H9NO2
Molecular Weight : 103.12
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
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 [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 0101011
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 [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 0101012
Molecular Formula : C8H13ClN2O2
Molecular Weight : 204.65
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