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 [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 B [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 E (Freebase) [catalogue_number] => PA 12 10050 [category_ids] => 69,79,80 [chemical_name] => [weight] => 121.18 [form] => C8H11N [cas] => 3886-69-9 [pslug] => 3886-69-9-levetiracetam-impurity-e-freebase-pa1210050 [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 10050
Molecular Formula : C8H11N
Molecular Weight : 121.18
stdClass Object ( [pname] => Levetiracetam - Impurity E (Hydrochloride Salt) [catalogue_number] => PA 12 10051 [category_ids] => 80,79,69 [chemical_name] => [weight] => 157.64 [form] => C8H12ClN [cas] => 10277-86-8 [pslug] => 10277-86-8-levetiracetam-impurity-e-hydrochloride-salt-pa1210051 [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 10051
Molecular Formula : C8H12ClN
Molecular Weight : 157.64
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] => 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] => (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 [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 10560
Molecular Formula : C8H13NO3
Molecular Weight : 171.19
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] => (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
stdClass Object ( [pname] => (S)-2-(2-Oxopyrrolidin-1-yl)butanenitrile [catalogue_number] => PA 12 0101013 [category_ids] => ,79,69,71,78,70,82, [chemical_name] => [weight] => 152.2 [form] => C8H12N2O [cas] => 664304-29-4 [pslug] => 664304-29-4-s-2-2-oxopyrrolidin-1-yl-butanenitrile-pa120101013 [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 0101013
Molecular Formula : C8H12N2O
Molecular Weight : 152.2
stdClass Object ( [pname] => 4-((1-Carboxypropyl)(nitroso)amino)butanoic Acid [catalogue_number] => PA 12 0101016 [category_ids] => ,79,69,71,78,70,82,162, [chemical_name] => [weight] => 218.21 [form] => C8H14N2O5 [cas] => NA [pslug] => 4-1-carboxypropyl-nitroso-amino-butanoic-acid-pa120101016 [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 0101016
Molecular Formula : C8H14N2O5
Molecular Weight : 218.21
stdClass Object ( [pname] => (S)-N-(1-Amino-1-oxobutan-2-yl)-4-chloro-N-nitrosobutanamide [catalogue_number] => PA 12 0101017 [category_ids] => 162,82,79,78,71,70,69 [chemical_name] => [weight] => 235.67 [form] => C8H14ClN3O3 [cas] => NA [pslug] => s-n-1-amino-1-oxobutan-2-yl-4-chloro-n-nitrosobutanamide-pa120101017 [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 0101017
Molecular Formula : C8H14ClN3O3
Molecular Weight : 235.67
stdClass Object ( [pname] => (S)-2-(Methylamino)butanamide [catalogue_number] => PA 12 0101018 [category_ids] => ,79,69,71,78,70,82, [chemical_name] => [weight] => 116.16 [form] => C5H12N2O [cas] => 1315051-69-4 [pslug] => 1315051-69-4-s-2-methylamino-butanamide-pa120101018 [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 0101018
Molecular Formula : C5H12N2O
Molecular Weight : 116.16
stdClass Object ( [pname] => (S)-2-(Dimethylamino)butanamide [catalogue_number] => PA 12 0101019 [category_ids] => ,79,69,71,78,70,82, [chemical_name] => [weight] => 130.19 [form] => C6H14N2O [cas] => 2382619-96-5 [pslug] => 2382619-96-5-s-2-dimethylamino-butanamide-pa120101019 [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 0101019
Molecular Formula : C6H14N2O
Molecular Weight : 130.19
stdClass Object ( [pname] => (S)-4-((1-Amino-1-oxobutan-2-yl)amino)butanoic Acid [catalogue_number] => PA 12 0101020 [category_ids] => ,82,80,79,78,70, [chemical_name] => [weight] => 188.23 [form] => C8H16N2O3 [cas] => 429674-11-3 [pslug] => 429674-11-3-s-4-1-amino-1-oxobutan-2-yl-amino-butanoic-acid-pa120101020 [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 0101020
Molecular Formula : C8H16N2O3
Molecular Weight : 188.23
stdClass Object ( [pname] => 2-(2-Oxopiperidin-1-yl)butanamide [catalogue_number] => PA 12 0101021 [category_ids] => ,79,69,71,78,70,82, [chemical_name] => [weight] => 184.24 [form] => C9H16N2O2 [cas] => 172171-68-5 [pslug] => 172171-68-5-2-2-oxopiperidin-1-yl-butanamide-pa120101021 [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 0101021
Molecular Formula : C9H16N2O2
Molecular Weight : 184.24
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