Edaravone is used to help people recover from stroke in Japan, and is used to treat ALS in the US and Japan. It is sold as under the brand names Radicava. Reference standards of Edaravone API, and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below
stdClass Object ( [pname] => Bispyrazolone [catalogue_number] => PA 32 06530 [category_ids] => ,80,71,75,78,70,82, [chemical_name] => [weight] => 346.38 [form] => C20H18N4O2 [cas] => 7477-67-0 [pslug] => 7477-67-0-bispyrazolone-pa3206530 [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 32 06530
CAS :
Molecular Formula : C20H18N4O2
Molecular Weight : 346.38
stdClass Object ( [pname] => 3,3'-Dimethyl-1,1'-diphenyl[4,4'-bi-1H-pyrazole]-5,5'-diol [catalogue_number] => PA 32 06540 [category_ids] => ,80,71,75,78,70,82, [chemical_name] => [weight] => 346.38 [form] => C20H18N4O2 [cas] => 177415-76-8 [pslug] => 177415-76-8-3-3-dimethyl-1-1-diphenyl-4-4-bi-1h-pyrazole-5-5-diol-pa3206540 [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 32 06540
stdClass Object ( [pname] => 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one [catalogue_number] => PA 32 06550 [category_ids] => ,80,71,75,70,82, [chemical_name] => [weight] => 174.2 [form] => C10H10N2O [cas] => 19735-89-8 [pslug] => 19735-89-8-1-2-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one-pa3206550 [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 32 06550
Molecular Formula : C10H10N2O
Molecular Weight : 174.2
stdClass Object ( [pname] => 3-Methyl-1-phenyl-4,5-dihydro-1H-pyrazole-4,5-diol [catalogue_number] => PA 32 06560 [category_ids] => ,80,71,75,70,82, [chemical_name] => [weight] => 192.21 [form] => C10H12N2O2 [cas] => NA [pslug] => 3-methyl-1-phenyl-4-5-dihydro-1h-pyrazole-4-5-diol-pa3206560 [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 32 06560
Molecular Formula : C10H12N2O2
Molecular Weight : 192.21
stdClass Object ( [pname] => 5,5"-dihydroxy-3,3",5'-trimethyl-1,1",2'-triphenyl-4,4",5,5"-tetrahydro-1H,1"H-[4,4':4',4"-terpyrazol]-3'(2'H)-one [catalogue_number] => PA 32 0061000 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 522.61 [form] => C30H30N6O3 [cas] => NA [pslug] => 5-5-dihydroxy-3-3-5-trimethyl-1-1-2-triphenyl-4-4-5-5-tetrahydro-1h-1h-4-4-4-4-terpyrazol-3-2h-one-pa320061000 [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 32 0061000
Molecular Formula : C30H30N6O3
Molecular Weight : 522.61
stdClass Object ( [pname] => 4-Ethyl-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one [catalogue_number] => PA 32 0061001 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 202.26 [form] => C12H14N2O [cas] => NA [pslug] => 4-ethyl-5-methyl-2-phenyl-2-4-dihydro-3h-pyrazol-3-one-pa320061001 [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 32 0061001
Molecular Formula : C12H14N2O
Molecular Weight : 202.26
stdClass Object ( [pname] => 5-(Hydroxymethyl)-2-phenyl-2,4-dihydro-3H-pyrazol-3-one [catalogue_number] => PA 32 0061002 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 190.2 [form] => C10H10N2O2 [cas] => NA [pslug] => 5-hydroxymethyl-2-phenyl-2-4-dihydro-3h-pyrazol-3-one-pa320061002 [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 32 0061002
Molecular Formula : C10H10N2O2
Molecular Weight : 190.2
stdClass Object ( [pname] => 4-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylic Acid [catalogue_number] => PA 32 0061003 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 218.21 [form] => C11H10N2O3 [cas] => NA [pslug] => 4-methyl-5-oxo-1-phenyl-4-5-dihydro-1h-pyrazole-3-carboxylic-acid-pa320061003 [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 32 0061003
Molecular Formula : C11H10N2O3
Molecular Weight : 218.21
stdClass Object ( [pname] => (E)-3-Methyl-1-phenyl-4-(1-(1-phenylhydrazinyl)buta-1,3-dien-2-yl)-1H-pyrazol-5-ol [catalogue_number] => PA 32 0061004 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 332.41 [form] => C20H20N4O [cas] => NA [pslug] => e-3-methyl-1-phenyl-4-1-1-phenylhydrazinyl-buta-1-3-dien-2-yl-1h-pyrazol-5-ol-pa320061004 [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 32 0061004
Molecular Formula : C20H20N4O
Molecular Weight : 332.41
stdClass Object ( [pname] => 5-Hydroxy-3,5',5"-trimethyl-1,2',2"-triphenyl-2",4,4",5-tetrahydro-1H,3"H-[4,4':4',4"-terpyrazole]-3',3"(2'H)-dione [catalogue_number] => PA 32 0061005 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 520.59 [form] => C30H28N6O3 [cas] => NA [pslug] => 5-hydroxy-3-5-5-trimethyl-1-2-2-triphenyl-2-4-4-5-tetrahydro-1h-3h-4-4-4-4-terpyrazole-3-3-2h-dione-pa320061005 [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 32 0061005
Molecular Formula : C30H28N6O3
Molecular Weight : 520.59
stdClass Object ( [pname] => 4-(2-Diazenyl-2-oxoethyl)-5-methyl-2-phenyl-2,4-dihydro-3H-pyrazol-3-one [catalogue_number] => PA 32 0061006 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 244.25 [form] => C12H12N4O2 [cas] => NA [pslug] => 4-2-diazenyl-2-oxoethyl-5-methyl-2-phenyl-2-4-dihydro-3h-pyrazol-3-one-pa320061006 [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 32 0061006
Molecular Formula : C12H12N4O2
Molecular Weight : 244.25
stdClass Object ( [pname] => 5-Methyl-2-phenyl-2,4-dihydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione [catalogue_number] => PA 32 0061007 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 254.25 [form] => C13H10N4O2 [cas] => NA [pslug] => 5-methyl-2-phenyl-2-4-dihydro-3h-3h-4-4-bipyrazole-3-3-dione-pa320061007 [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 32 0061007
Molecular Formula : C13H10N4O2
Molecular Weight : 254.25
stdClass Object ( [pname] => 5'-(Hydroxymethyl)-4,5-dimethyl-2,2'-diphenyl-2,2',4,4'-tetrahydro-3H,3'H-[4,4'-bipyrazole]-3,3'-dione [catalogue_number] => PA 32 0061008 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 376.42 [form] => C21H20N4O3 [cas] => NA [pslug] => 5-hydroxymethyl-4-5-dimethyl-2-2-diphenyl-2-2-4-4-tetrahydro-3h-3h-4-4-bipyrazole-3-3-dione-pa320061008 [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 32 0061008
Molecular Formula : C21H20N4O3
Molecular Weight : 376.42
stdClass Object ( [pname] => 3'-(Hydroxymethyl)-3"-methyl-5,5',5"-trioxo-1,1',1"-triphenyl-1',4,4",5,5',5"-hexahydro-1H,1"H-[4,4':4',4"-terpyrazole]-3-carboxylic Acid [catalogue_number] => PA 32 0061009 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 564.56 [form] => C30H24N6O6 [cas] => NA [pslug] => 3-hydroxymethyl-3-methyl-5-5-5-trioxo-1-1-1-triphenyl-1-4-4-5-5-5-hexahydro-1h-1h-4-4-4-4-terpyrazole-3-carboxylic-acid-pa320061009 [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 32 0061009
Molecular Formula : C30H24N6O6
Molecular Weight : 564.56
stdClass Object ( [pname] => 5-(Hydroxymethyl)-5',5"-dimethyl-2,2',2"-triphenyl-2,2",4,4"-tetrahydro-3H,3"H-[4,4':4',4"-terpyrazole]-3,3',3"(2'H)-trione [catalogue_number] => PA 32 0061010 [category_ids] => ,75,76,70,78,82, [chemical_name] => [weight] => 534.58 [form] => C30H26N6O4 [cas] => NA [pslug] => 5-hydroxymethyl-5-5-dimethyl-2-2-2-triphenyl-2-2-4-4-tetrahydro-3h-3h-4-4-4-4-terpyrazole-3-3-3-2h-trione-pa320061010 [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 32 0061010
Molecular Formula : C30H26N6O4
Molecular Weight : 534.58
stdClass Object ( [pname] => (E)-2-Oxo-3-(2-phenylhydrazono)butanoic Acid [catalogue_number] => PA 32 0061013 [category_ids] => 82,78,76,75,70 [chemical_name] => [weight] => 206.2 [form] => C10H10N2O3 [cas] => 1086213-77-5 [pslug] => 1086213-77-5-e-2-oxo-3-2-phenylhydrazono-butanoic-acid-pa320061013 [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 32 0061013
Molecular Formula : C10H10N2O3
Molecular Weight : 206.2
stdClass Object ( [pname] => 2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)-2-sulfopropanoic Acid [catalogue_number] => PA 32 0061011 [category_ids] => ,78,75,76,82, [chemical_name] => [weight] => 326.32 [form] => C13H14N2O6S [cas] => 1357477-99-6 [pslug] => 1357477-99-6-2-3-methyl-5-oxo-1-phenyl-4-5-dihydro-1h-pyrazol-4-yl-2-sulfopropanoic-acid-pa320061011 [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 32 0061011
Molecular Formula : C13H14N2O6S
Molecular Weight : 326.32
stdClass Object ( [pname] => 2-(3-Methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid [catalogue_number] => PA 32 0061012 [category_ids] => ,78,75,76,82, [chemical_name] => [weight] => 296.34 [form] => C13H16N2O4S [cas] => 1323485-71-7 [pslug] => 1323485-71-7-2-3-methyl-5-oxo-1-phenyl-4-5-dihydro-1h-pyrazol-4-yl-propane-2-sulfonic-acid-pa320061012 [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 32 0061012
Molecular Formula : C13H16N2O4S
Molecular Weight : 296.34
stdClass Object ( [pname] => (Z)-5,5'-Dimethyl-2,2'-diphenyl-[4,4'-bipyrazolylidene]-3,3'(2H,2'H)-dione [catalogue_number] => PAI 32 006001 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 344.37 [form] => C20H16N4O2 [cas] => NA [pslug] => z-5-5-dimethyl-2-2-diphenyl-4-4-bipyrazolylidene-3-3-2h-2h-dione-pai32006001 [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 32 006001
Molecular Formula : C20H16N4O2
Molecular Weight : 344.37
stdClass Object ( [pname] => Edaravone Trimer Impurity [catalogue_number] => PA 32 0061014 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 518.58 [form] => C30H26N6O3 [cas] => 68195-63-1 [pslug] => 68195-63-1-edaravone-trimer-impurity-pa320061014 [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 32 0061014
Molecular Formula : C30H26N6O3
Molecular Weight : 518.58
stdClass Object ( [pname] => 1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic acid, Sodium Salt [catalogue_number] => PA 32 0061018 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 335.33 [form] => C13H16N2NaO5S [cas] => 1322767-62-3 [pslug] => 1322767-62-3-1-hydroxy-2-3-methyl-5-oxo-1-phenyl-4-5-dihydro-1h-pyrazol-4-yl-propane-2-sulfonic-acid-sodium-salt-pa320061018 [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 32 0061018
Molecular Formula : C13H16N2NaO5S
Molecular Weight : 335.33
stdClass Object ( [pname] => 5'-Ethoxy-3,3'-dimethyl-1,1'-diphenyl-1H,1'H-[4,4'-bipyrazol]-5-ol [catalogue_number] => PA 32 0061019 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 374.44 [form] => C22H22N4O2 [cas] => NA [pslug] => 5-ethoxy-3-3-dimethyl-1-1-diphenyl-1h-1h-4-4-bipyrazol-5-ol-pa320061019 [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 32 0061019
Molecular Formula : C22H22N4O2
Molecular Weight : 374.44
stdClass Object ( [pname] => Ethyl (E)-3-(2-phenylhydrazono)butanoate [catalogue_number] => PA 32 0061017 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 220.27 [form] => C12H16N2O2 [cas] => 2061958-41-4 [pslug] => 2061958-41-4-ethyl-e-3-2-phenylhydrazono-butanoate-pa320061017 [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 32 0061017
Molecular Formula : C12H16N2O2
Molecular Weight : 220.27
stdClass Object ( [pname] => 1-Hydroxy-2-(3-methyl-5-oxo-1-phenyl-4,5-dihydro-1H-pyrazol-4-yl)propane-2-sulfonic Acid [catalogue_number] => PA 32 0061016 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 312.34 [form] => C13H16N2O5S [cas] => NA [pslug] => 1-hydroxy-2-3-methyl-5-oxo-1-phenyl-4-5-dihydro-1h-pyrazol-4-yl-propane-2-sulfonic-acid-pa320061016 [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 32 0061016
Molecular Formula : C13H16N2O5S
Molecular Weight : 312.34
stdClass Object ( [pname] => Sodium 2-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)propane-2-sulfonate [catalogue_number] => PA 32 0061015 [category_ids] => ,75,76,78,70,82, [chemical_name] => [weight] => 318.32 [form] => C13H15N2NaO4S [cas] => NA [pslug] => sodium-2-5-hydroxy-3-methyl-1-phenyl-1h-pyrazol-4-yl-propane-2-sulfonate-pa320061015 [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 32 0061015
Molecular Formula : C13H15N2NaO4S
Molecular Weight : 318.32
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