Tadalafil is used to treat male erectile dysfunction. It is marketed worldwide under the brand name Cialis. Tadalafil is an orally administered drug.Reference standards of Tadalafil API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
stdClass Object ( [pname] => Tadalafil [catalogue_number] => PA 20 02000 [category_ids] => ,81,78,70,82, [chemical_name] => [weight] => 389.40 [form] => C22H19N3O4 [cas] => 171596-29-5 [pslug] => 171596-29-5-tadalafil-api-pa2002000 [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 20 02000
CAS :
Molecular Formula : C22H19N3O4
Molecular Weight : 389.40
stdClass Object ( [pname] => Tadalafil - Impurity A [catalogue_number] => PA 20 02010 [category_ids] => 82,81,78,70,69 [chemical_name] => [weight] => 389.40 [form] => C22H19N3O4 [cas] => 171596-27-3 [pslug] => 171596-27-3-tadalafil-impurity-a-pa2002010 [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 20 02010
stdClass Object ( [pname] => Tadalafil - Impurity B [catalogue_number] => PA 20 02020 [category_ids] => 69,70,78,81,82 [chemical_name] => [weight] => 389.40 [form] => C22H19N3O4 [cas] => 629652-72-8 [pslug] => 629652-72-8-tadalafil-impurity-b-pa2002020 [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 20 02020
stdClass Object ( [pname] => Tadalafil - Impurity C [catalogue_number] => PA 20 02030 [category_ids] => 82,81,78,70,69 [chemical_name] => [weight] => 389.40 [form] => C22H19N3O4 [cas] => 171596-28-4 [pslug] => 171596-28-4-tadalafil-impurity-c-pa2002030 [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 20 02030
stdClass Object ( [pname] => Tadalafil - Impurity D [catalogue_number] => PA 20 02040 [category_ids] => 82,81,78,70,69 [chemical_name] => [weight] => 421.40 [form] => C22H19N3O6 [cas] => NA [pslug] => tadalafil-impurity-d-pa2002040 [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 20 02040
Molecular Formula : C22H19N3O6
Molecular Weight : 421.40
stdClass Object ( [pname] => Tadalafil - Impurity E [catalogue_number] => PA 20 02050 [category_ids] => 69,70,78,81,82 [chemical_name] => [weight] => 421.40 [form] => C22H19N3O6 [cas] => 2520114-41-2 [pslug] => 2520114-41-2-tadalafil-impurity-e-pa2002050 [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 20 02050
stdClass Object ( [pname] => Tadalafil - Impurity F [catalogue_number] => PA 20 02060 [category_ids] => 69,70,78,81,82 [chemical_name] => [weight] => 421.40 [form] => C22H19N3O6 [cas] => 2747958-44-5 [pslug] => 2747958-44-5-tadalafil-impurity-f-pa2002060 [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 20 02060
stdClass Object ( [pname] => Tadalafil - Impurity G [catalogue_number] => PA 20 02070 [category_ids] => 82,81,78,70,69 [chemical_name] => [weight] => 403.39 [form] => C22H17N3O5 [cas] => 2520114-46-7 [pslug] => 2520114-46-7-tadalafil-impurity-g-pa2002070 [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 20 02070
Molecular Formula : C22H17N3O5
Molecular Weight : 403.39
stdClass Object ( [pname] => Tadalafil - Impurity H [catalogue_number] => PA 20 02080 [category_ids] => 82,81,78,70,69 [chemical_name] => [weight] => 421.40 [form] => C22H19N3O6 [cas] => 1978322-98-3 [pslug] => 1978322-98-3-tadalafil-impurity-h-pa2002080 [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 20 02080
stdClass Object ( [pname] => Tadalafil - Impurity I [catalogue_number] => PA 20 02090 [category_ids] => 69,70,78,81,82 [chemical_name] => [weight] => 405.40 [form] => C22H19N3O5 [cas] => 2378614-29-8 [pslug] => 2378614-29-8-tadalafil-impurity-i-pa2002090 [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 20 02090
Molecular Formula : C22H19N3O5
Molecular Weight : 405.40
stdClass Object ( [pname] => N-Butyl Nortadalafil [catalogue_number] => PA 20 02540 [category_ids] => ,79,80,69,71,81,78,70,82, [chemical_name] => [weight] => 431.48 [form] => C25H25N3O4 [cas] => 171596-31-9 [pslug] => 171596-31-9-n-butyl-nortadalafil-pa2002540 [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 20 02540
Molecular Formula : C25H25N3O4
Molecular Weight : 431.48
stdClass Object ( [pname] => (1R,3S)-Methyl 1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate [catalogue_number] => PA 20 02560 [category_ids] => ,69,81,78,70,82, [chemical_name] => [weight] => 350.37 [form] => C20H18N2O4 [cas] => 171596-44-4 [pslug] => 171596-44-4-1r-3s-methyl-1-benzo-d-1-3-dioxol-5-yl-2-3-4-9-tetrahydro-1h-pyrido-3-4-b-indole-3-carboxylate-pa2002560 [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 20 02560
Molecular Formula : C20H18N2O4
Molecular Weight : 350.37
stdClass Object ( [pname] => (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester [catalogue_number] => PA 20 02570 [category_ids] => ,69,81,78,70,82, [chemical_name] => [weight] => 350.37 [form] => C20H18N2O4 [cas] => 171596-43-3 [pslug] => 171596-43-3-1s-3s-1-1-3-benzodioxol-5-yl-2-3-4-9-tetrahydro-1h-pyrido-3-4-b-indole-3-carboxylic-acid-methyl-ester-pa2002570 [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 20 02570
stdClass Object ( [pname] => (1S,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester [catalogue_number] => PA 20 02590 [category_ids] => ,69,81,78,70,82, [chemical_name] => [weight] => 426.85 [form] => C22H19ClN2O5 [cas] => 629652-42-2 [pslug] => 629652-42-2-1s-3s-1-1-3-benzodioxol-5-yl-2-2-chloroacetyl-2-3-4-9-tetrahydro-1h-pyrido-3-4-b-indole-3-carboxylic-acid-methyl-ester-pa2002590 [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 20 02590
Molecular Formula : C22H19ClN2O5
Molecular Weight : 426.85
stdClass Object ( [pname] => (1S,3R)-1-Benzo[1,3]dioxol-5-yl-2-(2-chloro-acetyl)-2,3,4,9-tetrahydro-1H-b-carboline-3-carboxylic Acid Methyl Ester [catalogue_number] => PA 20 02600 [category_ids] => ,80,71,100,81,78,70,82, [chemical_name] => [weight] => 426.85 [form] => C22H19ClN2O5 [cas] => 629652-40-0 [pslug] => 629652-40-0-1s-3r-1-benzo-1-3-dioxol-5-yl-2-2-chloro-acetyl-2-3-4-9-tetrahydro-1h-b-carboline-3-carboxylic-acid-methyl-ester-pa2002600 [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 20 02600
stdClass Object ( [pname] => (1R,3S)-1-(1,3-Benzodioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester [catalogue_number] => PA 20 02610 [category_ids] => ,69,81,78,70,82, [chemical_name] => [weight] => 426.85 [form] => C22H19ClN2O5 [cas] => 629652-44-4 [pslug] => 629652-44-4-1r-3s-1-1-3-benzodioxol-5-yl-2-2-chloroacetyl-2-3-4-9-tetrahydro-1h-pyrido-3-4-b-indole-3-carboxylic-acid-methyl-ester-pa2002610 [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 20 02610
stdClass Object ( [pname] => N-Butyl Nortadalafil-d9 [catalogue_number] => PA STI 016650 [category_ids] => ,69,71,81,78,70,82,98, [chemical_name] => [weight] => 440.54 [form] => C25H16D9N3O4 [cas] => NA [pslug] => n-butyl-nortadalafil-d9-pasti016650 [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 016650
Molecular Formula : C25H16D9N3O4
Molecular Weight : 440.54
stdClass Object ( [pname] => 2-Hydroxypropyl-d6 Nortadalafil [catalogue_number] => PA STI 051350 [category_ids] => ,81,98,78,70,82, [chemical_name] => [weight] => 439.49 [form] => C24H17D6N3O5 [cas] => NA [pslug] => 2-hydroxypropyl-d6-nortadalafil-pasti051350 [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 051350
Molecular Formula : C24H17D6N3O5
Molecular Weight : 439.49
stdClass Object ( [pname] => N-Octyl Nortadalafil-d17 [catalogue_number] => PA STI 069740 [category_ids] => ,69,71,81,98,78,70,82, [chemical_name] => [weight] => 504.69 [form] => C29H16D17N3O4 [cas] => NA [pslug] => n-octyl-nortadalafil-d17-pasti069740 [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 069740
Molecular Formula : C29H16D17N3O4
Molecular Weight : 504.69
stdClass Object ( [pname] => ent-Tadalafil-d3 [catalogue_number] => PA STI 080740 [category_ids] => ,69,81,98,78,70,82, [chemical_name] => [weight] => 392.42 [form] => C22H16D3N3O4 [cas] => 1329568-92-4 [pslug] => 1329568-92-4-ent-tadalafil-d3-pasti080740 [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 080740
Molecular Formula : C22H16D3N3O4
Molecular Weight : 392.42
stdClass Object ( [pname] => Tadalafil-d3 [catalogue_number] => PA STI 080750 [category_ids] => ,81,98,78,70,82,69, [chemical_name] => [weight] => 392.42 [form] => C22H16D3N3O4 [cas] => 960226-55-5 [pslug] => 960226-55-5-tadalafil-d3-pasti080750 [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 080750
stdClass Object ( [pname] => cis-Tadalafil-d3 [catalogue_number] => PA STI 080760 [category_ids] => ,69,81,98,78,70,82, [chemical_name] => [weight] => 392.42 [form] => C22H16D3N3O4 [cas] => NA [pslug] => cis-tadalafil-d3-pasti080760 [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 080760
stdClass Object ( [pname] => cis-ent-Tadalafil-d3 [catalogue_number] => PA STI 080770 [category_ids] => ,69,81,98,78,70,82, [chemical_name] => [weight] => 392.42 [form] => C22H16D3N3O4 [cas] => 1329799-70-3 [pslug] => 1329799-70-3-cis-ent-tadalafil-d3-pasti080770 [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 080770
stdClass Object ( [pname] => (3R)-3-[[2-(1,3-Benzodioxol-5-ylcarbonyl)-1H-indol-3-yl]methyl]-1-methyl-2,5-piperazinedione [catalogue_number] => PA 20 0021000 [category_ids] => ,75,81,123,76,78,82, [chemical_name] => [weight] => 405.41 [form] => C22H19N3O5 [cas] => 1220393-12-3 [pslug] => 1220393-12-3-3r-3-2-1-3-benzodioxol-5-ylcarbonyl-1h-indol-3-yl-methyl-1-methyl-2-5-piperazinedione-pa200021000 [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 20 0021000
Molecular Weight : 405.41
stdClass Object ( [pname] => Tadalafil Hydroxypiperidone [catalogue_number] => PA 20 0021023 [category_ids] => ,69,70,78,81,82, [chemical_name] => [weight] => 421.41 [form] => C22H19N3O6 [cas] => 1978322-99-4 [pslug] => 1978322-99-4-tadalafil-hydroxypiperidone-pa200021023 [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 20 0021023
Molecular Weight : 421.41
stdClass Object ( [pname] => (1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Hydrochloride [catalogue_number] => PA 20 0021024 [category_ids] => ,81,78,70,82, [chemical_name] => [weight] => 372.81 [form] => C19H17ClN2O4 [cas] => 474668-76-3 [pslug] => 474668-76-3-1r-3r-1-benzo-d-1-3-dioxol-5-yl-2-3-4-9-tetrahydro-1h-pyrido-3-4-b-indole-3-carboxylic-acid-hydrochloride-pa200021024 [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 20 0021024
Molecular Formula : C19H17ClN2O4
Molecular Weight : 372.81
stdClass Object ( [pname] => (1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid [catalogue_number] => PA 20 0021025 [category_ids] => ,81,78,70,82, [chemical_name] => [weight] => 412.83 [form] => C21H17ClN2O5 [cas] => 2058231-08-4 [pslug] => 2058231-08-4-1r-3r-1-benzo-d-1-3-dioxol-5-yl-2-2-chloroacetyl-2-3-4-9-tetrahydro-1h-pyrido-3-4-b-indole-3-carboxylic-acid-pa200021025 [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 20 0021025
Molecular Formula : C21H17ClN2O5
Molecular Weight : 412.83
stdClass Object ( [pname] => Tadalafil 13CD3 [catalogue_number] => PA STI 089475 [category_ids] => ,98,81,78,82, [chemical_name] => [weight] => 393.42 [form] => C2113CH16D3N3O4 [cas] => 1261364-86-6 [pslug] => 1261364-86-6-tadalafil-13cd3-pasti089475 [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 089475
Molecular Formula : C2113CH16D3N3O4
Molecular Weight : 393.42
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