Tadalafil is a phosphodiesterase type 5 (PDE5) inhibitor commonly marketed under the brand name Cialis, primarily used for the treatment of erectile dysfunction (ED) and benign prostatic hyperplasia (BPH). It enhances blood flow by relaxing smooth muscles in the blood vessels, particularly in the pelvic region. Maintaining the pharmaceutical purity of Tadalafil is essential to ensure its therapeutic effectiveness, minimize adverse effects, and meet regulatory standards. Impurity profiling plays a vital role in identifying and controlling unwanted substances that may arise during manufacturing, storage, or degradation. Here are some of its known impurities listed below.
Showing 1 - 11 of 11 products

Catalogue No : TADA-OCL-002
CAS No : 171596-29-5
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Synonyms
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b] indole-1,4-dione
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-methyl-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b] indole-1,4-dione

Catalogue No : TADA-OCL-001
CAS No : 385769-94-8
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Synonyms
(6R,12aR)-rel-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxyethyl)-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
(6R,12aR)-rel-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-(2-hydroxyethyl)-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione

Catalogue No : TADA-OCL-015
CAS No : 20850-43-5
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Synonyms
5-(Chloromethyl)benzo[d][1,3]dioxole ;
5-(Chloromethyl)benzo[d][1,3]dioxole ;

Catalogue No : TADA-OCL-026
CAS No : 7145-99-5
In Stock
Synonyms
5-Methylbenzo[d][1,3]dioxole
5-Methylbenzo[d][1,3]dioxole

Catalogue No : TADA-OCL-035
CAS No : 14907-27-8
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Synonyms
Methyl 2-amino-3-(1H-indol-3-yl)propanoate hydrochloride
Methyl 2-amino-3-(1H-indol-3-yl)propanoate hydrochloride

Catalogue No : TADA-OCL-016
CAS No : 2058231-15-3
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Synonyms
(1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2-(2-(methylamino)acetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid
(1R,3R)-1-(Benzo[d][1,3]dioxol-5-yl)-2-(2-(methylamino)acetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid

Catalogue No : TADA-OCL-018
CAS No : 1598416-07-9
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Synonyms
(1R,3R)-2-Acetyl-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid
(1R,3R)-2-Acetyl-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic acid

Catalogue No : TADA-OCL-021
CAS No : 629652-40-0
In Stock
Synonyms
(1S,3R)-Methyl 1-(benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate
(1S,3R)-Methyl 1-(benzo[d][1,3]dioxol-5-yl)-2-(2-chloroacetyl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylate

Catalogue No : TADA-OCL-024
CAS No : 171596-31-9
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Synonyms
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-butyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione

Catalogue No : TADA-OCL-040
CAS No : 171596-36-4
In Stock
Synonyms
Tadalafil N-Desmethyl Impurity N-Desmethyl Tadalafil (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b...More Detail
Tadalafil N-Desmethyl Impurity N-Desmethyl Tadalafil (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro pyrazino [1′,2′:1,6]-pyrido[3,4-b...More Detail

Catalogue No : TADA-OCL-043
CAS No : 1609405-34-6
In Stock
Synonyms
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-ethyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione
(6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2-ethyl-2,3,6,7,12,12a-hexahydropyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione