Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor widely known under the brand name Viagra, primarily used for the treatment of erectile dysfunction and pulmonary arterial hypertension. It enhances blood flow by relaxing smooth muscles in blood vessels, particularly in the penile region. Maintaining the pharmaceutical purity of Sildenafil is essential to ensure its clinical effectiveness, minimize adverse effects, and meet stringent regulatory standards. Impurity profiling plays a vital role in detecting and managing any unwanted substances that may arise during its synthesis, storage, or degradation. Here are some of its known impurities listed below.
Showing 1 - 6 of 6 products
Catalogue No : SILD-OCL-001
CAS No : 332374-42-2
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Synonyms
2-Ethoxy-5-(4-methyl-piperazin-1-yl-sulphonyl)-benzaldehyde
2-Ethoxy-5-(4-methyl-piperazin-1-yl-sulphonyl)-benzaldehyde
Catalogue No : SILD-OCL-002
CAS No : 139756-02-8
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Synonyms
4-Amino-1-methyl-3-propylpyrazole-5-carboxamide
4-Amino-1-methyl-3-propylpyrazole-5-carboxamide
Catalogue No : SILD-OCL-003
CAS No : 147676-78-6
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Synonyms
Sildenafil Carboxylic Acid Impurity 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d] pyrimidin-5-yl)benzoic acid
Sildenafil Carboxylic Acid Impurity 4-Ethoxy-3-(1-methyl-7-oxo-3-propyl-6,7-dihydro-1H-pyrazolo[4,3-d] pyrimidin-5-yl)benzoic acid
Catalogue No : SILD-OCL-004
CAS No : 42926-52-3
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Synonyms
2-Ethoxybenzoyl chloride
2-Ethoxybenzoyl chloride
Catalogue No : SILD-OCL-005
CAS No : 1346600-82-5
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Synonyms
3-(2-Methylpropyl)-1H-pyrazolo[4,3-d]pyrimidine
3-(2-Methylpropyl)-1H-pyrazolo[4,3-d]pyrimidine
Catalogue No : SILD-OCL-006
CAS No : 268204-00-8
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Synonyms
4-Amino-3-isobutyl-1-methyl-1H-pyrazole-5-carboxamide
4-Amino-3-isobutyl-1-methyl-1H-pyrazole-5-carboxamide