English Name: Sildenafil
CAS No.: 139755-83-2
Molecular formula: c22h30n6o4s
Molecular weight: 474.58
EINECS No.: 604-158-7
Melting point 187-189 ° C
Flash point 9 ℃
Storage condition refrigerator
Purpose: v-phosphodiesterase inhibitor for the treatment of erectile dysfunction.
Sildenafil is an oral drug for the treatment of male erectile dysfunction. It is a 5-phosphodiesterase inhibitor developed by Pfizer pharmaceutical company in the United States for the treatment of cardiovascular diseases. It was unexpectedly found that this drug can improve the sexual life of patients. In March 1998, the US Food and Drug Administration approved the prescription drug for the treatment of male erectile dysfunction, becoming the first oral drug specially used for the treatment of male erectile dysfunction.
Common adverse reactions include headache, dizziness, flushing, dyspepsia, nasal congestion and visual abnormalities, which may be manifested as abnormal Blue / green color discrimination, enhanced light perception or blurred vision.
More serious adverse reactions include: decreased blood pressure and cardiac output in the lying position. In addition, clinical studies show that after taking sildenafil, the risk of cardiac abnormalities increases, including angina pectoris, dizziness, nausea and other symptoms, and may cause sudden cardiac death.
Chemical properties sildenafil citrate: c22h30n6o4s? C6H8O7[ 139755-83-2]。
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