1. Basic Info

Product Name:	Avanafil
Synonyms:	D03217;pharmaceutical raw material suppliers Avanafil 330784-47-9 high quality lower Prices;Natural Sex Steroid Hormones Avanafil Hormone Powder C23H26ClN7O3 CAS 330784-47-9;Avanafil-d3;Avanafil(TA-1790);4-[[(3-Chloro-4-Methoxyphenyl)Methyl] aMino]-2-[(2S)-2-(hydroxyMethyl)-1-pyrrolidinyl]-N-(2-pyriMidinylMethyl)-5-pyriMidinecarboxaMide;4-[(3-Chloro-4-methoxybenzyl)amino]-2-[(2S)-2-(hydroxymethyl)pyrrolidin-1-yl]-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide;(S)-4-((3-Chloro-4-Methoxybenzyl)aMino)-2-(2-(hydroxyMethyl)pyrrolidin-1-yl)-N-(pyriMidin-2-ylMethyl)pyriMidine-5-carboxaMide
CAS:	330784-47-9
MF:	C23H26ClN7O3
MW:	483.95
EINECS:
Product Categories:	-;Aromatics;Chiral Reagents;Heterocycles;Intermediates & Fine Chemicals;Pharmaceuticals;Inhibitors;Inhibitor;Avanafil
Mol File:	330784-47-9.mol

2. Descriptions:

Avanafil is a PDE5 inhibitor approved for erectile dysfunction by FDA on April 27, 2012 and by EMA on June 21, 2013. Avanafil is known by the trademark names Stendra and Spedra and was developed by Vivus Inc.

Avanafil acts by inhibiting a specific phosphodiesterase type 5 enzyme which is found in various body tissues, but primarily in the corpus cavernosum penis, as well as the retina.

Other similar drugs are , tadalafil and vardenafil. The advantage of avanafil is that it has very fast onset of action compared with other PDE5 inhibitors. It is absorbed quickly, reaching a maximum concentration in about 30-45 minutes. About two-thirds of the participants were able to engage in sexual activity within 15 minutes.

3. Applications:

Avanafil is used to treat erectile dysfunction (ED: impotence; inability to get or keep an erection in men). Avanafil is in a class of medications called phosphodiesterase (PDE) inhibitors. It works by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Avanafil does not cure erectile dysfunction or increase sexual desire. Avanafil does not prevent pregnancy or the spread of sexually transmitted diseases such as human immunodeficiency virus (HIV).

Avanafil comes as a tablet to take by mouth. For men taking the 100- mg or 200-mg doses, avanafil is usually taken with or without food as needed, about 15 minutes before sexual activity. For men taking the 50-mg dose, avanafil is usually taken with or without food as needed, about 30 minutes before sexual activity.

Avanafil occurs as white crystalline powder, molecular formula C23H26ClN7O3 and molecular weight of 483.95 and is slightly soluble in ethanol, practically insoluble in water, and soluble in 0.1 mol/L hydrochloric acid. STENDRA, for oral administration, is supplied as oval, pale yellow tablets containing 50 mg, 100 mg, or 200 mg avanafil debossed with dosage strengths. In addition to the active ingredient, avanafil, each tablet contains the following inactive ingredients: mannitol, fumaric acid, hydroxypropylcellulose, low substituted hydroxypropylcellulose, calcium carbonate, magnesium stearate, and ferric oxide yellow.

Your doctor will probably start you on an average dose of avanafil and may increase or decrease your dose depending on how you respond to the medication. Tell your doctor if avanafil is not working well or if you experience side effects.

Avanafil comes as a tablet to take by mouth. It is usually taken with or without food as needed, about 30 minutes before sexual activity. Do not take avanafil more often than once in 24 hours. Follow the directions on your prescription label carefully, and ask your doctor or pharmacist to explain any part you do not understand. Take avanafil exactly as directed. Do not take more or less of it or take it more often than prescribed by your doctor.

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