CAS Number: 139755-83-2
Chemical Formula: C22H19N3O4
Molecular Weight: 389.4
Content: 99.5% Sildenafil citrate, Viagra
Solubility: Slightly soluble in water, methanol; very slightly soluble in ethanol, chloroform
Appearance: White crystalline powder
Packing: as your require
Storage: shading, confined preservation.
Usage: Viagra (Sildenafil citrate) is a drug used to treat erectile dysfunction (impotence) in males and pulmonary arterial.
Sildenafil Characteristics
The curative effect is exact, the hardness is firm and lasting; Rapid activation ability; Reliable security, has been used safely worldwide for 6 years; Continuous use is not less effective and may reverse the progression of erectile problems. In China, Viagra and erectile men are clinical drugs for the treatment of various types of erectile dysfunction.
So, in the United States, many users see it not as a drug, but as a sex benefit, a sex enhancer. The social significance of Viagra is half to help the weak, half to help the strong.
Sildenafil tablets, Viagra for erectile dysfunction, which went on sale in China in July 2000, has become one of the most talked about medical advances of the day. Since it was officially approved by the FDA in March 1998, Viagra has been a boon to thousands of ED patients worldwide and has greatly improved the lives of countless families. Clinical studies and practical application experience of a large number of people have proved that Viagra may ensure that men with erectile problems can obtain a comprehensive and high-quality erection. It has the following characteristics: the curative effect is exact, the hardness is firm and lasting; Rapid activation ability; Reliable security, has been used safely worldwide for 6 years; Continuous use is not less effective and may reverse the progression of erectile problems. In China, Viagra is the preferred drug for the clinical treatment of all types of ED. Viagra does not cause libido. Its purpose is to help ED patients regain normal erectile function when sexual drive occurs.
That means Viagra’s main function is to restore a person’s normal sexual function, giving you a natural erection when you are sexually aroused. This is the biggest benefit of Viagra, let people recover natural erectile sexual function, natural sex. And Viagra actually has a strong delay effect. There are a lot of people do some experiments, usually half an hour of sex, after taking Viagra can last an hour. It turns out that many people are also using Viagra as an aphrodisiac. So Viagra is actually more than just an impotence drug. It turns out that Viagra is also a very good aphrodisiac, genuine sellers have sky Viagra network and so on. Viagra has the effect in 4-8 hours, and can take effect in a short time, 24 hours after the drug is completely discharged from the body, in line with 90% of the general male sexual behavior habits, with human care.
