CAS 171599-83-0 Oral tablets Natural Male Enhancement Steroids
Sildenafil Citrate For Men
Name: Sildenafil citrate
trade name: viagra
CAS Number: 171599-83-0
content:99.5% Sildenafil citrate
Solubility: Slightly soluble in water, methanol; very slightly
soluble in ethanol,
Appearance: White crystalline powder
Packing: as your require
Storage: shading, confined preservation.
Sildenafil citrate is the raw material of Viagra, viagra treats
erectile dys function and works by relaxing muscles and increases
blood flow to particular areas of the body (in this case, the
penis, specifically). Its effects last up to four hours. The most
common side effects of Viagra are headache, facial flushing, and
upset stomach. Rarely, blurred vision, or sensitivity to light may
As well as treating impotence, Sildenafil Citrate can also be
effective in treating Pulmonary Arterial Hypertension (PAH).
Similarly to how it acts to relax muscles of the penis, it relaxes
arterial walls; therefore, reducing resistance and pressure in the
Sildenafil Citrate is solely active in relaxing muscles and
increasing blood flow to the heart, lungs and penis due to PDE-5,
yet vasodilation is not increased in other parts of the body.
Sildenafil citrate, sold as Viagra, Revatio and under various other
trade names, is a drug used to treat erectile dysfunction and
pulmonary arterial hypertension (PAH).
used in the treatment of penile erectile dysfunction (ED).
The primary indication of sildenafil is treatment of erectile
dysfunction (inability to sustain a satisfactory erection to
complete intercourse). Its use is now standard treatment for
erectile dysfunction in all settings, including diabetes.
People on antidepressants may experience sexual dysfunction, either
as a result of their illness or as a result of their treatment. A
2003 study showed that sildenafil improved sexual function in men
in this situation. Following up reports from 1999, the same
researchers found that sildenafil improved sexual function in
female patients on antidepressants as well.
Viagra:for erectile dysfunction, comes in blue, diamond-shaped
pills, in doses of 25, 50, or 100 milligrams. The patient takes a
maximum of one pill in a 24-hour period, between 30 minutes to 1
hour before sexual intercourse.
Revatio:for pulmonary arterial hypertension, comes in white, round,
film-coated tablets. Patients take one 20 mg Revatio tablet three
times a day.
|Description||White crystalline powder||White crystalline powder|
|Solubility||Souble in dimethylformamide,sparingly soluble in acetic acid and
slightly soluble in methanol.||Conforms|
Identification by A) IR
B)Test for citrates
The absorption maxima in the spectrum obtained with sample
corresponds in position relative intensity to those in the spectrum
obtained with sildenafil citrate CRS/working standard or with
reference spectrum of sildenafil citrate.
To complies as per I.P
|Melting Range||Between 182 ℃ to 196 ℃||188 ℃-192|
|Water by KFR||NMT2.0%||1.32%w/w|
|Citric acid content||28.0 to 34.0% w/w||29.14w/w|
|Loss on drying at 105 ℃||NMT 1.0% w/w||0.64%w/w|
|Heavy metals||NMT 20 ppm||Conforms|
|Sulphated ash||NMT 0.10% w/w||Conforms|
|Related substance by HPLC|
N-Oxide impurity NMT 0.50%
Chloro sulphonyl impurity NMT 0.20%
Any other impurity NMT 0.30%
Total impurities NMT 1.5%
The effects of Viagra are once again simple: the individual does
not have the ability to produce or maintain an erection and Viagra
provides the ability.
Headache, heartburn, Dizziness
Usual Adult Dose for Erectile Dysfunction:
Initial dose: 50 mg orally once a day, as needed, 1 hour prior to
Maintenance: 25 to 100 mg orally once a day, as needed, 1 hour
prior to sexual activity
Comments: This drug may be taken anywhere from 30 minutes to 4
hours before sexual activity.
Use: Treatment of erectile dysfunction
Usual Geriatric Dose for Erectile Dysfunction:
Initial dose: 25 mg orally once a day 1 hour prior to sexual
Use: Treatment of erectile dysfunction
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