Male Sex Enhancer Sildenafil Viagra CAS139755-83-2
Sildenafil/Viagra Powder Details
Sildenafil Name:Sildenafil
Sildenafil Alias:Viagra, Revatio
Sildenafil CAS: 139755-83-2
Sildenafil Assay: 99% min.
Sildenafil Molecular Formula: C22H30N6O4S
Sildenafil Molecular Weight: 474.58
Sildenafil Character: White or almost white crystalline powder.
Sildenafil Purity: 99%
Sildenafil Appearance: White powder, odorless, taste bitter and astringent insoluble in water and alcohol.
Sildenafil Function:Used in the treatment of penile erectile dysfunction (ED).
Sildenafil/Viagra COA of Sildenafil (Viagra):
Tests | Specifications | Result |
Description | White or almost white crystalline powder | White crystalline powder |
Solubility | diffluent in Ach, slightly soluble in methanol,almost insoluble in chloroform | Complies |
HPLC | Comply with standard | Complies |
A292/A227 | 2.28~2.42 | 2.36 |
IR | IR should comply with the reference standard spectrum | Complies |
citrate | positive | Complies |
Acidity | 3.0~5.0 | 3.63 |
Loss on Drying | ≤1.0% | 0.32% |
Residue on ignition | ≤0.1% | 0.04% |
Heavy Metals | ≤10ppm | Complies |
Relevant Impurity | ≤0.5% | 0.28% |
Methanol | ≤0.3% | 0.02% |
Methylene dichloride | ≤0.06% | 0.017% |
N,N-Dimethyl formamide | ≤0.088% | Complies |
Assay | 98.0~99.9% | 99.1% |
Sildenafil/Viagra Description
Sildenafil (Viagra) is used to treat erectile dysfunction (impotence; inability to get or keep an erection) in men. Sildenafil (Revatio) is used to improve the ability to exercise in people with pulmonary arterial hypertension (PAH; high blood pressure in the vessels carrying blood to the lungs, causing shortness of breath, dizziness, and tiredness).
Sildenafil is in a class of medications called phosphodiesterase (PDE) inhibitors. Sildenafil treats erectile dysfunction by increasing blood flow to the penis during sexual stimulation. This increased blood flow can cause an erection. Sildenafil treats PAH by relaxing the blood vessels in the lungs to allow blood to flow easily.


Sildenafil/Viagra for Sexual Dysfunction
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.
Sildenafil/Viagra Dosing Information
Usual Adult Dose of Sildenafil for Erectile Dysfunction:
Initial dose: 50 mg orally once a day, as needed, 1 hour prior to sexual activity
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 Adult Dose for Pulmonary Hypertension:
Revatio (R):
Oral:
-Initial dose: 5 or 20 mg orally three times a day, 4 to 6 hours apart
-Maximum dose: 20 mg orally three times a day
Injection:
-Initial dose: 2.5 or 10 mg IV bolus three times a day
Comments:
-No greater efficacy was achieved with oral doses higher than the maximum recommended dose.
-A 10 mg injection dose is predicted to provide pharmacological effect equivalent to the 20 mg oral dose.
Use: Treatment of PAH (WHO Group I) in adults to improve exercise ability and delay clinical worsening
Usual Geriatric Dose of Sildenafil for Erectile Dysfunction:
Initial dose: 25 mg orally once a day 1 hour prior to sexual activity
Use: Treatment of erectile dysfunction
Sex Enhancement Hormone
Cialis (Tadalafil) | CAS: 171596-29-5 |
Sildenafil Citrate(Sildenafil) | CAS: 171599-83-0 |
Sildenafil Mesylate | CAS: 139755-83-2 |
Sildenafil (Viagra) | CAS: 139755-83-2 |
Vardenafil (Levitra) | CAS: 224785-91-5 |
Avanafil | CAS: 330784-47-9 |
Acetildenafil (Hongdenafil) | CAS: 831217-01-7 |
Dapoxetine | CAS: 119356-77-3 |
Dapoxetine HCl | CAS: 1071929-03-7 |
Dutasteride | CAS: 164656-23-9 |
Finasteride | CAS: 98319-26-7 |
Yohimbine HCl | CAS: 65-19-0 |
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