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Sildenafil Citrate-Viagra

Sildenafil Citrate-Viagra

What is Sildenafil Citrate/Viagra,How to get Sildenafil Citrate,Wholesale Viagra powder Supplier,How Viagra work,Sildenafil Citrate therapy

Product Name:Sildenafil citrate(Viagra)
CAS No:171599-83-0
Molecular Formula:C28H38N6O11S
Molecular Weight:666.7
Assay:98% min
Quality Standard:USP/ISO9001
Appearance:Off-white crystalline powder
Supply Ability:500-800kg/month
Storage:Store at 8℃-20℃, protect from moisture and light.

Chemical Properties of Sildenafil citrate:

Test Of Analysis Standard Of Analysis Results Of Analysis
Solubility Diffluent in ach, slightly soluble in methanol,

almos insoluble in chloroform

Complies
Identification HPLC Comply with standard Complies
IR IR should comply with the reference standard

spectrum

Complies
Citrate Positive Complies
Loss on drying ≤1.0% 0.35%
Acidity 3.0-5.0 3.78
Residue on ignition ≤0.1% 0.07%
Heavy metals ≤20ppm Complies
Relevant impurity ≤0.5% 0.028%
Methanol ≤0.3% 0.02%
Methylene dichloride ≤0.06% 0.017%
N,N-Dimethyl formamide ≤0.088% Not detected
Assay 97.0~103.0% 99.89%

Description:
Sildenafil is a phosphodiesterase type 5 (PDE5) inhibitor. It works by relaxing and dilating the blood vessels in the lungs. This lowers the blood pressure in the lungs andhelps to improve your ability to exercise.When you tood it maybe cause drowsiness, dizziness, fainting, or blurred vision. dizziness, light-headedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. Take the medication with some water. It is better to start with 50 mg and, if necessary, consult your doctor whether you can increase the dose. The specialist must write you a prescription and calculate the individual dosage of the drug. You should not take a larger dose without the doctor’s recommendations.

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