Oral Healthy Sex Enhancement Drugs , CAS 171599-83-0 Sildenafil Citrate

Basic Information
Place of Origin: China
Brand Name: Senwayer Brand
Certification: ISO, 9001, USP
Model Number: 171596-29-5
Minimum Order Quantity: 10grams
Price: Discount is possible if your order is big enough
Packaging Details: 10g, 20g, 50g , 100g, 500g. 1kg, 10kg
Delivery Time: within 2 working days
Payment Terms: T/T in advance, Money Gram, Western Union, Bank Transfer.
Supply Ability: 1000kg/month
Detail Information
CAS: 171596-29-5 Alias: Tadalafil , Cialis
Apparence: Almost White Crystalline Powder Purity: 99%
Function: Men Sex Enhancement Drugs Stock: Enough Stock
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Product Description

Oral Healthy Men Sex Enhancement Drugs Sildenafil Citrate Viagra CAS 171599-83-0​
Quick detail


Name: Sildenafil citrate
CAS No.: 171599-83-0
Formula: C28H38N6O11S
Molecular Weight: 666.70
Synonyms: Piperazine,1-[[3-(4,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxyphenyl]sulfonyl]-4-methyl-(9CI);5-[2-Ethoxy-5-(4-methyl-1-piperazinylsulfonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one;Revatio;
Melting Point: 187-189 °C
Boiling Point: 672.4 °C at 760 mmHg
Flash Point: 360.5 °C
Solubility: insoluble in water, ethanol
Appearance: White solid

Viagra Description

Sildenafil Citrate, sold as Viagra, Revatio and under various other trade names. Sildenafil Citrate is a drug used to treat erectile dysfunction and pulmonary arterial hypertension (PAH). Sildenafil Citrate acts by inhibiting cGMP-specific phosphodiesterase type 5 (PDE5), an enzyme that promotes degradation of cGMP, which regulates blood flow in the penis. Since becoming available in 1998, sildenafil has been the prime treatment for erectile dysfunction; its primary competitors on the market are tadalafil (Cialis) and vardenafil (Levitra).
Viagra Usage

Viagra is generally taken 30 minutes to 1 hour before sexual activity. Viagra can also be taken 4 hours before sexual activity. The dosage should not increase more than once in a day (24 hours).
How should I take this Viagra?

Take this medicine by mouth with a glass of water. The dose is usually taken 1 hour before sexual activity. You should not take the dose more than once per day. Do not take your medicine more often than directed. Overdosage: If you think you have taken too much of this medicine contact a poison control center or emergency room at once. NOTE: This medicine is only for you. Do not share this medicine with others
Viagra Dosage Information

For most patients, the recommended dose is 50 mg taken, as needed, approximately 1 hour before sexual activity. However, VIAGRA may be taken anywhere from 30 minutes to 4 hours before sexual activity.
The maximum recommended dosing frequency is once per day.
Based on effectiveness and toleration, the dose may be increased to a maximum recommended dose of 100 mg or decreased to 25 mg.

  • Dose of Viagra for Erectile Dysfunction

The recommended starting dosage of Viagra for treating erectile dysfunction is 50 mg, taken one hour prior to sexual activity. However, you may take the drug anywhere from 4 hours to 30 minutes before sexual activity. Depending on how well it works or possible Viagra side effects you may experience, your healthcare provider may increase or decrease your dosage. The maximum recommended dose is Viagra 100 mg.
General Viagra Dosing Information

Considerations for people taking Viagra include the following:
The medication can be taken at any time during the day. However, you should not take Viagra more than once a day.
Your Viagra dosage can be taken with or without food.
For Viagra to work properly, you have to take it as prescribed. The medication will not work if you take it in a way other than how your healthcare provider prescribes.
If you are unsure about anything related to your proper dose of this medication, please talk to your doctor, nurse, or pharmacist.
Viagra COA:


Items Standard Results
Assay by HPLC: 98% 99.37%
Appearance: White fine powder Complies
Odor & taste: Slight bitter Complies
Mesh size: 100% pass 80mesh Complies
Solubility: Soluble in water Complies
Loss on drying: ≤2.0% 1.15%
Heavy metals PPM: <30ppm Complies

Total Plate Count:
Yeast & Mold:
S. Aureus:



Conclusion: Conform with USP35 standard

Viagra HPLC
Sildenafil Citrate Viagra Hormones Sex Male Enhancement Drugs CAS 171599-83-0

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