99% Purity White Powder Sildenafil Citrate , for Men Sexual Enhancement
Product Name | Sildenafil Citrate |
Synonyms | ,Revatio, Sildenafil citrdined, Sildenafil Citrgot;Sildenafil citringested |
CAS Registry Number | 171599-83-0 |
Assay | 98.8% |
MF | C28H38N6O11S |
MW | 666.7 |
Appearance | White Solid |
Grade | Pharmaceutical Grade |
Items | Specifications | Results |
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 |
Conforms |
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% |
Not detected Not detected 0.07% 0.20% |
Standard | USP28 |
Sildenafil Citrate Effect
Sildenafil citrate, sold as , Revatio and under various other trade names, is a drug used to treat erectile dysfunction and pulmonary arterial hypertension (PAH).It acts by inhibiting cGMP-specific phosphodiesterase type 5 (PDE5), an enzyme that promotes degradation of cGMP, which regulates blood flow in the penis.
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.
Medical Uses
1)Sexual dysfunction
2)Pulmonary hypertension
3)Antidepressant-associated sexual dysfunction
4)Altitude sickness
Sildenafil Dosage
: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.
Q1: How to start orders or make payments?
A: Proforma invoice will be sent first after confirmation of order, enclosed our bank information. Payment by T/T, or Paypal or Escrow(Alibaba).
Q2: How to confirm the Product Quality before placing orders?
A:You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.
Q3: How about delivery leadtime?
A:Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q4:Is there a discount?
A:Different quantity has different discount.
Q5: How do you treat quality complaint?
A:First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.