Product name: Sildenafil
Molecular Weight: 474.58
Other names: Revatio, Viagra
Description: White or almost white slightly hygroscopic crystalline powder.
Solubility: Slightly soluble in water and in methanol, Practically insoluble in hexane.
Overview: sildenafil citrate powder CAS 139755-83-2 is used to treat male sexual function problems (impotence or erectile dysfunction-ED). In combination with sexual stimulation, sildenafil works by increasing blood flow to the penis to help a man get and keep an erection.
|Description||White or almost white slightly hygroscopic crystalline powder.||White crystalline powder|
|Solubility||Slightly soluble in water and in methanol, Practically insoluble in hexane.||Conforms|
|Identification||The absorption maxima in the spectrum obtained with sample corresponds in position and relative intensity to those in the spectrum obtained with DIN-5-YL)-4-ETHOXYPHENYL)SULFONYL)-4-METHYL-,2-HYDROXY-1,2,3-PROPANETRICARBO USP CRS||Conforms|
|Limit of Imidazole by TLC||Not more than 0.1%||Conforms|
|Residual Solvents by GC|
|Ethyl acetatae||≤ 5000 ppm||ND|
|Related compound – A≤0.3%||0.02%|
|Any other unspecified individual impurity≤0.1%||0.04%|
|Total unspecified impurities≤0.3%||0.09%|
|Water content by KF||Not more than 2.50%||0.87%|
|Residue on ignition||Not more than 0.10%||0.07%|
|Heavy metals||Not more than 20 ppm||Complies|
|Assay by HPLC||98.0% to 102.0%||99.50%|
Q1: Can I get some samples?
A: Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2: How to start orders or make payments?
A: Pro forma invoice will be sent first after confirmation of the order, enclosed is our bank information. Payment by T/T, Western Union or , Remitly.
Q3: 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.
Q4: What’s your MOQ?
A: Our MOQ is 1 kg. But usually, we accept less quantity such as 100g on the condition that the sample charge is 100% paid.
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