Product Description
Sildenafil ( )
Purity: ≥99.8%                                                                       
Molecular Formular:C22H30N6O4S
Molecular Weight: 474.6
CAS: 139755-83-2

Characteristics: white or off-white crystal powder, odorless, bitter, can't melt in water and ethanol
Functions: This ingredients can be made into tablet, capsule and beverage. The dosage for an adult is 25-100mg for one time, which based on the individual character. It can work best on an empty stomach or after eating a low-fat meal. Do not drink wine or tea. It can work in twenty minutes at the soonest. The erection period is less than thirty mins for some patients, sildenafil has the shortest effectve time.

Sildenafil Mesylate
Purity: ≥99.8%
Characteristics: Sildenafil Mesylate is the derivant of sildenafil critate, white or off-white crystal powder, odorless, bitter, melt in water and ethanol
Functions: 52% of patients can work when taking sildenafil mesylate in 30 minutes,and 82% can work in an hour. The half-life is 5 to 12 hours. The dosage is 80-150mg. The suggested dosage for Asians is 150mg. It can be the additive ingredients in beverage.