Sildenafil Viagra Man Sex Enhancement Hormones Sildenafil citrate CAS: 139755-83-2

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Sildenafil (Viagra) (Steroids) 
CAS: 139755-83-2 
Assay: 99% min. 
Molecular formula: C22H30N6O4S 
Molecular weight: 474.58 
Molecular Structure 

Packing: 1kg net/foil bag, 5kg/drum. 
Delivery: Express courier. 
Character: White or almost white crystalline powder, odorless, bitter astringent taste, insoluble in water and ethanol. 
Usage: As a cyclic guanosine monophosphate (cGMP) specific phosphodiesterase type 5 (PDE5) selective inhibitor, penile smooth muscle relaxation allows rapid erection. Sildenafil is cheap, is the development and production of low-cost classes available kidney yang-like the perfect material for medicine and health products. pharmaceutical material. 
Categories: Active Pharmaceutical Ingredients; Miscellaneous Biochemicals; Sildenafil; Erectile Dysfunction. 

Sildenafil citrate, sold as Viagra, Revatio and under various other trade names, is a drug used to treat erectile dysfunction and pulmonary arterial hypertension (PAH). It was originally discovered by Pfizer scientists Andrew Bell, David Brown, and Nicholas Terrett.It 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). 

Packaging & Delivery Process: 
1: Sufficient stock, so we can delivery promptly at the very day when receive the payment 
2: Sophisticated and professional logistic agent. We take responsibility to provide our customers with fast delivery and secure shipping. 
3:Well-trained and disciplined packing team. Unique ways to ship 10 grams to 100kg powders at one time to your destination. Fast and discreet shipment could be arranged for customs pass Guaranteed. 
4: Our company promise to deliver clients' package to his hands safely, or we'll cover the total loss and reship in time. 
5: After-sale service: Any questions or problems after receiving the product, please feel free to contact us. Problems would be solved immediately. 

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