| Message: | CAS: 139755-91-2
Assay: 99% min.
Molecular Formula: C22H30B6O4S. CH3SO3H
Molecular Weight: 570
Packing:foil bags,1kg net/foil bag, 5kg/drum.
Appearance: White or white crystalline powder, odorless, bitter astringent taste, soluble in water and ethanol
Usage: pharmaceutical material, hormone. 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.
Note:(I can provide factory price ,120$ /1kg )
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