Cialis
Identification
Name Cialis
Synonyms (6R,12aR)-6-(1,3-Benzodioxol-5-yl)-2,3,6,7,12,12a-hexahydro-2-methyl-pyrazino[1',2':1,6]pyrido[3,4-b]indole-1,4-dione; Tadalafil
Molecular Structure
Molecular Formula C22H19N3O4
Molecular Weight 389.40
CAS Registry Number 171596-29-5
Certificate of Analysis
Appearance Crystalline powder,hygroscopic Complies
Colour Yellowish green powder Complies
Solubility Soluble in water, slightly soluble in waterfree ethanol,practical in soluble in aether Complies
Identification Must Positive Complies
Clarity of solution