Sildenafil Chlorosulfonyl

Sildenafil chlorosulfonyl is a synthetic intermediate in the synthesis of the phosphodiesterase 5 (PDE5) inhibitor sildenafil (Cay-10008671). It is also a potential impurity found in commercial preparations of sildenafil.Formal Name: 3-(6,7-dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl chloride. CAS Number: 139756-22-2. Synonyms: CMP. Molecular Formula: C17H19ClN4O4S. Formula Weight: 410.9. Purity: >98%. Formulation: (Request formulation change), A solid. Solubility: Chloroform: 1 mg/ml, DMSO: slightly soluble. lambdamax: 273 nm. SMILES: O=C1N=C(C2=C(OCC)C=CC(S(=O)(Cl)=O)=C2)NC3=C1N(C)N=C3CCC. InChi Code: InChI=1S/C17H19ClN4O4S/c1-4-6-12-14-15(22(3)21-12)17(23)20-16(19-14)11-9-10(27(18,24)25)7-8-13(11)26-5-2/h7-9H,4-6H2,1-3H3,(H,19,20,23). InChi Key: RVVOSOSBFSYZDM-UHFFFAOYSA-N.