5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one

• CAT Number: R005367
• CAS Number: 139756-22-2
• Molecular Formula: C17H19ClN4O4S
• Molecular Weight: 410.87
• Purity: ≥95%
• Synonyms: 3-(4,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo[4,3-d]pyrimidin-5-yl)-4-ethoxy-benzenesulfonyl Chloride
• Storage: -20°C
• IUPAC Name: 4-ethoxy-3-(1-methyl-7-oxo-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-5-yl)benzenesulfonyl chloride
• InChI: 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)
• InChIKey: RVVOSOSBFSYZDM-UHFFFAOYSA-N
• SMILES: CCCC1=NN(C2=C1N=C(NC2=O)C3=C(C=CC(=C3)S(=O)(=O)Cl)OCC)C

5-(5-Chlorosulfonyl-2-ethoxyphenyl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one（Cat No.:R005367）is a complex heterocyclic compound featuring a pyrazolo[4,3-d]pyrimidinone core substituted with methyl and propyl groups at positions 1 and 3, respectively. At position 5, it bears a substituted phenyl ring carrying ethoxy and chlorosulfonyl groups. This structure combines aromatic, sulfonyl, and heterocyclic features, offering sites for further derivatization and biological activity modulation. The molecule is of interest in medicinal chemistry, especially in the development of kinase inhibitors or other bioactive scaffolds due to its hydrogen bonding potential, heteroaromatic rigidity, and functional group diversity.