5-(2-Ethoxyphenyl)-1-methyl-3-<I>n</I>-propyl-1,6-dihydro-7<I>H</I>-pyrazolo[4,3-<I>d</I>]-7-pyrimidinone , 97% , 139756-21-1

CAS NO.：139756-21-1

Empirical Formula: C17H20N4O2

Molecular Weight: 312.37

MDL number: MFCD03093929

PRODUCT Properties

• Melting point: 141-145 °C(lit.)
• Density: 1.26±0.1 g/cm3(Predicted)
• storage temp.: Sealed in dry,2-8°C
• solubility: DMSO (Slightly), Methanol (Slightly)
• form: Solid
• pka: 10.27±0.20(Predicted)
• color: White to Pale Beige
• InChI: InChI=1S/C17H20N4O2/c1-4-8-12-14-15(21(3)20-12)17(22)19-16(18-14)11-9-6-7-10-13(11)23-5-2/h6-7,9-10H,4-5,8H2,1-3H3,(H,18,19,22)
• InChIKey: MXQUEDUMKWBYHI-UHFFFAOYSA-N
• SMILES: C1(C2=CC=CC=C2OCC)NC(=O)C2N(C)N=C(CCC)C=2N=1
• CAS DataBase Reference: 139756-21-1

Description and Uses

Sildenafil impurity.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H319-H335
• Precautionary statements: P261-P264-P271-P280-P302+P352-P305+P351+P338
• Hazard Codes: Xi
• Risk Statements: 36/37/38
• Safety Statements: 26-36
• WGK Germany: 3
• HS Code: 2933998090