N-Desmethyl Sildenafil-d8
[CAS# 1185168-06-2]

Identification

• Name: N-Desmethyl Sildenafil-d8
• Synonyms: 5-[2-ethoxy-5-(2,2,3,3,5,5,6,6-octadeuteriopiperazin-1-yl)sulfonylphenyl]-1-methyl-3-propyl-6H-pyrazolo[4,3-d]pyrimidin-7-one
• Molecular Formula: C₂₁H₂₈N₆O₄S
• Molecular Weight: 468.60
• CAS Registry Number: 1185168-06-2
• SMILES: [2H]C1(C(N(C(C(N1)([2H])[2H])([2H])[2H])S(=O)(=O)C2=CC(=C(C=C2)OCC)C3=NC4=C(C(=O)N3)N(N=C4CCC)C)([2H])[2H])[2H]

Properties

• Solubility: 21.09 mg/L (25 °C water)
• Density: 1.4±0.1 g/cm³, Calc.^*
• Index of Refraction: 1.683, Calc.^*
• Melting point: 319.94 °C
• Boiling Point: 729.80 °C, 685.7±65.0 °C (760 mmHg), Calc.^*
• Flash Point: 368.5±34.3 °C, Calc.^*

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software.

Safety Data

• Hazard Symbols: GHS07;GHS08 Danger
• Risk Statements: H302-H315-H317-H319-H334-H335-H336
• Safety Statements: P261-P305/P351/P338-P304/P340-P301/P312-P302/P352-P403/P233