ChemNet > CAS > 139755-82-1 DESMETHYL SILDENAFIL
139755-82-1 DESMETHYL SILDENAFIL
product Name |
DESMETHYL SILDENAFIL |
Synonyms |
5-[2-Ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl- 7H-pyrazolo[4,3-d]pyrimidin-7-one; UK 103320; 5-[2-ethoxy-5-(piperazin-1-ylsulfonyl)phenyl]-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one |
Molecular Formula |
C21H28N6O4S |
Molecular Weight |
460.5498 |
InChI |
InChI=1/C21H28N6O4S/c1-4-6-16-18-19(26(3)25-16)21(28)24-20(23-18)15-13-14(7-8-17(15)31-5-2)32(29,30)27-11-9-22-10-12-27/h7-8,13,22H,4-6,9-12H2,1-3H3,(H,23,24,28) |
CAS Registry Number |
139755-82-1 |
Molecular Structure |
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Density |
1.44g/cm3 |
Melting point |
158-160℃ |
Boiling point |
685.7°C at 760 mmHg |
Refractive index |
1.683 |
Flash point |
368.5°C |
Vapour Pressur |
1.17E-18mmHg at 25°C |
Hazard Symbols |
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Risk Codes |
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Safety Description |
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