Description
Sildenafil.citrate, 1.0 mg/1 ml calibrated in methanol
Sildenafil.citrate
| Product reference number | SIL-984-CI |
| Full chemical name | 1-((3-(6,7-Dihydro-1-methyl-7-oxo-3-propyl-1H-pyrazolo(4,3-d)pyrimidin-5-yl)-4-ethoxyphenyl)sulfonyl)-4-methylpiperazine citrate |
| Formula | C22H30N6O4S.C6H8O7 |
| Molecular weight | 666.7 |
| Chemical abstract number | 171599-83-0 |
| Supplied as | citrate salt |
| Appearance | white to off-white crystalline powder |
| IR | corresponds |
| UV max [nm] (mol, solvent) | 291.0 ± 1.0 (13000 ± 1000, methanol) |
| Melting point[Celsius] | 190 ± 3 |
| HPLC purity [%] | >98.5 |
| Free base content [%] | >68.7 |
| Water content [%] | <2 |
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