| CAS No. | 139755-87-6 |
| Molecular Formula | C24H34N6O5S |
| Molecular Weight | 518.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 518.63 g/mol gives Propoxyphenyl Homohydroxysildenafil distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Propoxyphenyl Homohydroxysildenafil (CAS 139755-87-6), a certified reference material (molecular formula C24H34N6O5S, MW 518.63 g/mol) for analytical method development and quality control.
Based on its molecular formula C24H34N6O5S, Propoxyphenyl Homohydroxysildenafil contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 518.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Propoxyphenyl Homohydroxysildenafil meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C24H34N6O5S |
| Molecular Weight | 518.63 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 1 |