2-(2,7-Bis(N-(o-tolyl)sulfamoyl)-9H-fluoren-9-ylidene)hydrazinecarboxamide CAS 303059-57-6
| CAS No. | 303059-57-6 |
| Molecular Formula | C28H25N5O5S2 |
| Molecular Weight | 575.66 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 575.66 g/mol gives 2-(2,7-Bis(N-(o-tolyl)sulfamoyl)-9H-fluoren-9-ylidene)hydrazinecarboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-(2,7-Bis(N-(o-tolyl)sulfamoyl)-9H-fluoren-9-ylidene)hydrazinecarboxamide (CAS 303059-57-6) is a high-purity analytical reference standard with the molecular formula C28H25N5O5S2 and a molecular weight of 575.66 g/mol.
2-(2,7-Bis(N-(o-tolyl)sulfamoyl)-9H-fluoren-9-ylidene)hydrazinecarboxamide (C28H25N5O5S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 2-(2,7-Bis(N-(o-tolyl)sulfamoyl)-9H-fluoren-9-ylidene)hydrazinecarboxamide 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.
Physical & Chemical Properties
| Molecular Formula | C28H25N5O5S2 |
| Molecular Weight | 575.66 g/mol |
| Purity | 97%+ |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 2 |
Recommended Standards
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- Semaglutide impurity 106 (CAS CATO-C4X-2226106)
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