| CAS No. | 889955-68-4 |
| Molecular Formula | C19H16ClFN4OS |
| Molecular Weight | 402.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 402.87 g/mol gives 5-Amino-N-(3-chloro-4-fluorophenyl)-7-thia-1,9-diazatetracyclo[9.2.2.0^{2,10}.0^{4,8}]pentadeca-2,4(8),5,9-tetraene-6-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Amino-N-(3-chloro-4-fluorophenyl)-7-thia-1,9-diazatetracyclo[9.2.2.0^{2,10}.0^{4,8}]pentadeca-2,4(8),5,9-tetraene-6-carboxamide (CAS 889955-68-4), molecular formula C19H16ClFN4OS and molecular weight 402.87 g/mol, is a CATO reference standard with documented purity and traceability.
5-Amino-N-(3-chloro-4-fluorophenyl)-7-thia-1,9-diazatetracyclo[9.2.2.0^{2,10}.0^{4,8}]pentadeca-2,4(8),5,9-tetraene-6-carboxamide (C19H16ClFN4OS) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 5-Amino-N-(3-chloro-4-fluorophenyl)-7-thia-1,9-diazatetracyclo[9.2.2.0^{2,10}.0^{4,8}]pentadeca-2,4(8),5,9-tetraene-6-carboxamide 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 | C19H16ClFN4OS |
| Molecular Weight | 402.87 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |