Mianserin impurity 24 CAS CATO-C4X-136924
| CAS No. | CATO-C4X-136924 |
| Molecular Formula | C25H29N3O |
| Molecular Weight | 387.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Mianserin impurity 24 (CAS CATO-C4X-136924), a pharmacopoeial impurity reference standard (molecular formula C25H29N3O, MW 387.52 g/mol) used for the identification and quantification of trace impurities in APIs.
Mianserin impurity 24 (C25H29N3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C25H29N3O |
| Molecular Weight | 387.52 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Mianserin Standards
- Mianserin Impurity 83 (CAS CATO-C4X-136983)
- Mianserin Impurity 86 (CAS CATO-C4X-136986)
- Mianserin Impurity 96 (CAS CATO-C4X-136996)
- Mianserin Impurity 101 (CAS CATO-C4X-1369101)
- Mianserin impurity 27 (CAS CATO-C4X-136927)
- Mianserin Impurity 111 (CAS CATO-C4X-1369111)
- Mianserin Impurity 71 (CAS CATO-C4X-136971)
- Mianserin EP impurity B (CAS 140636-22-2)
Recommended Standards
- Propan-2-yl 2-{[3-cyano-6-methyl-4-(thiophen-2-yl)-5,6,7,8-tetrahydro-1,6-naphthyridin-2-yl]sulfanyl}acetate (CAS 445384-91-8)
- N-(4-(Dimethylamino)phenyl)-2-((4-ethyl-5-(thiophen-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618412-18-3)
- N-(2-Aminoethyl)-N-(2-(phenylthio)ethyl)isoquinoline-5-sulfonamide (CAS 651307-21-0)
- N-(1-Cyanocyclopentyl)-2-((5-((4-ethylphenyl)amino)-1,3,4-thiadiazol-2-yl)thio)acetamide (CAS 863420-46-6)
- Mivacurium chloride Impurity 24 (CAS 188956-91-4)
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