Policresulen Impurity N1 CAS 15534-74-4
| CAS No. | 15534-74-4 |
| Molecular Formula | C15H16O2 |
| Molecular Weight | 228.29 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of Policresulen Impurity N1 (C15H16O2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
As a process- or degradation-related impurity, Policresulen Impurity N1 (CAS 15534-74-4, C15H16O2) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
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 | C15H16O2 |
| Molecular Weight | 228.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Related Policresulen Standards
- Policresulen Impurity 14 (CAS 41481-17-8)
- Policresulen Impurity 6 (CAS 17688-83-4)
- Policresulen Impurity 13 (CAS CATO-C4X-198013)
- Policresulen Impurity 14 (CAS CATO-C4X-198014)
- Policresulen Impurity 9 (CAS 69103-65-7)
- Policresulen Impurity 12 (CAS 68127-34-4)
- Policresulen impurity 21 (CAS 102014-39-1)
- Policresulen Impurity 17 (CAS 4198-72-5)
Recommended Standards
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- Alogliptin impurity 76 (CAS 1353254-17-7（free base）)
- Clomifene Impurity 7 (CAS 58280-04-9)
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- 4-Bromo-3-(bromomethyl)benzaldehyde (CAS 1261567-30-9)
- 52320-58-8 5-Ethyl-1,2-oxazole-3-carbonyl chloride DTXSID40602148 (CAS 52320-58-8)
- 1-Bromo-2-cyclopropoxy-3-isopropylbenzene (CAS 1243472-22-1)
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