Alvimopan impurity 12 CAS CATO-C4X-114512
| CAS No. | CATO-C4X-114512 |
| Molecular Formula | C23H29NO3 |
| Molecular Weight | 367.48 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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.
As a process- or degradation-related impurity, Alvimopan impurity 12 (CAS CATO-C4X-114512, C23H29NO3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Based on its molecular formula C23H29NO3, Alvimopan impurity 12 contains a steroid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 367.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
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.
Physical & Chemical Properties
| Molecular Formula | C23H29NO3 |
| Molecular Weight | 367.48 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Alvimopan Standards
- Alvimopan impurity 10 (CAS CATO-C4X-114510)
- Alvimopan impurity 14 (CAS CATO-C4X-114514)
- Alvimopan Impurity 4 (CAS 156130-41-5)
- Alvimopan impurity 16 (CAS CATO-C4X-114516)
- Alvimopan impurity 13 (CAS CATO-C4X-114513)
- Alvimopan Impurity 3 (CAS 170098-29-0)
- Alvimopan Impurity 9 (CAS CATO-C4X-11459)
- Alvimopan Impurity 19 (CAS 1314751-85-3)
Recommended Standards
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