Atogepant Impurity 45 CAS CATO-C4X-328545
| CAS No. | CATO-C4X-328545 |
| Molecular Formula | C29H23F6N5O3 |
| Molecular Weight | 603.52 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 603.52 g/mol gives Atogepant Impurity 45 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Atogepant Impurity 45 (CAS CATO-C4X-328545) is a certified pharmaceutical impurity reference standard with the molecular formula C29H23F6N5O3 and a molecular weight of 603.52 g/mol.
Based on its molecular formula C29H23F6N5O3, Atogepant Impurity 45 contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 603.52 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).
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 | C29H23F6N5O3 |
| Molecular Weight | 603.52 g/mol |
| Purity | ≥98% |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Related Atogepant Standards
- Atogepant Impurity 39 (CAS CATO-C4X-328539)
- Atogepant Impurity 40 (CAS CATO-C4X-328540)
- Atogepant Impurity 41 (CAS CATO-C4X-328541)
- Atogepant Impurity 42 (CAS CATO-C4X-328542)
- Atogepant Impurity 43 (CAS CATO-C4X-328543)
- Atogepant Impurity 44 (CAS CATO-C4X-328544)
- Atogepant Impurity 46 (CAS CATO-C4X-328546)
- Atogepant Impurity 75 (CAS CATO-C4X-328575)
Recommended Standards
- Atogepant (CAS 1374248-81-3)
- Cintirorgon (LYC-55716) (CAS 2055536-64-4)
- (2R,3S,4S,5R,6R)-3,4,5-tris(benzyloxy)-2-((benzyloxy)methyl)-6-bromotetrahydro-2H-pyran (CAS 53081-30-4)
- (2S,3R,4S,5S,6S)-2,3,4,5-tetrakis(benzyloxy)-6-(bromomethyl)tetrahydro-2H-pyran (CAS 79774-73-5)
- Dapagliflozin Impurity 175 (CAS CATO-C4X-1138175)
- Clindamycin Impurity 160 (CAS CATO-C4X-1341160)
- Sodium Cromoglicate Impurity 19 (CAS CATO-C4X-201119)
- 3-Bromo-8,8-dimethyl-8H-indolo[3,2,1-de]acridine (CAS 1224892-52-7)
- 2-Bromo-4-(chloromethyl)-6-(difluoromethyl)pyridine (CAS 1805201-69-7)
- 2-(Trifluoromethyl)-5,6,7,8-tetrahydropyrido[4,3-d]pyrimidin-4-ol (CAS 741737-19-9)
- [3,2':5',3''-Terpyridine]-3'-carbaldehyde (CAS 1227584-56-6)
- (3-Bromophenyl)(3,5-dichlorophenyl)methanone (CAS 844879-42-1)
- 3,4-Dimethoxy-2-methylbenzaldehyde (CAS 51234-09-4)
- Lixisenatide (CAS 320367-13-3)
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