Roxatidine Impurity 26 CAS CATO-C4X-121326
| CAS No. | CATO-C4X-121326 |
| Molecular Formula | C19H29N3O3 |
| Molecular Weight | 347.45 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 347.45 g/mol gives Roxatidine Impurity 26 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Roxatidine Impurity 26 (CAS CATO-C4X-121326) is a certified pharmaceutical impurity reference standard with the molecular formula C19H29N3O3 and a molecular weight of 347.45 g/mol.
The molecular framework of Roxatidine Impurity 26 (C19H29N3O3) is characterized by a steroid core, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C19H29N3O3 |
| Molecular Weight | 347.45 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
Related Roxatidine Standards
- Roxatidine Impurity 11 (CAS CATO-C4X-121311)
- Roxatidine Impurity 16 (CAS CATO-C4X-121316)
- Roxatidine Impurity 39 (CAS CATO-C4X-121339)
- Roxatidine Impurity 40 (CAS CATO-C4X-121340)
- Roxatidine Impurity 27 (CAS CATO-C4X-121327)
- Roxatidine Impurity 32 (CAS CATO-C4X-121332)
- Roxatidine Impurity 79 (CAS CATO-C4X-121379)
- Roxatidine Impurity 37 (CAS CATO-C4X-121337)
Recommended Standards
- trans-4'-cyano-[1,1'-biphenyl]-4-yl 4-propylcyclohexanecarboxylate (CAS 67284-57-5)
- Procaterol Impurity 13 (CAS CATO-C4X-181013)
- Sudoxicam (CAS 34042-85-8)
- Selexipag Impurity 65 (CAS CATO-C4X-196165)
- Metamizole Impurity 7 (CAS CATO-C4X-22637)
- Ursodeoxycholic Acid Impurity 122 (CAS CATO-C4X-1422122)
- N-Nitroso Melphalan EP Impurity K (CAS 55-18-5)
- 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-propyl-1H-1,3-benzodiazole (CAS 338774-34-8)
- 3-methyl-4-nitro-1H-pyrrolo[2,3-b]pyridine (CAS 1363380-52-2)
- (3S,4R)-3-Aminooxan-4-ol (CAS 1638744-86-1)
- Roflumilast Impurity 27 (CAS 74976-40-2)
- Dimethyl (2-cyclopropyl-2-oxoethyl)phosphonate (CAS 866406-01-1)
- Ethyl p-tolylacetate (CAS 14062-19-2)
- Semaglutide Impurity 152 xTFA (CAS CATO-C4X-2226152)
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