Rivaroxaban impurity 191 CAS CATO-C4X-1090191
| CAS No. | CATO-C4X-1090191 |
| Molecular Formula | C15H22N4O4 |
| Molecular Weight | 322.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Rivaroxaban impurity 191 (C15H22N4O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 322.36 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a process- or degradation-related impurity, Rivaroxaban impurity 191 (CAS CATO-C4X-1090191, C15H22N4O4) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
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 | C15H22N4O4 |
| Molecular Weight | 322.36 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| 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 | 4 |
Related Rivaroxaban Standards
- Rivaroxaban Impurity 106 (CAS CATO-C4X-1090106)
- Rivaroxaban Impurity 170 (CAS CATO-C4X-1090170)
- Rivaroxaban Impurity 156 (CAS 1616563-62-2)
- Rivaroxaban Impurity 67 (CAS 1313613-18-1)
- Rivaroxaban impurity 175 (CAS CATO-C4X-1090175)
- Rivaroxaban Impurity 173 (CAS CATO-C4X-1090173)
- Rivaroxaban EP Impurity B (CAS 1429334-00-8)
- Rivaroxaban impurity 190 (CAS CATO-C4X-1090190)
Recommended Standards
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- Eltrombopag Impurity 14 (CAS CATO-C4X-119814)
- Erlotinib Impurity 18 (CAS 1683583-37-0)
- Biotin impurity 22 (CAS 87585-00-0)
- Bifendate Impurity N2 (CAS 205117-47-1)
- Levofloxacin Impurity 83 (CAS 1268719-66-9)
- Tamsulosin Impurity 17 (CAS 21003-57-6)
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- 2-Bromo-5-n-octylthiophene (CAS 172514-63-5)
- 4-fluoropiperidine;hydrochloride (CAS 57395-89-8)
- (S)-4-Benzyl-1,3-thiazolidine-2-one (CAS 219821-18-8)
- Flupirtine Impurity G (CAS 27048-04-0)
- (2S)-2-amino-4-(hydroxymethylphosphinyl)butanoyl-L-alanyl-L-alanine (2S)-2-amino-4-[hydroxy(methyl)phosphinoyl]butyryl-L-alanyl-L-alanine 2-Amino-4-(methylphosphino)butyrylalanylalanine 35597-43-4 Antibiotic SF 1293 Bialaphos CHEBI:3088 L-phosphinothricyl-L-alanyl-L-alanine N-{(2S)-2-amino-4-[hydroxy(methyl)phosphoryl]butanoyl}-L-alanyl-L-alanine PTT Phosphinothricylalanylalanine bilanafos gamma-(Hydroxymethylphosphinyl)-L-alpha-aminobutyryl-L-alanyl-L-alanine phosphinothricin tripeptide (CAS 35597-43-4)
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