Drotaverin Impurity 77 CAS CATO-C4X-243577
| CAS No. | CATO-C4X-243577 |
| Molecular Formula | C15H25NO2 |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Drotaverin Impurity 77.
As a process- or degradation-related impurity, Drotaverin Impurity 77 (CAS CATO-C4X-243577, C15H25NO2HCl) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Drotaverin Impurity 77 (C15H25NO2HCl) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 287.83 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), Drotaverin Impurity 77 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H25NO2 HCl |
| Molecular Weight | 287.83 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Drotaverin Standards
- Drotaverin Impurity 48 (CAS 1536475-50-9)
- Drotaverin Impurity N2 (CAS 21088-15-3)
- Drotaverin Impurity 50 (CAS 5409-31-4)
- Drotaverin Impurity N1 (CAS 56046-20-9)
- Drotaverin Impurity 49 (CAS 854869-48-0)
- Drotaverin Impurity 45 (CAS 855199-57-4)
- Drotaverin Impurity 37 HBr (CAS CATO-C4X-243537)
- Drotaverin Impurity 38 (CAS CATO-C4X-243538)
Recommended Standards
- Mometasone Impurity 34 (CAS CATO-C4X-170434)
- Levetiracetam Impurity 46 (CAS CATO-C4X-106746)
- Pethidine Impurity 12 (CAS 13147-07-4)
- 6-Chloro-1-tosyl-1H-indole (CAS 31271-88-2)
- 3,4-Diamino-2-methylbenzonitrile (CAS 1481633-77-5)
- Propyl 3-(4h-1,2,4-triazol-3-yl)propanoate (CAS 1384803-10-4)
- 2,4-Dichloro-N-(2-phenoxyethoxy)benzamide (CAS 338406-43-2)
- Itraconazole Impurity 19 (CAS CATO-C4X-149719)
- Carfilzomib Impurity 71 (CAS 1528769-14-3)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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