Solifenacin Impurity 28 CAS 120577-33-5
| CAS No. | 120577-33-5 |
| Molecular Formula | C15H22N2 |
| Molecular Weight | 230.35 g/mol |
| 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 Solifenacin Impurity 28.
Solifenacin Impurity 28 (CAS 120577-33-5) is a certified pharmaceutical impurity reference standard with the molecular formula C15H22N2 and a molecular weight of 230.35 g/mol.
Based on its molecular formula C15H22N2, Solifenacin Impurity 28 contains a nitrogen-containing heterocyclic scaffold, a nitrile group; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 230.35 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), Solifenacin Impurity 28 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 | C15H22N2 |
| Molecular Weight | 230.35 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 2 |
Related Solifenacin Standards
- Solifenacin Impurity 13 (CAS 142999-60-8)
- Solifenacin Impurity 10 (CAS 90861-84-0)
- Solifenacin Impurity 24 (CAS 3278-14-6)
- Solifenacin Impurity 35 (CAS 7500-45-0)
- Solifenacin Impurity 9 (CAS CATO-C4X-10539)
- rac-Solifenacin EP Impurity A (CAS 22990-19-8)
- Solifenacin EP Impurity A (CAS 118864-75-8)
- Solifenacin Impurity 13 (CAS 52250-50-7)
Recommended Standards
- 1,3-Bis(3-(dimethylamino)propyl)urea (CAS 52338-87-1)
- Flunarizine impurity 42 (CAS CATO-C4X-135742)
- (4-aminopentyl)ethyl-carbamic Acid 1,1-Dimethylethyl Ester 887353-45-9 Ethyl-(4-aminopentyl)-ethyl-carbamic Acid, t-Butyl Ester N-(t-Boc)-N-ethyl-4-aminopentylamine (CAS 887353-45-9)
- Butylphthalide Impurity 77 (CAS CATO-C4X-181377)
- Tolvaptan Impurity 96 (CAS 1587638-01-4)
- Ceritinib Impurity 16 (CAS CATO-C4X-1048916)
- Cefotaxime Impurity 67 (CAS CATO-C4X-120167)
- 2-Bromo-4-(chloromethyl)-5-(difluoromethyl)pyridin-3-ol (CAS 1805368-58-4)
- Risdiplam impurity 7 (CAS CATO-C4X-30127)
- 5-(3,4-Dihydro-2H-pyrrol-5-yl)-2-ethoxypyridine (CAS 1352503-65-1)
- Cyclopropyl(3,4-difluorophenyl)methanamine (CAS 535925-85-0)
- 5-methylquinolin-4-ol (CAS 848128-81-4)
- tert-Butyl 4-(5-nitro-2-oxo-1,3-benzoxazol-3(2H)-yl)piperidine-1-carboxylate (CAS 1142202-17-2)
- Neuropeptide Y (3-36) (human, rat) trifluoroacetate salt (CAS 150138-78-6)
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