Pramipexole Impurity 20 CAS CATO-C4X-110720
| CAS No. | CATO-C4X-110720 |
| Molecular Formula | C7H9N3S |
| Molecular Weight | 167.23 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 167.23 g/mol gives Pramipexole Impurity 20 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, Pramipexole Impurity 20 (CAS CATO-C4X-110720, C7H9N3S) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Pramipexole Impurity 20 (C7H9N3S) contains a nitrile group, sulfur-containing functionality, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 167.23 g/mol, it falls into the medium-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.
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 | C7H9N3S |
| Molecular Weight | 167.23 g/mol |
| Purity | 97%+ |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Pramipexole Standards
- Pramipexole Impurity 39 (CAS 113030-24-3)
- Pramipexole Impurity 42 (CAS 106006-83-1)
- Pramipexole EP Impurity A (CAS 106092-09-5)
- Pramipexole Impurity 45 (CAS 106092-11-9)
- Pramipexole Impurity 46 (CAS 104617-49-4)
- Pramipexole Impurity 74 (CAS 1391053-80-7)
- Pramipexole Impurity 43 (CAS 1001648-75-4)
- Pramipexole Impurity 44 (CAS 1001648-65-2)
Recommended Standards
- 2154-70-3 3-Cyano-2,2,5,5-tetramethyl-1-pyrrolidinyl-N-oxyl 1-Pyrrolidinyloxy, 3-cyano-2,2,5,5-tetramethyl- 3-Cyano-proxyl (CAS 2154-70-3)
- Dotinurad Impurity 80 (CAS CATO-C4X-249480)
- S-(Pyridin-2-ylmethyl) ethanethioate (CAS 35250-75-0)
- Methylmagnesium Iodide-13C (CAS 105176-13-4)
- Ceftriaxone Impurity 23 (CAS CATO-C4X-116323)
- Baclofen Impurity 46 (CAS CATO-C4X-101246)
- Relebactam Impurity 16 (CAS CATO-C4X-214416)
- 6-Bromo-4-(trifluoromethyl)nicotinonitrile (CAS 1807025-03-1)
- 2-((5-Methyl-1,2,4-oxadiazol-3-yl)methoxy)benzonitrile (CAS 1042645-80-6)
- (1,1-Difluorobutyl)benzene (CAS 1204296-07-0)
- Lifitegrast Impurity 17 (CAS 2322380-15-2)
- 3,4,5-Trimethoxy-N-(2-(4-(3,4,5-trimethoxybenzoyl)piperazin-1-yl)ethyl)benzamide (CAS 20088-04-4)
- Methyl 2,4-dimethyl-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-7-carboxylate (CAS 1092352-44-7)
- Gastric Inhibitory Polypeptide (6-30) amide (human) (CAS 1139691-72-7)
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