Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C) CAS 90-64-2
| CAS No. | 90-64-2 |
| Molecular Formula | C8H8O3 |
| Molecular Weight | 152.15 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H8O3, Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 152.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C) (CAS 90-64-2) is a certified pharmaceutical impurity reference standard with the molecular formula C8H8O3 and a molecular weight of 152.15 g/mol.
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.
As a certified reference material (CRM), Pregabalin EP Impurity C(Glycopyrronium Bromide EP Impurity C) 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 | C8H8O3 |
| Molecular Weight | 152.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Pregabalin Standards
- Pregabalin Impurity 66 (CAS 143420-53-5)
- Pregabalin Impurity 63 (CAS 7214-61-1)
- Pregabalin Impurity 65 (CAS 869-02-3)
- Pregabalin Impurity 150 (CAS 51840-50-7)
- Pregabalin Impurity 151 (CAS 57422-87-4)
- Pregabalin Impurity 115 (CAS CATO-C4X-1312115)
- Pregabalin Impurity N48 (CAS 35158-25-9)
- pregabalin Impurity 36 (CAS 181289-16-7)
Recommended Standards
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