Imipenem Impurity 6 CAS 85604-01-9
| CAS No. | 85604-01-9 |
| Molecular Formula | C23H30N4O8S2 |
| Molecular Weight | 554.64 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 554.64 g/mol gives Imipenem Impurity 6 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Imipenem Impurity 6 (CAS 85604-01-9) is a certified pharmaceutical impurity reference standard with the molecular formula C23H30N4O8S2 and a molecular weight of 554.64 g/mol.
Imipenem Impurity 6 (C23H30N4O8S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), Imipenem Impurity 6 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 | C23H30N4O8S2 |
| Molecular Weight | 554.64 g/mol |
| Purity | >95% |
| Storage | Store in a cool place (≤25°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |
Related Imipenem Standards
- Imipenem Impurity 125 (CAS CATO-C4X-1662125)
- Imipenem Impurity 119 (CAS CATO-C4X-1662119)
- Imipenem Open-loop Dimer (CAS CATO-C4X-1662115)
- Imipenem Open-loop Dimer 2 (CAS CATO-C4X-1662123)
- Imipenem Impurity 132 (CAS CATO-C4X-1662132)
- Imipenem Impurity 7 (CAS 130792-44-8)
- Imipenem Impurity 117 (CAS CATO-C4X-1662117)
- Imipenem Impurity 106 (CAS CATO-C4X-1662106)
Recommended Standards
- 4,6-Bis[3,5-di(3-pyridyl)phenyl]-2-methylpyrimidine (CAS 925425-96-3)
- Leu-Enkephalin, amide (CAS 60117-24-0)
- 4,4'''-(5-Methyl-1,3-phenylene)di-2,2':6',2''-terpyridine (CAS 258834-70-7)
- Boc-Thr(Leu-Fmoc)-OH (CAS 944283-26-5)
- Tenofovir disoproxil Impurity 33 (CAS CATO-C4X-107633)
- Polaprezinc impurity 29 (CAS 21032-84-8)
- Entacapone Impurity 25 (CAS 6635-20-7)
- 2-chloro-4-(difluoromethyl)-1,3-thiazole-5-carboxylic acid (CAS 2060029-60-7)
- 3-Bromo-4-chloro-5-methoxyaniline (CAS 940948-33-4)
- 1-((5-Bromopyridin-2-yl)methyl)azepane (CAS 1708414-70-3)
- Roxatidine-d10 Hemioxalate (CAS CATO-C4X-121313)
- 5-(3-Chloro-4-methylphenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (CAS 632292-94-5)
- 2-methylpropyl 1,4-diazepane-1-carboxylate (CAS 253175-99-4)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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