Ibuprofen Impurity 49 CAS 1161014-75-0
| CAS No. | 1161014-75-0 |
| Molecular Formula | C34H50O7 |
| Molecular Weight | 570.76 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
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 process- or degradation-related impurity, Ibuprofen Impurity 49 (CAS 1161014-75-0, C34H50O7) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Structurally, Ibuprofen Impurity 49 (C34H50O7) contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 570.76 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), Ibuprofen Impurity 49 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 | C34H50O7 |
| Molecular Weight | 570.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
Related Ibuprofen Standards
- Ibuprofen impurity 144 (CAS CATO-C4X-1082144)
- Ibuprofen Impurity 158 (CAS CATO-C4X-1082158)
- Ibuprofen impurity 125 (CAS CATO-C4X-1082125)
- Ibuprofen Methocarbamol Ester (Mixture of Diastereomers) (CAS 111632-17-8)
- Ibuprofen Impurity 44 (CAS CATO-C4X-108244)
- Ibuprofen Impurity 45 (CAS CATO-C4X-108245)
- Ibuprofen Impurity 57 (CAS CATO-C4X-108257)
- Ibuprofen Impurity 67 (CAS CATO-C4X-108267)
Recommended Standards
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- Lemborexant Impurity 41 (CAS 1547707-34-5(free acid))
- n-(2-Aminoethyl)-1,5-dimethyl-1h-pyrazole-3-carboxamide (CAS 1001519-26-1)
- 4-((2,3-Dichlorophenyl)sulfonyl)piperazin-2-one (CAS 851793-36-7)
- 2-(1,3-Dioxolan-2-yl)-4-methylthiazole (CAS 169377-82-6)
- 5-(methylamino)-2,3-dihydropyridazin-3-one hydrochloride (CAS 1354963-48-6)
- n-(Pyrimidin-5-ylmethyl)cyclopentanamine (CAS 1340535-79-6)
- 2-[2-(diethylamino)ethoxy]benzonitrile (CAS 938118-91-3)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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