Imrecoxib Impurity 61 CAS CATO-C4X-237961
| CAS No. | CATO-C4X-237961 |
| Molecular Formula | C20H21NO |
| Molecular Weight | 291.39 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, Imrecoxib Impurity 61 (CAS CATO-C4X-237961, C20H21NO) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, Imrecoxib Impurity 61 is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 291.39 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
As a certified reference material (CRM), Imrecoxib Impurity 61 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 | C20H21NO |
| Molecular Weight | 291.39 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 1 |
Related Imrecoxib Standards
- Imrecoxib Impurity 60 (CAS CATO-C4X-237960)
- Imrecoxib Impurity 54 (CAS CATO-C4X-237954)
- Imrecoxib Impurity 20 (CAS 93514-49-9)
- Imrecoxib Impurity 56 (CAS CATO-C4X-237956)
- Imrecoxib Impurity 69 (CAS 3323-79-3)
- Imrecoxib Impurity 70 (CAS CATO-C4X-237970)
- Imrecoxib Impurity 17 (CAS CATO-C4X-237917)
- Imrecoxib Impurity 38 (CAS 2268704-43-2)
Recommended Standards
- Eperisone Impurity 43 (CAS CATO-C4X-227943)
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- Benzocaine Impurity 31 (CAS 71134-95-7)
- Lumateperone Impurity 38 (CAS CATO-C4X-220138)
- Norepinephrine impurity 152 (CAS 490-90-4)
- Mitoxantrone Impurity 17 (CAS CATO-C4X-103417)
- Dydrogesterone Impurity 23 (CAS CATO-C4X-218323)
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- 1-(4-Chloroquinazolin-2-yl)-N,N-dimethylmethanamine (CAS 91539-82-1)
- Ac-His-Trp-Ala-Val-Gly-His-Leu-NH2 (CAS 121432-21-1)
- 4-{[(2,4-Dichlorobenzoyl)oxy]imino}-1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-one (CAS 866038-78-0)
- Semaglutide Impurity 124 (CAS CATO-C4X-2226124)
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