Imrecoxib Impurity 78 CAS 23063-36-7
| CAS No. | 23063-36-7 |
| Molecular Formula | C8H8Cl2 |
| Molecular Weight | 175.06 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Imrecoxib Impurity 78.
CATO supplies Imrecoxib Impurity 78 (CAS 23063-36-7), a pharmacopoeial impurity reference standard (molecular formula C8H8Cl2, MW 175.06 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C8H8Cl2, Imrecoxib Impurity 78 contains chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 175.06 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).
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 | C8H8Cl2 |
| Molecular Weight | 175.06 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | ≥95% |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
Related Imrecoxib Standards
- Imrecoxib Impurity 23 (CAS CATO-C4X-237923)
- Imrecoxib Impurity 4 (CAS 197240-27-0)
- Imrecoxib Impurity 21 (CAS 1507299-93-5)
- Imrecoxib Impurity 19 (CAS 1597978-99-8)
- Imrecoxib Impurity 17 (CAS CATO-C4X-237917)
- Imrecoxib Impurity 69 (CAS 3323-79-3)
- Imrecoxib Impurity 56 (CAS CATO-C4X-237956)
- Imrecoxib Impurity 20 (CAS 93514-49-9)
Recommended Standards
- Flunarizine impurity 45 (CAS 3141-41-1)
- alpha,alpha＇-Dichloro-o-xylene (CAS 612-12-4)
- 4-Chloro-2-(chloromethyl)-1-methyl-benzene (CAS 34060-72-5)
- alpha,alpha＇-Dichloro-p-xylene (CAS 623-25-6)
- CAS CATO-C3D-262790 (CAS CATO-C3D-262790)
- Vericiguat Impurity 93 (CAS CATO-C4X-289693)
- Riociguat Impurity 12 (CAS CATO-C4X-174912)
- 1-(4-(4-Methyl-1h-imidazol-1-yl)phenyl)ethan-1-one (CAS 142161-53-3)
- 2-(Bromomethyl)-6-chloro-3-fluoropyridine (CAS 1227509-98-9)
- (4-Bromo-1H-pyrazol-1-yl)(phenyl)methanone (CAS 116228-39-8)
- 1-[(2,6-Dichlorophenyl)methyl]-2-oxo-6-(trifluoromethyl)-1,2-dihydropyridine-3-carboxamide (CAS 338977-34-7)
- (2-Bromothiazol-4-yl)boronic acid (CAS 1310384-41-8)
- 2-Butylpyrimidine-5-carbaldehyde (CAS 876890-42-5)
- Peptide Impurity 11 X TFA Salt (CAS CATO-CPTD788811)
Why CATO?
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