Acemetacin EP Impurity E CAS 75302-98-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 75302-98-6 |
| Molecular Formula | C25H26ClNO6 |
| Molecular Weight | 471.93 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Acemetacin EP Impurity E (CAS 75302-98-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C25H26ClNO6. Molecular weight: 471.93 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C25H26ClNO6 |
| Molecular Weight | 471.93 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Acemetacin Standards
- Acemetacin EP Impurity D (CAS 76812-64-1)
- Acemetacin EP Impurity F (CAS 76812-49-2)
- Acemetacin EP Impurity C (CAS CATO-C4X-33821)
- Acemetacin-D4 (CAS 1196151-16-2)
- Acemetacin (CAS 53164-05-9)
- Acemetacin acyl-β-D-glucuronide (CAS 1260603-31-3)
- Acemetacin Impurity 1 (CAS 77914-62-6)
- Acemetacin EP Impurity B Potassium Salt (CAS 28751-45-3)
Recommended Standards
- 4-(Benzo[d]thiazol-2-ylthio)-3-nitrobenzyl (3-chlorophenyl)carbamate (CAS 338393-84-3)
- 2-(((4-(3,4,5-Tribromo-1H-pyrazol-1-yl)phenyl)amino)methylene)malononitrile (CAS 219793-56-3)
- 2-((4-(4-Chlorophenyl)-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(naphthalen-1-yl)acetamide (CAS 586991-76-6)
- Terazosin EP Impurity M (CAS 31350-27-3)
- Bumetanide Impurity 18 (CAS CATO-C4X-198618)
- Cyproheptadine impurity 13 (CAS CATO-C4X-150613)
- 6-Cyano-4-(difluoromethyl)-5-iodopyridine-3-sulfonamide (CAS 1805375-28-3)
- (S)-5-Isopropylimidazolidine-2,4-dione (CAS 40856-74-4)
- 6-Bromo-3,4-dihydrospiro[benzo[b][1,4]oxazine-2,1'-cyclopropane] (CAS 1291094-46-6)
- Amyloid Precursor Frameshift Mutant C-Terminal Peptide trifluoroacetate salt (CAS 189125-14-2)
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