Ibuprofen EP Impurity K CAS 43153-07-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 43153-07-7 |
| Molecular Formula | C10H10O3 |
| Molecular Weight | 178.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ibuprofen EP Impurity K (CAS 43153-07-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10O3. Molecular weight: 178.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10O3 |
| Molecular Weight | 178.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
Related Ibuprofen Standards
- Ibuprofen Impurity 73 (CAS 25329-47-9)
- Ibuprofen EP Impurity N (CAS 3585-52-2)
- Ibuprofen EP Impurity N (CAS CATO-C4X-1082154)
- Ibuprofen Impurity 61 (CAS 38861-88-0)
- Ibuprofen EP Impurity Q (CAS 36039-35-7)
- Ibuprofen Impurity 56 (CAS CATO-C4X-108256)
- Ibuprofen Impurity 23 (CAS 7645-81-0)
- Ibuprofen EP Impurity E (CAS 38861-78-8)
Recommended Standards
- Donepezil Impurity 18 (CAS 90843-62-2)
- Bisoprolol Impurity 36 (CAS 14697-49-5)
- Donepezil Impurity 17 (CAS 127399-78-4)
- Lacosamide EP Impurity E(R-Isomer) (CAS 175481-39-7)
- Diazoxide impurity 5 (CAS 19185-77-4)
- 50606-97-8 Benzoyl chloride, 4-octyl- 4-Octylbenzoyl chloride EINECS 256-649-7 (CAS 50606-97-8)
- 1-HEXADECYL-4-PHENYLPYRIDINIUM BROMIDE (CAS 123482-18-8)
- tert-Butyl ((S)-4-hydroxy-3-oxo-1-((S)-2-oxopyrrolidin-3-yl)butan-2-yl)carbamate (CAS 2755783-76-5)
- Ribavirin Impurity 51 (CAS 4928-88-5)
- Antifreeze Polypeptide 6 (winter flounder) trifluoroacetate salt (CAS 122604-16-4)
Why CATO?
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