Ibuprofen Impurity 52 CAS 67381-50-4
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 67381-50-4 |
| Molecular Formula | C10H10O4 |
| Molecular Weight | 194.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ibuprofen Impurity 52 (CAS 67381-50-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H10O4. Molecular weight: 194.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H10O4 |
| Molecular Weight | 194.18 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.) | 1976 |
Related Ibuprofen Standards
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- Ibuprofen Impurity (CAS 1314907-71-5)
- Ibuprofen impurity 132 (CAS 3585-48-6)
- Ibuprofen Impurity 22 (CAS 1977-39-5)
Recommended Standards
- 1,1'-(2,4-Dihydroxy-1,3-phenylene)bis(ethan-1-one) (CAS 2163-12-4)
- Tadalafil Impurity 132 (CAS CATO-C4X-1087132)
- 1,4-Diacetoxybenzene (CAS 1205-91-0)
- Lornoxicam impurity 67 (CAS CATO-C4X-201667)
- Latrepirdine Impurity 2 (CAS 23224-24-0)
- Ethyl 2-(4-iodo-5-methyl-1H-pyrazol-1-yl)acetate (CAS 1354705-37-5)
- 34272-66-7 5-Thiazoleacetic acid, 2-methyl-4-phenyl- 4-27-00-04094 (Beilstein Handbook Reference) BRN 0184265 2-Methyl-4-phenyl-5-thiazoleacetic acid (CAS 34272-66-7)
- Methyl 5-bromo-4-ethoxy-2,3-difluorobenzoate (CAS 2484889-01-0)
- 2-Piperazin-1-yl-3h-thieno[3,2-d]pyrimidin-4-one (CAS 1248559-72-9)
- Peptide Impurity (CAS CATO-CPTD788810)
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