Flurbiprofen Impurity 172 CAS 543688-88-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 543688-88-6 |
| Molecular Formula | C18H17FO4 |
| Molecular Weight | 316.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Flurbiprofen Impurity 172 (CAS 543688-88-6) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H17FO4. Molecular weight: 316.32 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H17FO4 |
| Molecular Weight | 316.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | F-containing |
Related Flurbiprofen Standards
- Flurbiprofen Impurity 124 (CAS CATO-C4X-1444124)
- Flurbiprofen EP Impurity B (Mixture of Diastereomers) (CAS 1797883-74-9)
- Flurbiprofen Impurity 19 (CAS CATO-C4X-144419)
- Flurbiprofen Impurity 21 (Mixture of Diastereomers) (CAS 124635-84-3)
- Flurbiprofen Impurity 46 (CAS CATO-C4X-144446)
- Flurbiprofen 2-Glyceryl Ester (CAS 124635-86-5)
- Flurbiprofen Impurity 18 (CAS 78543-06-3)
- Flurbiprofen Impurity 54 (CAS CATO-C4X-144454)
Recommended Standards
- Levofolinate Impurity 8 (CAS 4299-32-5)
- 4-(Difluoromethyl)-6-(1,3-dimethyl-1h-pyrazol-4-yl)-2-(ethylsulfonyl)pyrimidine (CAS 1006327-15-6)
- Levosimendan Impurity 6 (CAS CATO-C4X-13086)
- Levosimendan Impurity 31 (CAS 131741-05-4)
- Morpholine Impurity 7 (CAS CATO-C4X-31687)
- Dapoxetine Impurity 75 (CAS 2687-12-9)
- Benzyl 2-(hydroxymethyl)-7-azaspiro[3.5]Nonane-7-carboxylate (CAS 2222604-15-9)
- N-[(9R)-6'-Methoxycinchonan-9-yl]-4-trifluoromethyl-1,2-benzenediamine (CAS 1404088-26-1)
- [2-(Methylsulfanyl)phenyl]methyl N-(3-chlorophenyl)carbamate (CAS 338968-10-8)
- Semaglutide impurity 29 (CAS 1188328-22-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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