Flurbiprofen Impurity 56 CAS CATO-C4X-144456
| CAS No. | CATO-C4X-144456 |
| Molecular Formula | C25H31FO2 |
| Molecular Weight | 382.51 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
CATO supplies Flurbiprofen Impurity 56 (CAS CATO-C4X-144456), a pharmacopoeial impurity reference standard (molecular formula C25H31FO2, MW 382.51 g/mol) used for the identification and quantification of trace impurities in APIs.
Based on its molecular formula C25H31FO2, Flurbiprofen Impurity 56 contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 382.51 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
CATO manufactures Flurbiprofen Impurity 56 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C25H31FO2 |
| Molecular Weight | 382.51 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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 |
| Halogen Content | F-containing |
Related Flurbiprofen Standards
- Flurbiprofen Impurity 20 (CAS CATO-C4X-144420)
- Flurbiprofen Impurity 22(Mixture of Diastereomers) (CAS CATO-C4X-144422)
- Flurbiprofen Impurity 28 (CAS CATO-C4X-144428)
- Flurbiprofen Impurity 75 (CAS CATO-C4X-144475)
- Flurbiprofen Impurity 76 (CAS CATO-C4X-144476)
- Flurbiprofen Impurity 17 (Mixture of Diastereomers) (CAS CATO-C4X-144477)
- Flurbiprofen Impurity 96 (CAS CATO-C4X-144496)
- Flurbiprofen Menthyl Ester (CAS 908559-44-4)
Recommended Standards
- Buspirone EP Impurity C (CAS 257877-45-5)
- Perfluoroheptanoyl Chloride (CAS 52447-22-0)
- 7-Chloro-2,2,3,3,4,4,5,5,6,6,7,7-dodecafluoroheptanoyl fluoride (CAS 662-63-5)
- Erbium(III) oxide (CAS 12061-16-4)
- Lidocaine Impurity 86 (CAS CATO-C4X-167986)
- Irinotecan Related Compound C (CAS CATO-C4X-166743)
- Desmopressin Impurity 38 (CAS CATO-C4X-221538)
- trans-2-(4-methoxyphenyl)cyclopropan-1-amine hydrochloride (CAS 1314323-99-3)
- 5-Amino-3-(3-methylphenyl)-1,2-oxazole-4-carboxamide (CAS 1005509-32-9)
- 2-Amino-3-(chloromethyl)-5-(difluoromethyl)pyridin-4-ol (CAS 1805139-96-1)
- Methyl 2-(2-formyl-1h-pyrrol-1-yl)propanoate (CAS 60026-29-1)
- Cesium 1-(tert-butoxycarbonyl)piperidine-4-carboxylate (CAS 848865-23-6)
- 1-Methyl-6,7-dihydro-1H-indazol-4(5H)-one (CAS 85302-16-5)
- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com