Flurbiprofen Impurity 25 CAS 91503-88-7
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 91503-88-7 |
| Molecular Formula | C19H19FO4 |
| Molecular Weight | 330.35 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Flurbiprofen Impurity 25 (CAS 91503-88-7) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C19H19FO4. Molecular weight: 330.35 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C19H19FO4 |
| Molecular Weight | 330.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| 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.) | 1983 |
| Halogen Content | F-containing |
Related Flurbiprofen Standards
- Flurbiprofen impurity 103 (CAS CATO-C4X-1444103)
- Flurbiprofen Impurity 104 (CAS CATO-C4X-1444104)
- Flurbiprofen Impurity 109 (CAS 119623-42-6)
- (R)-Flurbiprofen Axetil (Mixture of Diastereomers) (CAS 2375240-97-2)
- (S)-Flurbiprofen Axetil (Mixture of Diastereomers) (CAS 1401087-64-6)
- Flurbiprofen Axetil (CAS 91503-79-6)
- Flurbiprofen Impurity 38 (CAS 26039-74-7)
- Flurbiprofen Impurity 35 (CAS CATO-C4X-144435)
Recommended Standards
- Linezolid Impurity 82 (CAS CATO-C4X-107382)
- N-(6,7-Dihydro-[1,4]dioxino[2',3':4,5]benzo[1,2-d]thiazol-2-yl)-1,3-dimethyl-1H-pyrazole-5-carboxamide (CAS 1013796-73-0)
- Linezolid Impurity 45 (CAS 168828-81-7)
- Memantine Impurity 43 (CAS 53343-18-3)
- Amlodipine Impurity 100 (CAS CATO-C4X-1095100)
- Ethyl 2-bromo-6-cyano-4-(difluoromethyl)benzoate (CAS 1807073-42-2)
- 6-(Tetrahydro-2H-pyran-4-yloxy)pyridine-2-carboxylic acid (CAS 906352-78-1)
- 2,2-Dimethylpentanedinitrile (CAS 22247-63-8)
- 2-(2-Chloro-7-methoxyquinolin-3-yl)acetic acid (CAS 1774899-55-6)
- (Leu31,Pro3?)-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 132699-73-1)
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