Ketoprofen Impurity 46 CAS 713-36-0
| CAS No. | 713-36-0 |
| Molecular Formula | C14H14 |
| Molecular Weight | 182.26 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H14, Ketoprofen Impurity 46 contains a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 182.26 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.
Ketoprofen Impurity 46 (CAS 713-36-0) is a certified pharmaceutical impurity reference standard with the molecular formula C14H14 and a molecular weight of 182.26 g/mol.
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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C14H14 |
| Molecular Weight | 182.26 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Ketoprofen Standards
- Ketoprofen Impurity 49 (CAS 620-83-7)
- Ketoprofen Impurity 43 (CAS 34040-63-6)
- Ketoprofen Impurity 112 (CAS 42872-32-2)
- Ketoprofen Impurity 62 (CAS 333991-43-8)
- Ketoprofen Impurity 36 (CAS 872091-00-4)
- Ketoprofen Impurity 38 (CAS 64379-72-2)
- Ketoprofen Impurity 44 (CAS 131019-17-5)
- Ketoprofen Impurity 63 (CAS 146257-39-8)
Recommended Standards
- Ranitidine Impurity 14 (CAS 84167-82-5)
- Olaparib Impurity 91 (CAS 547698-14-6)
- Cinepazide Impurity 5 (CAS 1078-64-4)
- 4,4'-Dimethylbiphenyl (CAS 613-33-2)
- Abiraterone Impurity 6 (CAS 2410075-48-6)
- Ticagrelor Impurity 3 (CAS 2096989-56-7)
- Peficitinib Impurity 9 (CAS 944123-15-3)
- 20351-26-2 6-chloroundecane DTXSID50432812 (CAS 20351-26-2)
- Ethyl 2-(5-Methyl-1,3,4-oxadiazol-2-yl)acetate (CAS 5011-96-1)
- 1-(2,6-Bis(3,5-bis(trifluoromethyl)phenyl)-8,9,10,11,12,13,14,15-octahydrodinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-yl)-7-(trifluoromethyl)-1,2,3,4-tetrahydroquinoline (CAS 2157435-18-0)
- Relebactam Impurity 108 (CAS 2089611-50-5)
- 4-Bromo-1-(2-morpholinoethyl)-1h-pyrazol-3-amine (CAS 1250049-03-6)
- Methyl 7-bromopyrazolo[1,5-a]pyridine-2-carboxylate (CAS 1501949-39-8)
- Liraglutide(5-31)TFA Salt (CAS CATO-C4X-19924)
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