Sulindac impurity 11 CAS CATO-C4X-293011
| CAS No. | CATO-C4X-293011 |
| Molecular Formula | C28H25FO2S2 |
| Molecular Weight | 476.63 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C28H25FO2S2, Sulindac impurity 11 contains a steroid core, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 476.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Sulindac impurity 11 (CAS CATO-C4X-293011) is a certified pharmaceutical impurity reference standard with the molecular formula C28H25FO2S2 and a molecular weight of 476.63 g/mol.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Sulindac impurity 11 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C28H25FO2S2 |
| Molecular Weight | 476.63 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Halogen Content | F-containing |
| Sulfur Atoms | 2 |
Related Sulindac Standards
- Sulindac impurity 12 (CAS CATO-C4X-293012)
- Sulindac Impurity 10 (CAS CATO-C4X-293010)
- Sulindac Impurity 1 (CAS 68299-97-8)
- (R)-Sulindac Methyl Ester (CAS 929081-61-8)
- Sulindac Sulfone-d7 (CAS CATO-C4X-293019)
- Sulindac EP Impurity B-d3 (CAS 250608-67-4)
- Sulindac Impurity N94 (CAS CATO-CP155194)
- Sulindac Sulfone (CAS 59864-04-9)
Recommended Standards
- Bumetanide Impurity 37 (CAS CATO-C4X-198637)
- Bumetanide Impurity 23 (CAS CATO-C4X-198623)
- 2-(((tert-Butyldiphenylsilyl)oxy)methyl)anthracene-9,10-dione (CAS 108562-19-2)
- tert-Butyl (S)-((2-phenyl-5-pivalamido-3-pivaloyl-2,3-dihydro-1,3,4-thiadiazol-2-yl)methyl)carbamate (CAS 2445094-29-9)
- Nifuratel Impurity 13 (CAS 57500-49-9)
- (E,E)-Ceftizoxime Impurity 67 (CAS CATO-C4X-179367)
- Isosulfan Blue impurity 9 (CAS CATO-C4X-30459)
- 5-(4-Bromobenzyl)-2-(pyridin-2-ylimino)thiazolidin-4-one (CAS 303093-53-0)
- ((1s,4r)-1,7,7-Trimethylbicyclo[2.2.1]hept-2-en-2-yl)boronic acid (CAS 871333-99-2)
- 1,2,3,4-tetrahydrophthalazine hydrochloride (CAS 60789-87-9)
- 5,7-dichloro-6-ethyl-2-methylpyrazolo[1,5-a]pyrimidine (CAS 1566294-02-7)
- (S)-cyclopropyl(3,5-difluorophenyl)methanamine (CAS 1202627-97-1)
- Kanosamine HCl (CAS 24384-86-9)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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