4-(4-(Trifluoromethyl)phenyl)dihydro-2h-pyran-2,6(3h)-dione CAS 306935-53-5
| CAS No. | 306935-53-5 |
| Molecular Formula | C12H9F3O3 |
| Molecular Weight | 258.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-(Trifluoromethyl)phenyl)dihydro-2h-pyran-2,6(3h)-dione (CAS 306935-53-5), molecular formula C12H9F3O3 and molecular weight 258.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(4-(Trifluoromethyl)phenyl)dihydro-2h-pyran-2,6(3h)-dione (C12H9F3O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 258.19 g/mol, it falls into the medium-molecular-weight range. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(4-(Trifluoromethyl)phenyl)dihydro-2h-pyran-2,6(3h)-dione 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 | C12H9F3O3 |
| Molecular Weight | 258.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
Related Trifluoromethyl Standards
- Ethyl 4-(trifluoromethyl)benzofuran-2-carboxylate (CAS 1286744-03-3)
- 6-Methyl-2-(trifluoromethyl)-2H-chromene-3-carboxylic acid (CAS 215123-45-8)
- 4-[3-(Trifluoromethyl)-3H-diazirin-3-yl]-benzenepropanoic acid (CAS 1002328-44-0)
- 5-Methyl-5-[3-(trifluoromethyl)phenyl]imidazolidine-2,4-dione (CAS 1052552-58-5)
- Ethyl 6-(trifluoromethyl)-1H-indazole-3-carboxylate (CAS 1053656-54-4)
- Ethyl 4-(trifluoromethyl)-1H-pyrrolo[3,2-c]pyridine-2-carboxylate (CAS 1060815-19-1)
- Ethyl 2-(trifluoromethyl)imidazo[1,2-a]pyridine-3-carboxylate (CAS 108438-46-6)
- 2-(6-(Trifluoromethyl)imidazo[1,2-a]pyridin-2-yl)acetohydrazide (CAS 1221792-29-5)
Recommended Standards
- 3,7,9-Tris(hydroxymethyl)-1H-purine-2,6,8(3H,7H,9H)-trione (CAS 73905-11-0)
- 2-Nitro-5-((4-nitrophenyl)ethynyl)furan (CAS 58246-14-3)
- 6-methyl-3-(2,2,2-trifluoro-1-hydroxyethyl)-4H-chromen-4-one (CAS 2922555-45-9)
- 2,5-Bis((hydrazinyloxy)carbonyl)benzene-1,4-diol (CAS 2245708-24-9)
- 3,4-Dimethyl-N-propylaniline (CAS 27285-21-8)
- 3-Amino-3-(p-tolyl)propan-1-ol hydrochloride (CAS 1159826-23-9)
- 3-Methoxy-4-((2-methylbenzyl)oxy)benzoic acid (CAS 938232-46-3)
- 2-(3,4-Dichlorobenzenesulfonyl)-N,N-bis(propan-2-yl)acetamide (CAS 339097-70-0)
- (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-(2,4-dichlorobenzyl)propanoic acid (CAS 1260601-12-4)
- 6-Methylpyridine-2-carbohydrazonamide (CAS 18895-94-8)
- 1-Chloro-2-(chloromethyl)-3-nitrobenzene (CAS 15258-72-7)
- Silicic acid (CAS 10279-57-9)
- (4-Methoxy-6-methylpyridin-2-yl)methanol (CAS 99310-55-1)
- D-Lys20-Tirzepatide (CAS CATO-CPTD788914)
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