4-(2-Chlorophenyl)tetrahydro-2h-pyran-4-carboxaldehyde CAS 902836-47-9
| CAS No. | 902836-47-9 |
| Molecular Formula | C12H13ClO2 |
| Molecular Weight | 224.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(2-Chlorophenyl)tetrahydro-2h-pyran-4-carboxaldehyde (CAS 902836-47-9), molecular formula C12H13ClO2 and molecular weight 224.68 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(2-Chlorophenyl)tetrahydro-2h-pyran-4-carboxaldehyde (C12H13ClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 224.68 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C12H13ClO2 |
| Molecular Weight | 224.68 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
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Recommended Standards
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- 8-(Tert-butyl)-2-(chloromethyl)-1,4-dioxaspiro[4.5]Decane (CAS 118135-28-7)
- 1-(2-Hydroxycyclohex-1-en-1-yl)ethanone (CAS 21173-96-6)
- 1-(3,5-Difluorophenyl)ethan-1-ol (CAS 872181-59-4)
- Methyl 2-oxo-1-(3-(trifluoromethyl)benzyl)-1,2-dihydropyridine-3-carboxylate (CAS 338754-62-4)
- 2-Chloro-3-ethynylpyrazine (CAS 1374115-59-9)
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- Obeticholic Acid (CAS 459789-99-2)
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