2-(4-Bromobutoxy)tetrahydro-2H-pyran CAS 31608-22-7
| CAS No. | 31608-22-7 |
| Molecular Formula | C9H17BrO2 |
| Molecular Weight | 237.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(4-Bromobutoxy)tetrahydro-2H-pyran 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.
2-(4-Bromobutoxy)tetrahydro-2H-pyran (CAS 31608-22-7) is a high-purity analytical reference standard with the molecular formula C9H17BrO2 and a molecular weight of 237.13 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, 2-(4-Bromobutoxy)tetrahydro-2H-pyran is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 237.13 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H17BrO2 |
| Molecular Weight | 237.13 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
Related Bromobutoxy Standards
- 4-(4-Bromobutoxy)tetrahydro-2h-pyran (CAS 476423-97-9)
- Ethyl 2-(4-bromobutoxy)acetate (CAS 54131-75-8)
- 1-(4-Bromobutoxy)-2-methylbenzene (CAS 2033-82-1)
- 1-(4-Bromobutoxy)-3-methylbenzene (CAS 81368-22-1)
- 1-(4-Bromobutoxy)-4-methylbenzene (CAS 3257-49-6)
- 2-(4-Bromobutoxy)phenol (CAS 16837-07-3)
- 4-(4-Bromobutoxy)phenol (CAS 66619-92-9)
- 1-(4-Bromobutoxy)-2-fluorobenzene (CAS 106558-68-3)
Recommended Standards
- 2-(2-Bromoethyl)-2,5,5-trimethyl-1,3-dioxane (CAS 87842-52-2)
- 2-Bromononanoic acid (CAS 2623-83-8)
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