4-(3,4-Dihydro-2h-1,5-benzodioxepin-7-yl)-4-oxobutanoic acid CAS 175136-33-1
| CAS No. | 175136-33-1 |
| Molecular Formula | C13H14O5 |
| Molecular Weight | 250.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H14O5, 4-(3,4-Dihydro-2h-1,5-benzodioxepin-7-yl)-4-oxobutanoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 250.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4-(3,4-Dihydro-2h-1,5-benzodioxepin-7-yl)-4-oxobutanoic acid (CAS 175136-33-1) is a high-purity analytical reference standard with the molecular formula C13H14O5 and a molecular weight of 250.25 g/mol.
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 | C13H14O5 |
| Molecular Weight | 250.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2007 |
Related Dihydro Standards
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Recommended Standards
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- 2-(Tert-butylamino)-N-(5-chloropyridin-2-yl)acetamide (CAS 517902-78-2)
- Endo-Pro36-Tirzepatide (CAS CATO-CPTD788688)
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