7-bromo-5-oxaspiro[3.5]nonan-8-one CAS 2920596-91-2
| CAS No. | 2920596-91-2 |
| Molecular Formula | C8H11BrO2 |
| Molecular Weight | 219.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-bromo-5-oxaspiro[3.5]nonan-8-one (CAS 2920596-91-2), a certified reference material (molecular formula C8H11BrO2, MW 219.08 g/mol) for analytical method development and quality control.
Based on its molecular formula C8H11BrO2, 7-bromo-5-oxaspiro[3.5]nonan-8-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
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 | C8H11BrO2 |
| Molecular Weight | 219.08 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 | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | Br-containing |
Related bromo Standards
- 4-bromo-2,3-dihydro-1-benzofuran-3-one (CAS 1020966-78-2)
- 4-Bromo-1-(3-methoxypropyl)-1h-pyrazole (CAS 1183903-41-4)
- 7-bromo-1,3-dihydropyrrolo[2,3-c]pyridin-2-one (CAS 1190318-26-3)
- 7-bromo-1,3-dihydropyrrolo[3,2-b]pyridin-2-one (CAS 1190318-71-8)
- 6-bromo-1H,2H,3H-pyrrolo[3,2-b]pyridin-2-one (CAS 1190319-62-0)
- 6-bromo-1H,2H,3H-pyrrolo[2,3-b]pyridin-2-one (CAS 1190322-81-6)
- 8-Bromo-1,4-dioxaspiro[4.5]dec-7-ene (CAS 1190757-88-0)
- 2-Bromo-5,5-dimethyl-cyclohexane-1,3-dione (CAS 1195-91-1)
Recommended Standards
- 7-Bromo-1,4-dioxaspiro[4.5]dec-7-ene (CAS 81036-84-2)
- Methyl 2-Bromo-1-cyclohexenecarboxylate (CAS 72422-64-1)
- 6-bromospiro[3.3]heptane-2-carboxylic acid (CAS 28114-88-7)
- Methyl 4-bromobicyclo[2.1.1]Hexane-1-carboxylate (CAS 497074-21-2)
- 5-O-DMT-2-O-methylinosine (CAS 128219-84-1)
- 2-bromo-1-(bromomethyl)-3,4-difluorobenzene (CAS 1805523-88-9)
- 4-Biphenylyl Glucuronide (CAS 19132-91-3)
- 2-(2,6-Diaminopyridin-4-yl)acetic acid (CAS 1393557-36-2)
- N-(2-fluoro-5-nitrophenyl)acrylamide (CAS 1156158-72-3)
- 3-Chloro-2-hydroxy-5-methylbenzoic acid (CAS 73469-62-2)
- 3-(Benzo[d][1,3]dioxol-5-yl)-1H-pyrazole-4-carbaldehyde (CAS 1046461-90-8)
- Diethyl 2-(dicyclopropylmethyl)malonate (CAS 2755966-09-5)
- 3,3-Diallyl-1-phenylindolin-2-one (CAS 19048-20-5)
- Prolactin-Releasing Peptide (1-31) (rat) (CAS 215510-06-8)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com