1,7-Dibromo-heptan-4-one CAS 89774-18-5
| CAS No. | 89774-18-5 |
| Molecular Formula | C7H12Br2O |
| Molecular Weight | 271.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1,7-Dibromo-heptan-4-one.
1,7-Dibromo-heptan-4-one (CAS 89774-18-5) is a high-purity analytical reference standard with the molecular formula C7H12Br2O and a molecular weight of 271.98 g/mol.
Based on its molecular formula C7H12Br2O, 1,7-Dibromo-heptan-4-one contains a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 271.98 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.
As a certified reference material (CRM), 1,7-Dibromo-heptan-4-one 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 | C7H12Br2O |
| Molecular Weight | 271.98 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 | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Br-containing |
Related Dibromo Standards
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- 3,5-dibromo-2-methoxythiophene (CAS 77133-30-3)
- α,α′-Dibromo-p-xylene-d8 (CAS 74903-77-8)
- 2,2-Dibromo-1-methylcyclopropane-1-carbohydrazide (CAS 85426-53-5)
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Recommended Standards
- 2,3-Dichloro-4-(4,4,5,5-tetramethyl-1,2-oxaborolan-2-yl)pyridine (CAS 2845309-41-1)
- 2-(bromomethyl)-4,6-dichloro-pyridine-3-carbonitrile (CAS 1589541-02-5)
- 1-(2-Bromo-5-fluoropyridin-4-yl)-2,2,2-trifluoroethanone (CAS 1375303-33-5)
- Gold(I) sodium cyanide (CAS 15280-09-8)
- 3-(Benzyloxy)-1-(hydroxymethyl)cyclobutanol (CAS 2161553-89-3)
- 2-([2,3'-Bipyridin]-4-yl)acetonitrile (CAS 1227563-65-6)
- Rasagiline Impurity 25 (CAS 7530-35-0)
- 5-Butyl-4-chloro-2,3-dihydrofuran (CAS 50596-95-7)
- 2-Chloro-4-nitro-N-(pyridin-2-ylmethyl)aniline (CAS 524955-95-1)
- Berberine-d6 (chloride) (CAS CATO-CCPE902338)
- 2,5,7,10,11,14-Hexaoxa-1,6-distibabicyclo[4.4.4]tetradecane (CAS 29736-75-2)
- N-(2-(ethylamino)ethyl)-4-fluorobenzamide hydrochloride (CAS 1583626-76-9)
- 3-(tert-Butyl)-9H-carbazole (CAS 22401-74-7)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
Why CATO?
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