2-Bromo-7,8,9,10-tetrahydrobenzo[8]annulen-5(6H)-one CAS 94523-18-9
| CAS No. | 94523-18-9 |
| Molecular Formula | C12H13BrO |
| Molecular Weight | 253.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies 2-Bromo-7,8,9,10-tetrahydrobenzo[8]annulen-5(6H)-one (CAS 94523-18-9), a certified reference material (molecular formula C12H13BrO, MW 253.14 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H13BrO, 2-Bromo-7,8,9,10-tetrahydrobenzo[8]annulen-5(6H)-one contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 253.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), 2-Bromo-7,8,9,10-tetrahydrobenzo[8]annulen-5(6H)-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 | C12H13BrO |
| Molecular Weight | 253.14 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 3-(4-Bromo-3-indolyl)-1-propanamine (CAS 1000545-62-9)
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- 1079-43-2 2-(5-bromo-2-methyl-1H-indol-3-yl)ethanamine T7146 (CAS 1079-43-2)
- 3-Bromo-1-(2,3-dihydro-1H-inden-5-yl)propan-1-one (CAS 113364-57-1)
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- 3-Bromo-4-(butylamino)benzonitrile (CAS 1157576-64-1)
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Recommended Standards
- 2-Bromo-1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethan-1-one (CAS 5896-66-2)
- 3-(4-Bromophenyl)cyclohexanone (CAS 25158-78-5)
- 2-Bromo-1-(2,3-dihydro-1H-inden-5-yl)propan-1-one (CAS 63998-59-4)
- 3-(5-Bromo-3-indolyl)-1-propanamine (CAS 54298-70-3)
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- 2-Amino-N-(4-(benzyl(ethyl)amino)cyclohexyl)acetamide (CAS 1353975-80-0)
- N-[4-(isothiocyanatomethyl)-1,3-thiazol-2-yl]-N-mesitylacetamide (CAS 790681-63-9)
- α-(3-aminopropyl)-4-fluoro-Benzenemethanol, hydrochloride (1:1) (CAS 1211461-06-1)
- 2-Acetamidoethyl non-8-enoate (CAS 300831-20-3)
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