3-(4-Bromophenyl)-7-methyl-7,8-dihydrocinnolin-5(6H)-one CAS 1024571-10-5
| CAS No. | 1024571-10-5 |
| Molecular Formula | C15H13BrN2O |
| Molecular Weight | 317.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
3-(4-Bromophenyl)-7-methyl-7,8-dihydrocinnolin-5(6H)-one (CAS 1024571-10-5) is a high-purity analytical reference standard with the molecular formula C15H13BrN2O and a molecular weight of 317.18 g/mol.
Based on its molecular formula C15H13BrN2O, 3-(4-Bromophenyl)-7-methyl-7,8-dihydrocinnolin-5(6H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 317.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C15H13BrN2O |
| Molecular Weight | 317.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromophenyl Standards
- (2E)-1-(4-Bromophenyl)-3-(3-methoxyphenyl)prop-2-en-1-one (CAS 1004554-37-3)
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- (2E)-1-(3-Bromophenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 358656-07-2)
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- (2E)-1-(4-Bromophenyl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 51863-81-1)
- (2E)-3-(3-Bromophenyl)-1-(3-methoxyphenyl)prop-2-en-1-one (CAS 358656-44-7)
- (2E)-3-(3-Bromophenyl)-1-(4-methoxyphenyl)prop-2-en-1-one (CAS 949478-36-8)
Recommended Standards
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- (1-(4-Bromobenzyl)-1H-benzo[d]imidazol-2-yl)methanol (CAS 100915-24-0)
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- Ethyl 1-(pyridin-4-yl)piperidine-4-carboxylate hydrochloride (CAS 343247-16-5)
- 2-bromo-6-chloro-3-fluorobenzoic acid (CAS 1781926-06-4)
- 1-(3,5-Dichlorophenyl)-N,N-dimethyl-5-oxo-2,5-dihydro-1H-1,2,4-triazole-3-carboxamide (CAS 1000574-30-0)
- Ethyl 5-methyl-3-(2-(piperidin-1-yl)acetamido)-1H-indole-2-carboxylate (CAS 296264-31-8)
- Acesulfame calcium (CAS 54054-83-0)
- 4-Methyl-2-(1-naphthyloxy)aniline (CAS 946774-61-4)
- Tetrapeptide-3 (CAS 827306-97-8)
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