6-Bromo-3-methyl-3,4-dihydroquinoxalin-2(1H)-one CAS 24463-25-0
| CAS No. | 24463-25-0 |
| Molecular Formula | C9H9BrN2O |
| Molecular Weight | 241.08 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 6-Bromo-3-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 24463-25-0), a certified reference material (molecular formula C9H9BrN2O, MW 241.08 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution, 6-Bromo-3-methyl-3,4-dihydroquinoxalin-2(1H)-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 241.08 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 6-Bromo-3-methyl-3,4-dihydroquinoxalin-2(1H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H9BrN2O |
| Molecular Weight | 241.08 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
- 6-Bromo-3,3-dimethylimidazo[1,2-a]pyridin-2(3H)-one (CAS 886436-48-2)
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- 6-Bromo-2,8-dimethylpyrrolo[1,2-a]pyrazin-1(2H)-one (CAS 2411228-47-0)
- 6-Bromo-4-methyl-3,4-dihydroquinoxalin-2(1H)-one (CAS 305790-79-8)
- N-(4-Fluorobenzyl)-3-phenylpyrrolidine-1-carboxamide (CAS 1211023-70-9)
- 1-(3-Bromobenzyl)-3-isopropylurea (CAS 1248186-51-7)
- 4-(4-Methyl-4h-1,2,4-triazol-3-yl)butanoic acid (CAS 1248637-07-1)
- 1,4-Dimethyl-1,2,3,4-tetrahydroquinoxaline-6-carbaldehyde (CAS 124293-43-2)
- 2-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyrazine (CAS 1009378-52-2)
- 2-((2-Oxo-2-(pyrrolidin-1-yl)ethyl)thio)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 325693-15-0)
- 3-Hydroxy-2-methylcyclohex-2-en-1-one (CAS 32774-63-3)
- 352000-01-2 N-[4-(Aminosulfonyl)-2,1,3-benzoxadiazol-7-yl]-2-aminoethyl Methanethiosulfonate RT-014592 (CAS 352000-01-2)
- 5-Bromo-2-(2-pyrrolidinoethoxy)pyridine (CAS 180916-06-7)
- Ac, Gastrin Releasing Peptide (20-27), porcine (CAS 77714-20-6)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com