3-(4-Bromobenzenesulfonyl)-6-nitro-2H-chromen-2-one CAS 865656-33-3
| CAS No. | 865656-33-3 |
| Molecular Formula | C15H8BrNO6S |
| Molecular Weight | 410.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-(4-Bromobenzenesulfonyl)-6-nitro-2H-chromen-2-one (CAS 865656-33-3), molecular formula C15H8BrNO6S and molecular weight 410.20 g/mol, is a CATO reference standard with documented purity and traceability.
3-(4-Bromobenzenesulfonyl)-6-nitro-2H-chromen-2-one (C15H8BrNO6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 3-(4-Bromobenzenesulfonyl)-6-nitro-2H-chromen-2-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 | C15H8BrNO6S |
| Molecular Weight | 410.20 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Bromobenzenesulfonyl Standards
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Recommended Standards
- 1,7-Bis(4-bromophenyl)heptane (CAS 140389-09-9)
- 4,6-dichloro-2-(methylthio)-5-[({[3-(trifluoromethyl)benzoyl]oxy}imino)methyl]pyrimidine (CAS 680217-29-2)
- SE-(((2S,3S,4R,5R)-5-(6-amino-9H-purin-9-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl) O,O-dihydrogen phosphoroselenoate (CAS 64265-97-0)
- Methyl 2-(3-formyl-4-((2-iodobenzyl)oxy)phenyl)acetate (CAS 875050-49-0)
- tert-Butyl 2-aminopropanoate (CAS 16367-69-4)
- Methyl (2Z)-2-(benzenesulfonyl)-3-[(4-ethylphenyl)amino]prop-2-enoate (CAS 1327196-59-7)
- 4-(2,4-Dimethylphenoxy)-2-(trifluoromethyl)aniline (CAS 946698-06-2)
- Lurbinectedin Impurity 18 (CAS 2728715-09-9)
- 5,7-Dimethyl-[1,2,4]triazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 87253-62-1)
- Amlodipine Besylate Impurity 73 (CAS CATO-C4X-109573)
- Tropacocaine hydrochloride (CAS 637-23-0)
- 2-(2,5-Dimethoxyphenyl)-4-methylpyrrolidine (CAS 603068-42-4)
- 3-Bromo-4-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 2223012-18-6)
- Neuroendocrine Regulatory Peptide-4 (human, mouse, rat) (H-7266.1000) (CAS 922704-18-5)
Why CATO?
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