6-Bromo-3-(4-tert-butylbenzenesulfonyl)-2H-chromen-2-one CAS 865656-27-5
| CAS No. | 865656-27-5 |
| Molecular Formula | C19H17BrO4S |
| Molecular Weight | 421.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C19H17BrO4S, 6-Bromo-3-(4-tert-butylbenzenesulfonyl)-2H-chromen-2-one contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 421.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
6-Bromo-3-(4-tert-butylbenzenesulfonyl)-2H-chromen-2-one (CAS 865656-27-5) is a high-purity analytical reference standard with the molecular formula C19H17BrO4S and a molecular weight of 421.30 g/mol.
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), 6-Bromo-3-(4-tert-butylbenzenesulfonyl)-2H-chromen-2-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 | C19H17BrO4S |
| Molecular Weight | 421.30 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 4-Bromo-1-methyl-2-phenyl-5-(tosylmethyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 1023502-23-9)
- 2-(6-Bromo-2,4-diphenylquinazolin-3(4h)-yl)acetic acid (CAS 313650-47-4)
- 2-[4-(8-Bromo-3-methyl-2-oxo-2,3-dihydroimidazo[4,5-c]quinolin-1-yl)phenyl]-2-methylpropionitrile (CAS 915019-50-0)
- 4-((5-Bromo-2-fluorobenzylidene)amino)-3-(3-ethoxyphenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 613249-86-8)
- 5-Bromo-7-(phenylsulfonyl)-4-(piperidin-1-yl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 252723-23-2)
- N-(2-Bromo-4-methylphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 575469-28-2)
- N-(4-Bromo-2-methylphenyl)-2-((4-ethyl-5-(furan-2-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 618413-34-6)
- 3-(5-Bromo-1-methyl-1H-indol-3-yl)-4-(benzofuran-3-yl)pyrrole-2,5-dione (CAS 941575-71-9)
Recommended Standards
- 3-[(2,4-Dichlorophenyl)methoxy]-N'-(pyridine-2-carboximidoyl)thiophene-2-carbohydrazide (CAS 339009-53-9)
- Vismodegib (CAS 879085-55-9)
- 2-((2,6-Dichlorobenzyl)thio)-6-methyl-N-(3-nitrophenyl)pyrimidin-4-amine (CAS 333420-81-8)
- Sitagliptin impurity 112 (CAS CATO-C4X-1144112)
- N-(2-{1-[3-(Trifluoromethyl)benzyl]-1H-benzimidazol-2-yl}ethyl)-2-thiophenecarboxamide (CAS 1510834-37-3)
- 3-(6-Bromo-1H-benzo[de]isoquinolin-2(3H)-yl)piperidine-2,6-dione (CAS 2767588-56-5)
- 2-(Trifluoromethyl)-1,6-naphthyridine-3-carboxylic acid (CAS 240408-97-3)
- Methyl 7-(4-methylbenzenesulfonyl)-7H-pyrrolo[2,3-d]pyrimidine-4-carboxylate (CAS 1261365-63-2)
- 1138445-65-4 9147AC C11H13BrN2O2 N-{4-[Acetyl(methyl)amino]phenyl}-2-bromoacetamide (CAS 1138445-65-4)
- Cefuroxime Sodium EP Impurity D (CAS 76598-06-6)
- Tert-butyl 5-amino-1,3,4,5,6,7-hexahydro-2H-isoindole-2-carboxylate (CAS 1936000-06-4)
- 2-bromo-5-(tributylstannyl)thiazole, 95% (CAS 1447761-46-7)
- 5-(M-tolyl)furan-2-carbaldehyde (CAS 94078-19-0)
- Semaglutide impurity 58 (CAS CATO-C4X-222658)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com