6,8-Dibromo-3-[4-(propan-2-yl)benzenesulfonyl]-2H-chromen-2-one CAS 865656-39-9
| CAS No. | 865656-39-9 |
| Molecular Formula | C18H14Br2O4S |
| Molecular Weight | 486.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6,8-Dibromo-3-[4-(propan-2-yl)benzenesulfonyl]-2H-chromen-2-one is closely related to a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6,8-Dibromo-3-[4-(propan-2-yl)benzenesulfonyl]-2H-chromen-2-one (CAS 865656-39-9), molecular formula C18H14Br2O4S and molecular weight 486.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6,8-Dibromo-3-[4-(propan-2-yl)benzenesulfonyl]-2H-chromen-2-one (C18H14Br2O4S) contains a flavonoid core, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 486.17 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 manufactures 6,8-Dibromo-3-[4-(propan-2-yl)benzenesulfonyl]-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 | C18H14Br2O4S |
| Molecular Weight | 486.17 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 Dibromo Standards
- 3,4-Dibromo-Mal-PEG2-N-Boc (CAS 1807537-43-4)
- 4,5-Dibromo-N-(3-iodophenyl)thiophene-2-carboxamide (CAS 749893-00-3)
- 2-(2,3-Dibromo-6-ethoxy-4-formylphenoxy)-N-(2-methoxyphenyl)acetamide (CAS 832674-56-3)
- 3-((3,5-Dibromo-4-(4-hydroxy-3-isopropylphenoxy)phenyl)amino)-3-oxopropanoic acid (CAS 355129-15-6)
- 2-(2,3-Dibromo-6-ethoxy-4-formylphenoxy)-N-phenethylacetamide (CAS 832674-35-8)
- 2,3-Dibromo-1,4-diiodobenzene (CAS 1207434-10-3)
- 1,2-Dibromo-4,5-diiodobenzene (CAS 529502-50-9)
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Recommended Standards
- CAY10508 (CAS 878533-35-8)
- 5,5-Bis(3-bromo-4-methoxyphenyl)-2-thioxoimidazolidin-4-one (CAS 81835-95-2)
- Azacitidine Impurity 26 (CAS 63-39-8)
- Ambroxol Impurity 41 (CAS CATO-C4X-108541)
- 3-(2-Bromobenzyl)pyrrolidin-3-ol (CAS 1341459-53-7)
- 3-Methyl-1H-1,2,4-triazole-5-sulfonamide (CAS 29982-54-5)
- Ethyl 2-(methylthio)-4-((4-(trifluoromethyl)phenyl)amino)pyrimidine-5-carboxylate (CAS 339019-43-1)
- 1-Benzyldihydropyrimidine-2,4(1H,3H)-dione (CAS 716-99-4)
- 3-Bromo-5-(but-3-en-1-yl)-4,5-dihydroisoxazole (CAS 823787-14-0)
- Fmoc-D-Lys-OH ยท HCl (CAS 201002-47-3)
- 3-(4-((2-Chloro-6-fluorobenzyl)oxy)phenyl)-1-(3-chlorobenzyl)-1H-pyrazole (CAS 477711-61-8)
- 3-(2-Methoxyethoxy)aniline (CAS 110178-35-3)
- 3-(Benzo[d]thiazol-2-yl)-2-methylpropanoic acid (CAS 879916-67-3)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
Why CATO?
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