2-(4-Ethoxyphenyl)-4-oxo-4H-chromen-3-yl 4-bromobenzene-1-sulfonate CAS 298217-83-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 298217-83-1 |
| Molecular Formula | C23H17BrO6S |
| Molecular Weight | 501.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-(4-Ethoxyphenyl)-4-oxo-4H-chromen-3-yl 4-bromobenzene-1-sulfonate (CAS 298217-83-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C23H17BrO6S. Molecular weight: 501.35 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C23H17BrO6S |
| Molecular Weight | 501.35 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Ethoxyphenyl Standards
- 2-{[2-(4-ethoxyphenyl)-5-methyl-1,3-oxazol-4-yl]methyl}-8-(piperidine-1-sulfonyl)-2H,3H-[1,2,4]triazolo[4,3-a]pyridin-3-one (CAS 1707392-09-3)
- 2-((3-(4-Ethoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(m-tolyl)acetamide (CAS 380453-38-3)
- 2-((3-(4-Ethoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(p-tolyl)acetamide (CAS 421578-15-6)
- 2-((2-(4-Ethoxyphenyl)-2-oxoethyl)thio)-3-(4-methoxyphenyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477332-77-7)
- 2-(4-Ethoxyphenyl)-4-oxo-4H-chromen-3-yl 2,5-dichlorobenzene-1-sulfonate (CAS 298217-82-0)
- 5-((3-(4-Ethoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)-3-(4-methylbenzyl)-2-thioxothiazolidin-4-one (CAS 623934-82-7)
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- N-(2-Ethoxyphenyl)-2-((4-(4-methoxyphenyl)-5-(phenoxymethyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 539808-36-1)
Recommended Standards
- 2-((N-(2,4-dichloro-5-methoxyphenyl)-4-fluorophenyl)sulfonamido)-N-(4-fluorophenyl)acetamide (CAS 338967-37-6)
- 3,4,5-Tris(4-(trifluoromethyl)phenyl)-4H-1,2,4-triazole (CAS 817638-46-3)
- 8-Bromo-5’-O-(4-cyanobenzyl)-2’,3’-di-O-isopropylidene adenosine (CAS 1134156-53-8)
- Ethyl (E)-2-cyano-2-(2-oxoindolin-3-ylidene)acetate (CAS 14003-19-1)
- 5-[2-(Trimethylsilyl)ethynyl]thiophene-2-carbaldehyde (CAS 206768-50-5)
- 3-Amino-4-chloro-N-(2-hydroxy-1,1-dimethylethyl)-benzenesulfonamide (CAS 871571-54-9)
- (2,4-Difluorophenyl)(3-(thiomorpholinomethyl)phenyl)methanone (CAS 898787-93-4)
- n-(4-Fluorobenzyl)cyclopentanamine (CAS 85952-73-4)
- N-Acetyl-S-(1-cyano-2-hydroxyethyl)-L-cysteine-d3 Dicyclohexylamine Salt(Mixture of Diastereomers) (CAS 1356017-48-5)
- (Ser(PO?H?)2?2)-Tau Peptide (260-264) PAb Blocking trifluoroacetate salt (CAS 2022956-57-4)
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