1,3-Diethyl 2-(4-bromophenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate CAS 4759-57-3
| CAS No. | 4759-57-3 |
| Molecular Formula | C19H23BrO6 |
| Molecular Weight | 427.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,3-Diethyl 2-(4-bromophenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate 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.
1,3-Diethyl 2-(4-bromophenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate (CAS 4759-57-3), molecular formula C19H23BrO6 and molecular weight 427.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution, 1,3-Diethyl 2-(4-bromophenyl)-4-hydroxy-4-methyl-6-oxocyclohexane-1,3-dicarboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 427.29 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H23BrO6 |
| Molecular Weight | 427.29 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Br-containing |
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Recommended Standards
- 1-(4-Bromobenzenesulfonyl)-N-(4-fluorophenyl)pyrrolidine-2-carboxamide (CAS 317377-74-5)
- 2-(1-(Tert-butyl)-1H-pyrazole-4-carbonyl)phenyl 3-bromobenzoate (CAS 955962-16-0)
- (S)-benzyl 2-(5-bromo-1H-indole-3-carbonyl)pyrrolidine-1-carboxylate (CAS 199659-03-5)
- Benzyl 2-(5-bromo-1H-indole-3-carbonyl)pyrrolidine-1-carboxylate (CAS 331842-86-5)
- 2-(5-Bromopyrimidin-2-yl)-2-methylpropanoic acid (CAS 1364718-95-5)
- 4-(2,3-Dihydro-1H-inden-5-yloxy)-2-(trifluoromethyl)phenylamine (CAS 946698-36-8)
- 2-(2-Chloro-6-methylphenoxy)nicotinonitrile (CAS 2197053-12-4)
- Isavuconazole Impurity 80 (CAS CATO-C4X-123680)
- Methyl 3-amino-3-(2-chloro-4-hydroxyphenyl)propanoate (CAS 1824633-38-6)
- 1H-PYrrolo[2,3-b]pyridine-3-sulfonic acid (4-fluoro-phenyl)-amide (CAS 1197852-65-5)
- 1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-Hexadecamethyloctasiloxane (CAS 19095-24-0)
- C-[4-(4-Methoxy-phenyl)-tetrahydro-pyran-4-yl]-methylamine hydrochloride (CAS 1185300-98-4)
- 3-Bromo-5-(3,3-difluoropyrrolidin-1-ylmethyl)-pyridine (CAS 1428065-38-6)
- Hexapeptide-9 (CAS 1228371-11-6)
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