3-(4’-Bromophenyl)-6-hydroxy-4-methylcoumarin CAS 331821-31-9
| CAS No. | 331821-31-9 |
| Molecular Formula | C16H11BrO3 |
| Molecular Weight | 331.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-(4’-Bromophenyl)-6-hydroxy-4-methylcoumarin 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.
3-(4’-Bromophenyl)-6-hydroxy-4-methylcoumarin (CAS 331821-31-9) is a high-purity analytical reference standard with the molecular formula C16H11BrO3 and a molecular weight of 331.16 g/mol.
Based on its molecular formula C16H11BrO3, 3-(4’-Bromophenyl)-6-hydroxy-4-methylcoumarin contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.16 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C16H11BrO3 |
| Molecular Weight | 331.16 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 2025 |
| Halogen Content | Br-containing |
Related Bromophenyl Standards
- 3-(4-Bromophenyl)-2-(4-nitrophenyl)propanenitrile (CAS 1254177-54-2)
- Methyl 2-(4-bromophenyl)imidazo[1,2-a]pyridine-8-carboxylate (CAS 133427-41-5)
- (E)-4-(3-(4-Bromophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 1644526-89-5)
- (4-Bromophenyl)(7-methoxybenzofuran-2-yl)methanone (CAS 477848-09-2)
- (E)-4-(3-(2-Bromophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 2651958-65-3)
- (E)-4-(3-(3-Bromophenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 2651958-62-0)
- 1-(((4-Bromophenyl)amino)methyl)indoline-2,3-dione (CAS 84003-10-1)
- 1-(4-Bromophenyl)-2-methyl-1H-benzo[d]imidazole-5-carboxylic acid (CAS 452088-67-4)
Recommended Standards
- 3-(3’-Bromophenyl)-7-methoxycoumarin (CAS 720674-57-7)
- 3-(4’-Bromophenyl)-7-methoxycoumarin (CAS 332104-52-6)
- 2-(Bromomethyl)-1-methoxyanthracene-9,10-dione (CAS 63965-46-8)
- 3-(4-Bromophenyl)-5-(2-methoxyphenyl)-1,2,4-oxadiazole (CAS 331989-19-6)
- tert-Butyl N-(2-cyano-5-fluoropyridin-3-yl)carbamate (CAS 1341034-65-8)
- 5-Cyclopropoxy-2-ethylbenzonitrile (CAS 1243395-19-8)
- 1-(4-Ethoxy-1H-pyrazolo[3,4-b]pyridin-5-yl)ethanone (CAS 60868-78-2)
- N-(2-cyano-2-methylethyl)benzamide (CAS 70964-88-4)
- Methyl 3-(methylamino)-5-nitrobenzoate (CAS 70872-15-0)
- tert-butyl N-[6-[[2-hydroxy-1-(hydroxymethyl)ethyl]amino]spiro[2.5]octan-2-yl]carbamate (CAS 2297006-58-5)
- Fluorescein Sodium Salt (CAS 518-47-8)
- Ethyl (2Z)-2-chloro-2-[2-(4-fluorophenyl)hydrazin-1-ylidene]acetate (CAS 37522-19-3)
- oxolane-2-carbohydrazide (CAS 59293-11-7)
- Des-Lys16-Tirzepatide (CAS CATO-CPTD788957)
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