2-Bromo-1,3-di-p-tolylpropane-1,3-dione CAS 52046-56-7
| CAS No. | 52046-56-7 |
| Molecular Formula | C17H15BrO2 |
| Molecular Weight | 331.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-Bromo-1,3-di-p-tolylpropane-1,3-dione 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.
CATO supplies 2-Bromo-1,3-di-p-tolylpropane-1,3-dione (CAS 52046-56-7), a certified reference material (molecular formula C17H15BrO2, MW 331.20 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H15BrO2, 2-Bromo-1,3-di-p-tolylpropane-1,3-dione contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 331.20 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.
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 | C17H15BrO2 |
| Molecular Weight | 331.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 3-bromo-5-ethoxy-4-(3-methylbutoxy)benzoic acid (CAS 731827-15-9)
- N-(2-bromo-5-(dimethoxymethyl)pyridin-3-yl)pivalamide (CAS 1171919-93-9)
- 5-Bromo-1,3-dimethyl-6-((4-methylpiperazin-1-yl)methyl)pyrimidine-2,4(1H,3H)-dione (CAS 1189749-78-7)
- 4-Bromo-N-t-butyl-2-nitro-5-propoxyaniline (CAS 1305322-90-0)
- 2-Bromo-N-(3,4-dimethylisoxazol-5-yl)benzenesulfonamide (CAS 153623-86-0)
- 2-Bromo-N,N-dimethyl-4-(5-methylbenzo[d]oxazol-2-yl)aniline (CAS 1706453-76-0)
- 2-Bromo-N-(4,5-dimethylisoxazol-3-yl)benzenesulfonamide (CAS 195447-72-4)
- (3-Bromo-5-nitrophenyl)(thiomorpholino)methanone (CAS 2432848-90-1)
Recommended Standards
- 2,5-Dichloro-N-(2-methylquinolin-8-yl)benzamide (CAS 61388-92-9)
- 3-(2,4-Dichlorophenyl)-1-(p-tolyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-96-7)
- 2-(4-Chloro-2-methylphenoxy)-5-(4-chlorophenyl)pyrimidine (CAS 478029-23-1)
- 1-Chloro-N-(4-chlorophenyl)-N-methylisoquinoline-4-carboxamide (CAS 240799-60-4)
- 1-(Methylsulfonyl)indolin-7-amine (CAS 1595726-80-9)
- 2-Chloro-1-methyl-1H-imidazole-4-sulfonyl chloride (CAS 1394040-91-5)
- Atrasentan (CAS 173937-91-2)
- 2-Oxo-cyclobutane Undecanoic Acid (CAS 169263-77-8)
- (2-Bromoethoxy)cyclopentane (CAS 131666-02-9)
- Pancuronium Bromide Impurity 3 (CAS 53357-37-2)
- N-(2,2,2-Trichloro-1-(3,5-dimethyl-1H-pyrazol-1-yl)ethyl)formamide (CAS 93554-38-2)
- 2-(3-Formyl-2-methyl-1H-indol-1-yl)-N-(furan-2-ylmethyl)acetamide (CAS 431910-76-8)
- 3-Bromo-7-chloro-2,4-dimethyl-1,8-naphthyridine (CAS 1021117-08-7)
- Semaglutide impurity 286 (CAS CATO-C4X-2226286)
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