3-Bromo-3,5-dimethyl-4-methoxybenzophenone CAS 844879-47-6
| CAS No. | 844879-47-6 |
| Molecular Formula | C16H15BrO2 |
| Molecular Weight | 319.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Bromo-3,5-dimethyl-4-methoxybenzophenone is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Bromo-3,5-dimethyl-4-methoxybenzophenone (CAS 844879-47-6), molecular formula C16H15BrO2 and molecular weight 319.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Bromo-3,5-dimethyl-4-methoxybenzophenone (C16H15BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 319.19 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-Bromo-3,5-dimethyl-4-methoxybenzophenone 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.
Physical & Chemical Properties
| Molecular Formula | C16H15BrO2 |
| Molecular Weight | 319.19 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 2-(4'-Bromo-[1,1'-biphenyl]-4-yl)-2-methyl-1,3-dioxolane (CAS 107967-74-8)
- 3-Bromo-4-((3,5-dimethylbenzyl)oxy)benzaldehyde (CAS 1135283-80-5)
- 1-(2-bromo-4-methoxyphenyl)-2-(4-methylphenyl)ethan-1-one (CAS 1183068-56-5)
- 1-(2-bromo-4-methoxyphenyl)-2-(2-methylphenyl)ethan-1-one (CAS 1183611-53-1)
- 1-Bromo-4-{2-[2-(2-methoxyethoxy)ethoxy]ethoxy}benzene (CAS 125808-05-1)
- (E)-2-Bromo-1,3-dimethoxy-5-styrylbenzene (CAS 344396-20-9)
- 3-Bromo-3-(4-methoxyphenyl)propiophenone (CAS 898775-72-9)
- 4-(1-(3-Bromo-4-methoxyphenyl)ethyl)benzaldehyde (CAS 2484888-78-8)
Recommended Standards
- 3-Amino-6-chloro-5-(2-chlorophenyl)-1-methylquinolin-2(1H)-one (CAS 76684-34-9)
- 4-(2,4-Dichlorophenyl)-6-phenyl-2,3,4,5-tetrahydropyridazin-3-one (CAS 344282-63-9)
- 3-(4-Chloro-2-methylphenyl)-2-(chloromethyl)-3,4-dihydroquinazolin-4-one (CAS 69123-64-4)
- 4-(3-Chlorophenyl)-6-(4-chlorophenyl)-4,5-dihydropyridazin-3(2H)-one (CAS 344282-38-8)
- 2-(Pyridin-4-yl)oxazolidine hydrochloride (CAS 1891317-35-3)
- Methyl 4-(2-hydroxyphenyl)-1,3-oxazole-2-carboxylate (CAS 2091517-76-7)
- Chroman-8-carboxylic Acid (CAS 31457-16-6)
- Nimodipine impurity 39 (CAS CATO-C4X-138539)
- methyl 5-bromo-1-methyl-imidazole-4-carboxylate (CAS 120781-01-3)
- Trans-methyl 4-(4-chlorobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)cyclohexanecarboxylate (CAS 266321-48-6)
- Cyclopentanone-2,2,5,5-d4 (CAS 3997-89-5)
- Boc-D-Ser-OH (CAS 6368-20-3)
- 3,4-Dichloro-N-[2-(4-chlorophenoxy)ethyl]aniline (CAS 356537-24-1)
- Semaglutide Impurity 2 (CAS CATO-C4X-22262)
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