4,4'-(Bromomethylene)bis(methoxybenzene) CAS 69545-37-5
| CAS No. | 69545-37-5 |
| Molecular Formula | C15H15BrO2 |
| Molecular Weight | 307.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO supplies 4,4'-(Bromomethylene)bis(methoxybenzene) (CAS 69545-37-5), a certified reference material (molecular formula C15H15BrO2, MW 307.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H15BrO2, 4,4'-(Bromomethylene)bis(methoxybenzene) 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 307.18 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).
As a certified reference material (CRM), 4,4'-(Bromomethylene)bis(methoxybenzene) 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 | C15H15BrO2 |
| Molecular Weight | 307.18 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Br-containing |
Related Bromomethylene Standards
- (E)-11-(bromomethylene)-3-fluoro-6,11-dihydrodibenzo[b,e]oxepine (CAS 710348-97-3)
- 4,4'-(Bromomethylene)dibenzonitrile (CAS 69545-39-7)
- 4,4'-(Bromomethylene)bis(chlorobenzene) (CAS 6306-46-3)
- 1-Boc-4-(bromomethylene)piperidine (CAS 1020329-80-9)
- 2,2'-(Bromomethylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 52293-05-7)
- 1,1'-(Bromomethylene)dinaphthalene (CAS 5467-20-9)
- (Bromomethylene)triphenylphosphorane (CAS 39598-55-5)
- 2,2'-(Bromomethylene)bis(benzo[d]thiazole) (CAS 706778-27-0)
Recommended Standards
- 4-(Benzyloxy)-1-bromo-2-(methoxymethyl)benzene (CAS 2379322-32-2)
- 4-Bromochrysene (CAS 76670-41-2)
- 3-Hydroxy-2,3-dimethylbutan-2-yl hydrogen (5-(pyrimidin-5-yl)thiazol-4-yl)boronate (CAS 2223039-32-3)
- 4-Bromonaphthalen-2-yl pivalate (CAS 2158298-64-5)
- N-Benzyl-N-isopropylpiperidin-3-amine (CAS 1353984-01-6)
- 4-(Chloromethyl)-5-(difluoromethyl)-2-iodonicotinaldehyde (CAS 1807153-96-3)
- 2-Fluoro-3-methylbenzaldehyde (CAS 886762-64-7)
- 4-Methyl-2-heptyn-4-ol (CAS 4376-16-3)
- Tafluprost Impurity 25 (CAS CATO-C4X-216325)
- 2-(1-(tert-Butoxycarbonyl)piperidin-3-yl)-2-(methylthio)acetic acid (CAS 1353957-76-2)
- 4-(Prop-2-ynamido)benzoic acid (CAS 1016868-07-7)
- N-((4-chlorobenzoyl)oxy)-1,2,3-thiadiazole-4-carboxamide (CAS 341965-59-1)
- 5-Carbamoyl-3-chloropyridine-2-carboxylic acid (CAS 1200497-79-5)
- Glucagon receptor antagonist I (CAS 438618-32-7)
Why CATO?
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