4,4''-Bis(bromomethyl)-5'-(4-(bromomethyl)phenyl)-1,1':3',1''-terphenyl CAS 42837-44-5
| CAS No. | 42837-44-5 |
| Molecular Formula | C27H21Br3 |
| Molecular Weight | 585.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 4,4''-Bis(bromomethyl)-5'-(4-(bromomethyl)phenyl)-1,1':3',1''-terphenyl (CAS 42837-44-5), a certified reference material (molecular formula C27H21Br3, MW 585.17 g/mol) for analytical method development and quality control.
Structurally, 4,4''-Bis(bromomethyl)-5'-(4-(bromomethyl)phenyl)-1,1':3',1''-terphenyl (C27H21Br3) contains bromine substitution, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 585.17 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4,4''-Bis(bromomethyl)-5'-(4-(bromomethyl)phenyl)-1,1':3',1''-terphenyl 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 | C27H21Br3 |
| Molecular Weight | 585.17 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1969 |
| Halogen Content | Br-containing |
Related Bis Standards
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