4-bromo-1,3-dihydrobenzimidazol-2-one CAS 40644-16-4
| CAS No. | 40644-16-4 |
| Molecular Formula | C7H11BrN2O |
| Molecular Weight | 219.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-bromo-1,3-dihydrobenzimidazol-2-one.
CATO supplies 4-bromo-1,3-dihydrobenzimidazol-2-one (CAS 40644-16-4), a certified reference material (molecular formula C7H11BrN2O, MW 219.08 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H11BrN2O, 4-bromo-1,3-dihydrobenzimidazol-2-one contains an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 219.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 manufactures 4-bromo-1,3-dihydrobenzimidazol-2-one 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.
Physical & Chemical Properties
| Molecular Formula | C7H11BrN2O |
| Molecular Weight | 219.08 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related bromo Standards
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Why CATO?
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