4,7-Bis(4-formylphenyl)-1,3-dimethyl-1H-benzo[d]imidazol-3-ium bromide CAS 2092907-96-3
| CAS No. | 2092907-96-3 |
| Molecular Formula | C23H19N2O2 |
| Molecular Weight | N/A |
| 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 4,7-Bis(4-formylphenyl)-1,3-dimethyl-1H-benzo[d]imidazol-3-ium bromide.
4,7-Bis(4-formylphenyl)-1,3-dimethyl-1H-benzo[d]imidazol-3-ium bromide (CAS 2092907-96-3), molecular formula C23H19N2O2Br and molecular weight 435.32 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,7-Bis(4-formylphenyl)-1,3-dimethyl-1H-benzo[d]imidazol-3-ium bromide (C23H19N2O2Br) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 435.32 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), 4,7-Bis(4-formylphenyl)-1,3-dimethyl-1H-benzo[d]imidazol-3-ium bromide 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 | C23H19N2O2 Br |
| Molecular Weight | 435.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bis Standards
- 2-(3-Formylphenyl)benzoic acid (CAS 100538-35-0)
- 3-(4-Formylphenyl)prop-2-ynoic acid (CAS 1021879-02-6)
- 3-(4-Formylphenyl)-3-methylbutanoic acid (CAS 1023814-83-6)
- 2-Formylphenyl benzenesulfonate (CAS 107189-77-5)
- 4-Formylphenyl 4-chlorobenzoate (CAS 108577-34-0)
- Ethyl 3-(3-formylphenyl)propanoate (CAS 110114-05-1)
- 4-(3-Formylphenyl)phenylboronic acid (CAS 1101866-02-7)
- Ethyl 4-(4-formylphenyl)piperazine-1-carboxylate (CAS 111131-81-8)
Recommended Standards
- 5-(4-Methylbenzyl)-2-morpholinothiazol-4-amine (CAS 1387558-59-9)
- (S)-2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-6-(2-(4,7,10-tris(2-(tert-butoxy)-2-oxoethyl)-1,4,7,10-tetraazacyclododecan-1-yl)acetamido)hexanoic acid (CAS 479081-06-6)
- 1-(4-(Methylthio)benzyl)piperidin-4-ol (CAS 414872-42-7)
- Tegoprazan Impurity 60 (CAS CATO-C4X-229760)
- 2,2-dimethoxybutane (CAS 3453-99-4)
- (5-Bromobenzo[b]thiophen-2-yl)(morpholino)methanone (CAS 439107-98-9)
- Methyl deacetylasperulosidate (CAS 52613-28-2)
- ethyl 4-amino-1H-pyrrole-2-carboxylate hydrochloride (CAS 1354952-55-8)
- 5-Amino-1-(2-chlorobenzyl)-N-(m-tolyl)-1H-1,2,3-triazole-4-carboxamide (CAS 899981-44-3)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
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