3-(5,6-Dichloro-1-(2-methylbenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one CAS 338774-31-5
| CAS No. | 338774-31-5 |
| Molecular Formula | C20H15Cl2N3O |
| Molecular Weight | 384.26 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 3-(5,6-Dichloro-1-(2-methylbenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one.
3-(5,6-Dichloro-1-(2-methylbenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one (CAS 338774-31-5) is a high-purity analytical reference standard with the molecular formula C20H15Cl2N3O and a molecular weight of 384.26 g/mol.
Based on its molecular formula C20H15Cl2N3O, 3-(5,6-Dichloro-1-(2-methylbenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 384.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-(5,6-Dichloro-1-(2-methylbenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one 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 | C20H15Cl2N3O |
| Molecular Weight | 384.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
- 3-(5,6-Dichloro-1-(4-methylbenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one (CAS 338412-00-3)
- 4-(2,3-Dichloro-benzylidene)-1,2,3,4-tetrahydro-acridine-9-carboxylic acid (CAS 379728-20-8)
- 5-(5,6-Dichloro-1-(2-methylbenzyl)-1H-benzo[d]imidazol-2-yl)pyridin-2(1H)-one (CAS 338774-03-1)
- 2,4-Dichloro-N-(1,5,6-trimethyl-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338411-08-8)
- 2,5-Dichloro-N-(1,5,6-trimethyl-1H-benzo[d]imidazol-4-yl)benzenesulfonamide (CAS 338410-94-9)
- 2-(((4-(4,5-Dichloro-1H-imidazol-1-yl)phenyl)imino)methyl)-3-hydroxy-1H-inden-1-one (CAS 1024316-38-8)
- 2,4-Dichloro-N-{[(3,4-dimethoxyphenyl)carbamoyl]amino}benzamide (CAS 866019-62-7)
- 2,4-Dichloro-N-(2-methyl-3-(trifluoromethyl)phenyl)benzenesulfonamide (CAS 2197054-61-6)
Recommended Standards
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