5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2,4-dichlorophenyl)methyl]-1H-1,3-benzodiazole CAS 338774-27-9
| CAS No. | 338774-27-9 |
| Molecular Formula | C19H10Cl5N3 |
| Molecular Weight | 457.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2,4-dichlorophenyl)methyl]-1H-1,3-benzodiazole is closely related to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2,4-dichlorophenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-27-9), molecular formula C19H10Cl5N3 and molecular weight 457.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H10Cl5N3, 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2,4-dichlorophenyl)methyl]-1H-1,3-benzodiazole contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 457.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2,4-dichlorophenyl)methyl]-1H-1,3-benzodiazole 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 | C19H10Cl5N3 |
| Molecular Weight | 457.57 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 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
- 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2,6-dichlorophenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-26-8)
- 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(3,4-dichlorophenyl)methyl]-1H-1,3-benzodiazole (CAS 337920-72-6)
- 5,6-Dichloro-2-(6-chloropyridin-3-yl)-1-(2,4-dichlorobenzyl)-1H-benzo[d]imidazole (CAS 303144-82-3)
- 5,6-Dichloro-2-(6-chloropyridin-3-yl)-1-[(3,4-dichlorophenyl)methyl]-1H-1,3-benzodiazole (CAS 303144-88-9)
- N-[2,4-Dichloro-5-(propan-2-yloxy)phenyl]-2-({[(4-methoxyphenyl)carbamoyl]methyl}sulfanyl)acetamide (CAS 341964-58-7)
- N-(2,4-dichloro-5-methoxyphenyl)-3-(2-fluoro-4-nitrophenoxy)thiophene-2-carboxamide (CAS 339015-56-4)
- 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-{[3-(trifluoromethyl)phenyl]methyl}-1H-1,3-benzodiazole (CAS 860609-21-8)
- 3,4-dichloro-3'-piperidinomethyl benzophenone (CAS 898793-54-9)
Recommended Standards
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- [2-(4-MEthylpiperazinyl)-1-phenylethyl]methylamine (CAS 256227-71-1)
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- 5-Bromo-3-chloro-6-fluoropyridin-2-amine (CAS 2857813-67-1)
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- 4-Iodopyridin-2(1H)-one (CAS 858839-90-4)
- 4-(3-Fluorophenyl)-5-hydroxyisoquinolin-1(2H)-one (CAS 656234-21-8)
- 2-(4-Chlorobenzoyl)-N-methylhydrazine-1-carbothioamide (CAS 29527-10-4)
- Semaglutide Sodium Salt (CAS CATO-C4X-222620)
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