5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2-methylphenyl)methyl]-1H-1,3-benzodiazole CAS 338774-09-7
| CAS No. | 338774-09-7 |
| Molecular Formula | C20H14Cl3N3 |
| Molecular Weight | 402.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2-methylphenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-09-7) is a high-purity analytical reference standard with the molecular formula C20H14Cl3N3 and a molecular weight of 402.70 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution, 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2-methylphenyl)methyl]-1H-1,3-benzodiazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 402.70 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(2-methylphenyl)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 | C20H14Cl3N3 |
| Molecular Weight | 402.70 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-[(3-methylphenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-10-0)
- 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(4-methylphenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-33-7)
- 5,6-Dichloro-2-(6-chloropyridin-3-yl)-1-(2-methylbenzyl)-1H-benzo[d]imidazole (CAS 400075-87-8)
- Ethyl 2-[2,4-dichloro-5-(4-chlorobenzamido)phenoxy]acetate (CAS 338961-34-5)
- 1,3-Dichloro-5-(dibromomethyl)-2-(trifluoromethoxy)benzene (CAS 1350760-81-4)
- 2,4-Dichloro-N-(4-{[(4-methylphenyl)sulfanyl]methyl}phenyl)benzamide (CAS 338398-72-4)
- 3,5-Dichloro-N-(4-{[(4-methylphenyl)sulfanyl]methyl}phenyl)benzamide (CAS 338398-73-5)
- 3,4-Dichloro-N'-(4,6-dimethyl-3-(methylsulfonyl)pyridin-2-yl)-N'-methylbenzohydrazide (CAS 341967-40-6)
Recommended Standards
- 4,4-Bis(2-ethylhexyl)-4H-cyclopenta[1,2-b:5,4-b']dithiophene (CAS 365547-20-2)
- 1-Bromoeicosane-d41 (CAS 202480-71-5)
- 17-O-tert-Butyldimethylsilyl 5,14-Androstadiene-3β,17β-diol (CAS 61252-32-2)
- N-(2-((4-bromophenyl)sulfonyl)ethyl)-4-chlorobenzamide (CAS 400084-10-8)
- N-(2-Methoxy-5-methylphenyl)thiourea (CAS 88686-29-7)
- 2-(6-amino-2-iodo-9-purinyl)-5-(hydroxymethyl)oxolane-3,4-diol 2-(6-azanyl-2-iodanyl-purin-9-yl)-5-(hydroxymethyl)oxolane-3,4-diol 35109-88-7 A822571 (CAS 35109-88-7)
- N-Boc-(R)-2-amino-3-hydroxy-3-methylbutanoic acid (CAS 288159-40-0)
- 3-Chloro-1-(o-tolyl)isoquinoline (CAS 89721-08-4)
- 1-[1-(2-Phenylethyl)piperidin-4-yl]methanamine (CAS 127285-09-0)
- 3-(Trifluoromethyl)benzenesulfonamide (CAS 672-58-2)
- tert-Butyl (2-(morpholin-2-yl)propan-2-yl)carbamate (CAS 2359536-88-0)
- 2-((4-(6-Methylbenzo[d]thiazol-2-yl)phenyl)carbamoyl)benzoic acid (CAS 299164-58-2)
- 2-(3-phenyl-1H-pyrazol-1-yl)ethan-1-amine (CAS 1006468-98-9)
- Semaglutide impurity 78 (CAS CATO-C4X-222678)
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