5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(3-methylphenyl)methyl]-1H-1,3-benzodiazole CAS 338774-10-0
| CAS No. | 338774-10-0 |
| Molecular Formula | C20H14Cl3N3 |
| Molecular Weight | 402.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(3-methylphenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-10-0) 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-[(3-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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5,6-Dichloro-2-(2-chloropyridin-3-yl)-1-[(3-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-[(2-methylphenyl)methyl]-1H-1,3-benzodiazole (CAS 338774-09-7)
- 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)
- 5-Chloro-1-[(3,4-dichlorophenyl)methyl]-N-[2-(dimethylamino)ethyl]-2-oxo-1,2-dihydropyridine-3-carboxamide (CAS 338981-08-1)
- 17-O-tert-Butyldimethylsilyl 5,14-Androstadiene-3β,17β-diol (CAS 61252-32-2)
- NPS 2390 (CAS 226878-01-9)
- 1-(Diethoxymethyl)cyclopropane-1-carbaldehyde (CAS 400709-86-6)
- 5-Oxo-5-(3-phenoxyphenyl)valeric acid (CAS 871127-75-2)
- Olmesartan Methyl Ether (CAS 1039762-40-7)
- Methyl 2-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}acetyl)-6-oxo-1,2-diazinane-4-carboxylate (CAS 251307-23-0)
- tert-Butyl N-{[1-(pyridin-2-yl)piperidin-4-yl]methyl}carbamate (CAS 1365988-39-1)
- R-(-)-Phencyphos hydrate (CAS 953776-24-4)
- β-2-Deoxy Zebularine (CAS 22003-30-1)
- 5-Cyano-4-(ethoxycarbonyl)-6-oxo-1,6-dihydropyridine-2-carboxylic acid (CAS 34086-91-4)
- Semaglutide Impurity 6 (CAS 62-57-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com