2-(6-Chloropyridin-3-yl)-1-[(4-methoxyphenyl)methyl]-1H-1,3-benzodiazole CAS 337920-53-3
| CAS No. | 337920-53-3 |
| Molecular Formula | C20H16ClN3O |
| Molecular Weight | 349.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 2-(6-Chloropyridin-3-yl)-1-[(4-methoxyphenyl)methyl]-1H-1,3-benzodiazole (C20H16ClN3O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 349.81 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.
2-(6-Chloropyridin-3-yl)-1-[(4-methoxyphenyl)methyl]-1H-1,3-benzodiazole (CAS 337920-53-3), molecular formula C20H16ClN3O and molecular weight 349.81 g/mol, is a CATO reference standard with documented purity and traceability.
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), 2-(6-Chloropyridin-3-yl)-1-[(4-methoxyphenyl)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 | C20H16ClN3O |
| Molecular Weight | 349.81 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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 Chloropyridin Standards
- 2-(2-Chloropyridin-3-yl)-1-(3-methoxybenzyl)-1H-benzo[d]imidazole (CAS 338411-22-6)
- 6-((6-Chloropyridin-3-yl)methyl)-5,7-dimethyl-3-(pyridin-2-yl)pyrazolo[1,5-a]pyrimidine (CAS 866040-53-1)
- (2-Chloropyridin-3-yl)(3-phenyl-2,3-dihydro-4H-benzo[b][1,4]oxazin-4-yl)methanone (CAS 478048-68-9)
- 3,3-Bis((6-chloropyridin-3-yl)methyl)pentane-2,4-dione (CAS 865658-84-0)
- 1-Benzyl-2-(6-chloropyridin-3-yl)-5,6-dimethyl-1H-1,3-benzodiazole (CAS 337920-59-9)
- 1-Benzyl-4-((2-chloropyridin-3-yl)sulfonyl)piperazine (CAS 1870476-06-4)
- 1-(6-Chloropyridin-2-yl)-3-methyl-4-(3-(trifluoromethyl)phenyl)-1H-pyrazol-5-amine (CAS 446276-01-3)
- 4-(2-(4-Chloropyridin-2-yl)-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazol-3-yl)quinoline (CAS 476475-18-0)
Recommended Standards
- 2-(4-Benzoylphenyl)-2-(4-chlorophenyl)acetamide (CAS 338965-26-7)
- 2-[2-(4-Chloro-1,6-dimethyl-2-oxo-1,2-dihydro-pyridin-3-yl)-ethyl]-6-methoxy-benzoic acid methyl ester (CAS 365542-71-8)
- 2-Amino-6-(4-chlorophenyl)-4-(4-methoxyphenyl)-5-methylpyridine-3-carbonitrile (CAS 338794-64-2)
- 2-((7-Chloroquinazolin-4-yl)amino)-1-(naphthalen-2-yl)ethan-1-ol (CAS 477870-05-6)
- Quinoline-4-sulfonamide (CAS 270902-37-9)
- 2,4-Dioxo-N-phenylpentanamide (CAS 503300-35-4)
- (1R,6R)-7,7-dibromo-6-methyl-3-azabicyclo[4.1.0]Heptane hydrochloride (CAS 1807912-35-1)
- (5E)-2-Mercapto-5-(2-methylbenzylidene)-1,3-thiazol-4(5H)-one 4430AE 50459-52-4 C11H9NOS2 (CAS 50459-52-4)
- N-(heptan-4-yl)-1-methylpiperidin-4-amine (CAS 1096338-21-4)
- 4-(Chloromethyl)-2,6-dimethylpyridine (CAS 120739-87-9)
- Methyl 3-(2-methoxyphenyl)propanoate (CAS 55001-09-7)
- 3,5-Dichloro-1H-indazole (CAS 36760-20-0)
- (2E)-2-({[(4-methoxyphenyl)methyl]amino}methylidene)-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338416-81-2)
- Atrial Natriuretic Peptide (ANP)(1-28) Alpha (Human, Ovine, Canine) (CAS 91917-63-4)
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