3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-a]pyridine CAS 2746-40-9
| CAS No. | 2746-40-9 |
| Molecular Formula | C12H7Cl2N3 |
| Molecular Weight | 264.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 264.11 g/mol gives 3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-a]pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-a]pyridine (CAS 2746-40-9), a certified reference material (molecular formula C12H7Cl2N3, MW 264.11 g/mol) for analytical method development and quality control.
Structurally, 3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-a]pyridine (C12H7Cl2N3) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 264.11 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures 3-(2,4-Dichlorophenyl)-[1,2,4]triazolo[4,3-a]pyridine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H7Cl2N3 |
| Molecular Weight | 264.11 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichlorophenyl Standards
- 2-((2,3-Dichlorophenyl)amino)nicotinonitrile (CAS 1040084-21-6)
- 2-(3,4-Dichlorophenyl)imidazo[1,2-a]pyrimidine (CAS 108845-41-6)
- 2-(2,6-Dichlorophenyl)-1H-imidazo[4,5-c]pyridine (CAS 1283261-83-5)
- 2-(2,4-Dichlorophenyl)imidazo[1,2-a]pyrimidine (CAS 143696-74-6)
- 2-(2,6-Dichlorophenyl)imidazo[1,2-c]pyrimidine (CAS 1638768-42-9)
- 2-(3,5-Dichlorophenyl)benzo[d]oxazole (CAS 172944-87-5)
- 2-(3,4-Dichlorophenyl)benzo[d]oxazole (CAS 3164-12-3)
- 3-(2,6-Dichlorophenyl)benzo[d]isoxazole (CAS 87828-92-0)
Recommended Standards
- 2-Chloro-N-(5-chloro-2,4-dimethoxyphenyl)acetamide (CAS 23543-12-6)
- 3-(2,5-Dichloropyrimidin-4-yl)-1H-indole (CAS 937366-57-9)
- 2-Chloro-n-(4-chloro-2,5-dimethoxyphenyl)acetamide (CAS 448250-64-4)
- 2-Butoxy-1,3-dichloro-5-nitrobenzene (CAS 90919-96-3)
- Methyl 2-(4-methoxyphenyl)-5-phenyloxazole-4-carboxylate (CAS 1370731-51-3)
- (2-Ethylpyrrolidin-2-yl)methanol (CAS 1205749-92-3)
- 4-Methyl-1-oxo-1-phenyl-1phosphinan-4-ol (CAS 2091185-57-6)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperidine-4-carbonitrile (CAS 1171918-97-0)
- N-(4-aminophenyl)-2-(azocan-1-yl)acetamide (CAS 1042802-17-4)
- 2-Methylthiophene-3-thiol (CAS 2527-76-6)
- 2-(Cyclopropyl(3-(trifluoromethyl)benzyl)amino)acetic acid (CAS 1184806-39-0)
- Calcitriol Impurity 65 (CAS CATO-C4X-151065)
- (1-Methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)(4-methylpiperazin-1-yl)methanone (CAS 477709-04-9)
- Semaglutide impurity 55 (CAS CATO-C4X-222655)
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