2-Chloro-5-(pyridin-4-yl)pyridine CAS 79739-22-3
| CAS No. | 79739-22-3 |
| Molecular Formula | C10H7ClN2 |
| Molecular Weight | 190.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 190.63 g/mol gives 2-Chloro-5-(pyridin-4-yl)pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Chloro-5-(pyridin-4-yl)pyridine (CAS 79739-22-3), molecular formula C10H7ClN2 and molecular weight 190.63 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C10H7ClN2, 2-Chloro-5-(pyridin-4-yl)pyridine 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 190.63 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H7ClN2 |
| Molecular Weight | 190.63 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 2-Chloro-3,3'-bipyridine (CAS 101001-94-9)
- 6-Chloro-1-naphthaldehyde (CAS 116632-02-1)
- 4-Chloro-7-methyl-1H-indole-6-carbonitrile (CAS 1167056-04-3)
- 2-Chloro-3,4'-bipyridine (CAS 1187968-06-4)
- 5-chloro-1-methyl-1H,6H,7H-pyrazolo[4,3-d]pyrimidin-7-one (CAS 1211533-31-1)
- 4-Chloro-2,4'-bipyridine (CAS 1214335-54-2)
- 2-Chloro-N'-(2-cyclopropylacetyl)acetohydrazide (CAS 1263386-34-0)
- 2-Chloro-4-phenylpyrimidine (CAS 13036-50-5)
Recommended Standards
- 2-Chloro-4,4’-bipyridine (CAS 53344-73-3)
- 2-Chloro-5-phenylpyrazine (CAS 25844-73-9)
- 2-Chloro-3-phenylpyrazine (CAS 41270-65-9)
- 2-Chloro-5-phenylpyrimidine (CAS 22536-62-5)
- 5-Methyluridine (CAS 1463-10-1)
- Boc-Ala-Pro-OH (CAS 33300-72-0)
- 3-(4-Fluoro-3-(trifluoromethoxy)phenyl)propanoic acid (CAS 1240256-80-7)
- 3-((4-Fluorophenyl)thio)-N-(thiazol-2-yl)propanamide (CAS 896356-26-6)
- 1-(2-aminoethyl)azepan-2-one (CAS 27431-27-2)
- Mal(12.1) (CAS 1219008-68-0)
- Ethyl 3-bromo-4-((4-chlorobenzyl)oxy)benzoate (CAS 1706453-38-4)
- Dehydro Nifedipine-d6 (CAS 125464-52-0)
- 1-(5-(Diethylamino)-4-ethyl-2-methyl-4,5-dihydrofuran-3-yl)ethanone (CAS 88557-07-7)
- Semaglutide Impurity 184 (CAS CATO-C4X-2226184)
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