5-(2-Chlorophenyl)-3-(pyridin-2-yl)-1,2,4-oxadiazole CAS 27199-42-4
| CAS No. | 27199-42-4 |
| Molecular Formula | C13H8ClN3O |
| Molecular Weight | 257.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H8ClN3O, 5-(2-Chlorophenyl)-3-(pyridin-2-yl)-1,2,4-oxadiazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.68 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).
5-(2-Chlorophenyl)-3-(pyridin-2-yl)-1,2,4-oxadiazole (CAS 27199-42-4) is a high-purity analytical reference standard with the molecular formula C13H8ClN3O and a molecular weight of 257.68 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 5-(2-Chlorophenyl)-3-(pyridin-2-yl)-1,2,4-oxadiazole 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 | C13H8ClN3O |
| Molecular Weight | 257.68 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chlorophenyl Standards
- (4-Chlorophenyl)(imidazo[1,2-a]pyrimidin-3-yl)methanone (CAS 853334-53-9)
- 2-(4-Chlorophenyl)imidazo[1,2-a]pyrimidine-3-carbaldehyde (CAS 881040-43-3)
- 2-[5-(3-Chlorophenyl)-1,2,4-oxadiazol-3-yl]pyridine (CAS 327056-08-6)
- 5-(2-Chlorophenyl)-3-(pyridin-4-yl)-1,2,4-oxadiazole (CAS 27199-40-2)
- 3-(4-Chlorophenyl)-4H-cyclohepta[d]isoxazol-4-one (CAS 109072-31-3)
- 2-(4-Chlorophenyl)benzo[d]oxazole-5-carbaldehyde (CAS 1181377-97-8)
- Methyl 4-(3-chlorophenyl)-4-nitrobutanoate (CAS 1236302-40-1)
- 2-(3-Chlorophenyl)benzo[d]oxazole-5-carbaldehyde (CAS 1267406-76-7)
Recommended Standards
- 3-Chloro-2-phenyl-2H-pyrazolo[4,3-c]pyridine-7-carbaldehyde (CAS 62176-73-2)
- 3-(Chloromethyl)-1-oxo-1,5-dihydrobenzo[4,5]imidazo[1,2-a]pyridine-4-carbonitrile (CAS 554438-67-4)
- 6-Chloro-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbaldehyde (CAS 81933-74-6)
- 2-Chloro-5-nitro-6-(piperidin-1-yl)pyrimidin-4-amine (CAS 405920-69-6)
- 3-Tosyl-3-azabicyclo[3.2.0]heptan-6-ol (CAS 663172-75-6)
- FAP (CAS 71115-83-8)
- 2-(((5-((3-Fluorophenyl)carbamoyl)-1,3,4-thiadiazol-2-yl)methyl)thio)acetic acid (CAS 1142209-68-4)
- 1,1'-(2,5-Dihydroxy-1,4-phenylene)bis(propan-1-one) (CAS 91497-44-8)
- 4-Chloro-2-isopropoxybenzaldehyde (CAS 1289153-46-3)
- Ethyl 2-methoxyquinoline-7-carboxylate (CAS 1374258-39-5)
- 2-(2-Chlorophenoxy)acetimidamide hydrochloride (CAS 58403-03-5)
- 4-(tert-Butyl)-5-cyclopropoxy-2-iodopyridine (CAS 1243398-42-6)
- Bisamide (CAS 123-26-2)
- Semaglutide impurity 40 (CAS CATO-C4X-222640)
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