3-(4-Bromophenyl)-5-(6-chloropyridin-3-yl)-1,2,4-oxadiazole CAS 1707576-17-7
| CAS No. | 1707576-17-7 |
| Molecular Formula | C13H7BrClN3O |
| Molecular Weight | 336.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(4-Bromophenyl)-5-(6-chloropyridin-3-yl)-1,2,4-oxadiazole is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(4-Bromophenyl)-5-(6-chloropyridin-3-yl)-1,2,4-oxadiazole (CAS 1707576-17-7), molecular formula C13H7BrClN3O and molecular weight 336.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H7BrClN3O, 3-(4-Bromophenyl)-5-(6-chloropyridin-3-yl)-1,2,4-oxadiazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 336.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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-(4-Bromophenyl)-5-(6-chloropyridin-3-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 | C13H7BrClN3O |
| Molecular Weight | 336.57 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 3 |
Related Bromophenyl Standards
- 2-(2-Bromophenyl)-5-chloro-4H-benzo[d][1,3]oxazin-4-one (CAS 1234707-32-4)
- 3-(2-Bromophenyl)-5-(6-chloropyridin-3-yl)-1,2,4-oxadiazole (CAS 1707582-27-1)
- 3-(2-Bromophenyl)-5-(2-chloropyridin-4-yl)-1,2,4-oxadiazole (CAS 1710344-61-8)
- 2-(2-Bromophenyl)-8-chloro-4H-benzo[d][1,3]oxazin-4-one (CAS 859150-96-2)
- (E)-3-(3-bromophenyl)-N-(4-chlorophenyl)acrylamide (CAS 331462-19-2)
- N-(3-Bromophenyl)-3-(4-chlorophenyl)acrylamide (CAS 304672-82-0)
- (E)-3-((4-bromophenyl)amino)-1-(2,5-dimethylthiophen-3-yl)prop-2-en-1-one (CAS 860644-76-4)
- N-(2-((4-bromophenyl)thio)ethyl)benzamide (CAS 338955-66-1)
Recommended Standards
- 5-(2-Hexyldecyl)thiophene-2-carbaldehyde (CAS 1363332-57-3)
- 2-Amino-1-bromo-3-chloroanthracene-9,10-dione (CAS 117-01-1)
- 2-(2-(5-Bromofuran-2-yl)-6-chloroimidazo[1,2-a]pyridin-3-yl)acetonitrile (CAS 88594-33-6)
- 2-((2-Bromopyridin-3-yl)oxy)-3-chloroquinoxaline (CAS 1065484-71-0)
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- 4-Methyl-1-[2-(2-piperidinyl)ethyl]piperidinedihydrochloride (CAS 1219980-69-4)
- 5-(1,1-Dimethylethyl) 6-ethyl-4,6-dihydro-1-methylpyrrolo[3,4-c]pyrazole-3,5(1H)-dicarboxylate (CAS 2792143-86-1)
- 2-Amino-3-(difluoromethyl)isonicotinonitrile (CAS 1806761-65-8)
- N-(1-Oxobutyl)-DL-alanine (CAS 59875-04-6)
- Bicyclo[3.2.2]Nonane-1,5-diyldimethanol (CAS 25811-59-0)
- 5-Cyano-n'-hydroxypyridine-2-carboximidamide (CAS 453565-48-5)
- 2-(3,5-Dimethylphenoxy)propanoyl chloride (CAS 81866-01-5)
- (3-Chloro-6-methylpyridin-2-yl)methanamine (CAS 1060810-05-0)
- D-Val23-Tirzepatide (CAS CATO-CPTD788911)
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