5-(2,4-Dichlorophenyl)-1,3,4-oxadiazol-2-ol, 97% CAS 23767-45-5
| CAS No. | 23767-45-5 |
| Molecular Formula | C8H4Cl2N2O2 |
| Molecular Weight | 231.04 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 231.04 g/mol gives 5-(2,4-Dichlorophenyl)-1,3,4-oxadiazol-2-ol, 97% distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-(2,4-Dichlorophenyl)-1,3,4-oxadiazol-2-ol, 97% (CAS 23767-45-5) is a high-purity analytical reference standard with the molecular formula C8H4Cl2N2O2 and a molecular weight of 231.04 g/mol.
Based on its molecular formula C8H4Cl2N2O2, 5-(2,4-Dichlorophenyl)-1,3,4-oxadiazol-2-ol, 97% 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 231.04 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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 5-(2,4-Dichlorophenyl)-1,3,4-oxadiazol-2-ol, 97% 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 | C8H4Cl2N2O2 |
| Molecular Weight | 231.04 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorophenyl Standards
- 3-(3,4-Dichlorophenyl)dihydrofuran-2(3H)-one (CAS 103753-78-2)
- 3-(2,6-Dichlorophenyl)-2-methylacrylic acid (CAS 103753-79-3)
- 1-(2,6-Dichlorophenyl)cyclopropanecarboxylic Acid (CAS 1039931-24-2)
- 3-(2,6-Dichlorophenyl)-2-methylprop-2-enoic acid (CAS 1081758-62-4)
- 2-(2,4-Dichlorophenyl)cyclopropane-1-carboxylic acid (CAS 1157554-61-4)
- 2-(2,3-Dichlorophenyl)cyclopropane-1-carboxylic acid (CAS 1157698-55-9)
- 2-(3,5-Dichlorophenyl)cyclopropane-1-carboxylic acid (CAS 1183181-06-7)
- Methyl 2-(3,4-dichlorophenyl)acrylate (CAS 1254365-78-0)
Recommended Standards
- 4-Bromophenyl Glyoxal Hydrate (CAS 859775-25-0)
- 5,6-Dichloro-1H-benzimidazole-2-carboxylic acid (CAS 287730-14-7)
- 4-Bromo-7-methoxybenzo[d][1,3]dioxole (CAS 61535-22-6)
- 5-Bromo-2-(hydroxymethyl)benzoic acid (CAS 627909-55-1)
- (3-Fluorophenethyl)hydrazine (CAS 887577-92-6)
- 1-Benzyl 4-tert-butyl 2-methylpiperazine-1,4-dicarboxylate (CAS 502649-21-0)
- 4-[2-(2,4-Dichlorophenyl)-4-methyl-1,3-thiazol-5-yl]pyrimidin-2-amine (CAS 1382805-00-6)
- (3-Chloro-6-methoxypyridin-2-yl)boronic acid (CAS 1222092-98-9)
- 1-Methoxy-1-propene (CAS 7319-16-6)
- 2-(((3-Fluorobenzyl)oxy)methyl)pyrrolidine hydrochloride (CAS 1261233-90-2)
- 3-Cyclobutylisoxazole-5-carbaldehyde (CAS 121604-60-2)
- 4-(4-Chlorophenyl)-1,2,3-thiadiazole-5-carboxylic acid (CAS 1087605-48-8)
- Methyl 2-fluoro-5-sulfamoylbenzoate (CAS 1099052-48-8)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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