3-(5-Chloro-2-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one CAS 64890-66-0
| CAS No. | 64890-66-0 |
| Molecular Formula | C9H7ClN2O3 |
| Molecular Weight | 226.62 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-(5-Chloro-2-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-(5-Chloro-2-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one (CAS 64890-66-0) is a high-purity analytical reference standard with the molecular formula C9H7ClN2O3 and a molecular weight of 226.62 g/mol.
Based on its molecular formula C9H7ClN2O3, 3-(5-Chloro-2-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one 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 226.62 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.
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 3-(5-Chloro-2-methoxyphenyl)-1,3,4-oxadiazol-2(3H)-one 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 | C9H7ClN2O3 |
| Molecular Weight | 226.62 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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 methanol, ethanol, DMSO |
| 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.) | 1975 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- methyl 6-chloro-2-((4-methoxybenzyl)amino)nicotinate (CAS 1356353-33-7)
- 3-Bromo-2,4-dichloro-6-fluorobenzaldehyde (CAS 2586125-78-0)
- 1-Methyl-3-(pyrimidin-4-ylamino)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2(1H)-one (CAS 1346672-60-3)
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