3-Acetyl-5-(benzo[d]oxazol-2-yl)-1,3,4-oxadiazol-2(3H)-one CAS 78620-22-1
| CAS No. | 78620-22-1 |
| Molecular Formula | C11H7N3O4 |
| Molecular Weight | 245.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Acetyl-5-(benzo[d]oxazol-2-yl)-1,3,4-oxadiazol-2(3H)-one (CAS 78620-22-1) is a high-purity analytical reference standard with the molecular formula C11H7N3O4 and a molecular weight of 245.19 g/mol.
Structurally, 3-Acetyl-5-(benzo[d]oxazol-2-yl)-1,3,4-oxadiazol-2(3H)-one (C11H7N3O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 245.19 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-Acetyl-5-(benzo[d]oxazol-2-yl)-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 | C11H7N3O4 |
| Molecular Weight | 245.19 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 3 |
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Recommended Standards
- 2-(4-Nitrophenyl)pyrimidine-5-carboxylic acid (CAS 928714-08-3)
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- 2-(3-Nitrophenyl)pyrimidine-5-carboxylic acid (CAS 928707-76-0)
- 4-Nitrophenyl pyrazine-2-carboxylate (CAS 20088-23-7)
- 2,2,6,7-Tetramethyl-2,3-dihydrobenzofuran-5-carbaldehyde (CAS 861113-59-9)
- 2-((tert-Butoxycarbonyl)amino)bicyclo[2.2.2]octane-2-carboxylic acid (CAS 1858455-72-7)
- 2-Amino-3-fluoroisonicotinic acid (CAS 1256809-45-6)
- ((1,4-Phenylenebis(dimethylsilanediyl))bis(2,1-phenylene))dimethanol (CAS 1266252-11-2)
- Bumetanide Impurity 52 (CAS CATO-C4X-198652)
- rel-(3S,4R)-1,3,4,5-Tetrahydroxypentan-2-one (CAS 5962-29-8)
- tert-Butyl (2R,4S)-4-amino-2-methylpiperidine-1-carboxylate (CAS 1932370-65-4)
- 4-Chloro-6-(difluoromethyl)-3-(trifluoromethyl)picolinic acid (CAS 1805370-13-1)
- 3-(6,7-Dihydro-4h-pyrano[4,3-d]thiazol-2-yl)propan-1-amine (CAS 1249636-86-9)
- D-[Ser]11-Semaglutide (CAS CATO-CPTD788629)
Why CATO?
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