4H-1,2,4-oxadiazol-5-one CAS 36193-60-9
| CAS No. | 36193-60-9 |
| Molecular Formula | C2H2N2O2 |
| Molecular Weight | 86.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4H-1,2,4-oxadiazol-5-one (CAS 36193-60-9), molecular formula C2H2N2O2 and molecular weight 86.05 g/mol, is a CATO reference standard with documented purity and traceability.
4H-1,2,4-oxadiazol-5-one (C2H2N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 4H-1,2,4-oxadiazol-5-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 | C2H2N2O2 |
| Molecular Weight | 86.05 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 2 |
Related H Standards
- 1,3,4-Oxadiazol-2(3H)-one (CAS 51517-09-0)
- 1,2,4-Oxadiazol-3-amine (CAS 39512-64-6)
- 1,2,4-Oxadiazol-5-amine (CAS 72212-97-6)
- 1,2,5-oxadiazol-3-amine (CAS 73147-56-5)
- 4-Methyl-1,2,5-oxadiazol-3-amine (CAS 17647-70-0)
- (1,2,4-Oxadiazol-3-yl)methanamine (CAS 766500-04-3)
- (1,2,4-Oxadiazol-5-yl)methanamine (CAS 258526-20-4)
- (1,2,5-Oxadiazol-3-yl)methanamine (CAS 857791-14-1)
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- 2-(4-(2,3-Dimethylphenyl)piperazin-1-yl)ethan-1-amine (CAS 890141-61-4)
- 4-(Aminomethyl)piperidine-1-carboxylic acid (CAS 725211-61-0)
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