3-ethyloxadiazol-3-ium-5-olate CAS 5226-49-3
| CAS No. | 5226-49-3 |
| Molecular Formula | C4H9N2O2 |
| Molecular Weight | 117.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 117.13 g/mol gives 3-ethyloxadiazol-3-ium-5-olate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-ethyloxadiazol-3-ium-5-olate (CAS 5226-49-3), a certified reference material (molecular formula C4H9N2O2, MW 117.13 g/mol) for analytical method development and quality control.
Structurally, 3-ethyloxadiazol-3-ium-5-olate (C4H9N2O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.5, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 117.13 g/mol, it falls into the low-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 3-ethyloxadiazol-3-ium-5-olate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C4H9N2O2 |
| Molecular Weight | 117.13 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 | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 2-Thioxooxazolidin-4-one (CAS 2346-24-9)
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- 5-Amino-1,2,4-thiadiazol-3(2H)-one (CAS 59221-06-6)
- 6-Chloro-1,2-dihydrospiro[indole-3,3'-pyrrolidin]-2-one (CAS 1782634-38-1)
- n-(2-Bromo-5-chlorobenzyl)-2-methylbutan-2-amine (CAS 1480067-38-6)
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