3-(1-ethyl-1H-pyrazol-4-yl)-7-oxa-2-azaspiro[3.5]nonan-1-one CAS 2044714-43-2
| CAS No. | 2044714-43-2 |
| Molecular Formula | C12H17N3O2 |
| Molecular Weight | 235.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 235.28 g/mol gives 3-(1-ethyl-1H-pyrazol-4-yl)-7-oxa-2-azaspiro[3.5]nonan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 3-(1-ethyl-1H-pyrazol-4-yl)-7-oxa-2-azaspiro[3.5]nonan-1-one (CAS 2044714-43-2), a certified reference material (molecular formula C12H17N3O2, MW 235.28 g/mol) for analytical method development and quality control.
3-(1-ethyl-1H-pyrazol-4-yl)-7-oxa-2-azaspiro[3.5]nonan-1-one (C12H17N3O2) 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 3-(1-ethyl-1H-pyrazol-4-yl)-7-oxa-2-azaspiro[3.5]nonan-1-one 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 | C12H17N3O2 |
| Molecular Weight | 235.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Nitrogen Atoms | 3 |
Recommended Standards
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- 26472-00-4 Methylcyclopentadiene dimer 4,7-Methano-1H-indene, 3a,4,7,7a-tetrahydrodimethyl- 4,7-Methanoindene, 3a,4,7,7a-tetrahydrodimethyl- Methylcyclopentadiene Bis(methylcyclopentadiene) Dimethyldicyclopentadiene EINECS 247-724-5 3a,4,7,7a-Tetrahydrodimethyl-4,7-methanoindene 3a,4,7,7a-Tetrahydrodimethyl-4,7-methano-1H-indene EC 247-724-5 (CAS 26472-00-4)
- Semaglutide impurity 250 (CAS CATO-C4X-2226250)
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