spiro[5,7-dihydropyrazolo[5,1-b][1,3]oxazine-6,1'-cyclopropane]-3-sulfonamide CAS 2238821-17-3
| CAS No. | 2238821-17-3 |
| Molecular Formula | C8H15N3O3S |
| Molecular Weight | 233.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), spiro[5,7-dihydropyrazolo[5,1-b][1,3]oxazine-6,1'-cyclopropane]-3-sulfonamide 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.
spiro[5,7-dihydropyrazolo[5,1-b][1,3]oxazine-6,1'-cyclopropane]-3-sulfonamide (CAS 2238821-17-3), molecular formula C8H15N3O3S and molecular weight 233.29 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H15N3O3S, spiro[5,7-dihydropyrazolo[5,1-b][1,3]oxazine-6,1'-cyclopropane]-3-sulfonamide contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 233.29 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C8H15N3O3S |
| Molecular Weight | 233.29 g/mol |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Why CATO?
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