5-Cyclopropoxy-4-(methylsulfonamido)pyridine-3-sulfonamide CAS 1243466-20-7
| CAS No. | 1243466-20-7 |
| Molecular Formula | C9H13N3O5S2 |
| Molecular Weight | 307.35 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.
5-Cyclopropoxy-4-(methylsulfonamido)pyridine-3-sulfonamide (CAS 1243466-20-7), molecular formula C9H13N3O5S2 and molecular weight 307.35 g/mol, is a CATO reference standard with documented purity and traceability.
5-Cyclopropoxy-4-(methylsulfonamido)pyridine-3-sulfonamide (C9H13N3O5S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone 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. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 5-Cyclopropoxy-4-(methylsulfonamido)pyridine-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.
Physical & Chemical Properties
| Molecular Formula | C9H13N3O5S2 |
| Molecular Weight | 307.35 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Cyclopropoxy Standards
- 4-Cyclopropoxy-5-(methylsulfonamido)pyridine-2-sulfonamide (CAS 1243313-02-1)
- 4-Cyclopropoxy-5-(methylsulfonamido)pyridine-3-sulfonamide (CAS 1243319-65-4)
- 3-Cyclopropoxy-4-(methylsulfonamido)pyridine-2-sulfonamide (CAS 1243349-23-6)
- 3-Cyclopropoxy-5-(methylsulfonamido)pyridine-4-sulfonamide (CAS 1243349-44-1)
- 5-Cyclopropoxy-2-(methylsulfonamido)pyridine-4-sulfonamide (CAS 1243349-59-8)
- 5-Cyclopropoxy-3-(methylsulfonamido)pyridine-2-sulfonamide (CAS 1243361-54-7)
- 3-Cyclopropoxy-5-(methylsulfonamido)pyridine-2-sulfonamide (CAS 1243408-31-2)
- 5-Cyclopropoxy-6-(methylsulfonamido)pyridine-2-sulfonamide (CAS 1243451-41-3)
Recommended Standards
- 4-Cyclopropoxy-6-(methylsulfonamido)pyridine-3-sulfonamide (CAS 1243458-78-7)
- 4-Cyclopropoxy-3-(methylsulfonamido)pyridine-2-sulfonamide (CAS 1243471-54-6)
- ethyl 7-cyclopropyl-2-phenylpyraZolo[1,5-a]pyrimidine-6-carboxylate (CAS 1245808-03-0)
- 2-(8-Methoxy-4,4,6-trimethyl-2-oxo-5,6-dihydro-4H-pyrrolo[3,2,1-ij]quinolin-1(2H)-ylidene)malononitrile (CAS 1256628-08-6)
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