1,3-dimethyl-1H-pyrazole-4-sulfonamide CAS 88398-53-2
| CAS No. | 88398-53-2 |
| Molecular Formula | C5H13N3O2S |
| Molecular Weight | 179.24 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.
1,3-dimethyl-1H-pyrazole-4-sulfonamide (CAS 88398-53-2), molecular formula C5H13N3O2S and molecular weight 179.24 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1,3-dimethyl-1H-pyrazole-4-sulfonamide (C5H13N3O2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 1.0, corresponding to approximately 1 ring(s) or double-bond equivalent(s). With a molecular weight of 179.24 g/mol, it falls into the medium-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.
CATO manufactures 1,3-dimethyl-1H-pyrazole-4-sulfonamide 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 | C5H13N3O2S |
| Molecular Weight | 179.24 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) | 1.0 |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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