| CAS No. | 449786-78-1 |
| Molecular Formula | C16H19N3O3S |
| Molecular Weight | 333.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures N-(5,5-Dioxido-2-(p-tolyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)isobutyramide 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.
N-(5,5-Dioxido-2-(p-tolyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)isobutyramide (CAS 449786-78-1), molecular formula C16H19N3O3S and molecular weight 333.41 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C16H19N3O3S, N-(5,5-Dioxido-2-(p-tolyl)-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)isobutyramide contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 333.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C16H19N3O3S |
| Molecular Weight | 333.41 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 | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |