4-(tert-Butyl)-N-(2-(4-nitrophenyl)-5,5-dioxido-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)benzamide CAS 449793-00-4
| CAS No. | 449793-00-4 |
| Molecular Formula | C22H22N4O5S |
| Molecular Weight | 454.50 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.
4-(tert-Butyl)-N-(2-(4-nitrophenyl)-5,5-dioxido-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)benzamide (CAS 449793-00-4), molecular formula C22H22N4O5S and molecular weight 454.50 g/mol, is a CATO reference standard with documented purity and traceability.
4-(tert-Butyl)-N-(2-(4-nitrophenyl)-5,5-dioxido-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)benzamide (C22H22N4O5S) contains a flavonoid core, 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), 4-(tert-Butyl)-N-(2-(4-nitrophenyl)-5,5-dioxido-2,6-dihydro-4H-thieno[3,4-c]pyrazol-3-yl)benzamide 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 | C22H22N4O5S |
| Molecular Weight | 454.50 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Recommended Standards
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- Carbenicillin Impurity 1 (Carbenicillin Phenyl Ester) (CAS 27025-49-6)
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- Ethyl 2-bromo-3-nitrobenzoate (CAS 31706-23-7)
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- 4-Methoxymethyl-2,3,5,6-tetrafluorobenzyl-d3 Alcohol (CAS 1386987-94-5)
- (6-Formylbenzo[d][1,3]dioxol-5-yl)boronic acid (CAS 94838-88-7)
- Pyrrolidine-1-carboxamide (CAS 4736-71-4)
- Tirzepatide Impurity 35 (CAS CATO-C4X-324035)
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