3-Amino-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-benzenesulfonamide CAS 379254-54-3
| CAS No. | 379254-54-3 |
| Molecular Formula | C17H18N4O3S |
| Molecular Weight | 358.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Amino-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-benzenesulfonamide is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Amino-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-benzenesulfonamide (CAS 379254-54-3), molecular formula C17H18N4O3S and molecular weight 358.41 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 3-Amino-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-benzenesulfonamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 358.41 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 3-Amino-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)-benzenesulfonamide 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 | C17H18N4O3S |
| Molecular Weight | 358.41 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-(tert-Butyl)-4-(2,6-dimethoxy-3,5-dimethylphenyl)-2,3-dihydrobenzo[d][1,3]oxaphosphole (CAS 2414245-22-8)
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- 2-[4-(4-Fluorophenyl)piperazino]-4-phenylnicotinonitrile (CAS 860786-28-3)
- 4-(3,4-Dimethyl-2,5-dioxo-3-phenylpyrrolidin-1-yl)benzenesulfonamide (CAS 28103-55-1)
- Ethyl 5-(3-bromophenyl)-1H-pyrazole-3-carboxylate (CAS 1326811-82-8)
- 3-Chloro-N-[5-(5-(trifluoromethyl)pyridin-2-yl)--[1,2,4]oxadiazol-3-ylmethyl]benzamide (CAS 1311278-49-5)
- (E)-4-((4-(azepan-1-ylsulfonyl)phenyl)amino)-4-oxobut-2-enoic acid (CAS 314284-80-5)
- Entecavir Impurity 84 (CAS CATO-C4X-107784)
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- Methyl 2-(6-hydroxy-7-methylbenzofuran-3-yl)acetate (CAS 1380390-17-9)
- 1,2-Bis(perfluorophenyl)ethane-1,2-dione (CAS 19555-07-8)
- Peptide Impurity 12 (CAS CATO-CPTD788812)
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