n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-4-nitrobenzenesulfonamide CAS 301332-17-2
| CAS No. | 301332-17-2 |
| Molecular Formula | C17H16N4O5S |
| Molecular Weight | 388.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-4-nitrobenzenesulfonamide (CAS 301332-17-2), molecular formula C17H16N4O5S and molecular weight 388.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H16N4O5S, n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-4-nitrobenzenesulfonamide contains a flavonoid core, 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 388.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures n-(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1h-pyrazol-4-yl)-4-nitrobenzenesulfonamide 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 | C17H16N4O5S |
| Molecular Weight | 388.40 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related n Standards
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Recommended Standards
- Dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin, 4-(2-methylpropoxy)-, (11bR)- (CAS 503544-55-6)
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- 3,7-Dihydro-3-[3-(3-hydroxyphenyl)-2-propyn-1-yl]-1,7-dimethyl-8-(methylsulfonyl)-1H-purine-2,6-dione (CAS 2093393-05-4)
- 7-(Benzyloxy)-5-methoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 111922-60-2)
- 2-(Pyridin-2-yl)-1-(pyridin-3-yl)ethan-1-one (CAS 59576-33-9)
- 4-Cyano-5-(difluoromethyl)-3-iodopicolinic acid (CAS 1806980-55-1)
- Ethyl 2-phenyl-1H-indole-3-carboxylate (CAS 36779-16-5)
- 2-(4-Bromo-2-methylphenoxy)-1-(piperidin-1-yl)ethan-1-one (CAS 424794-79-6)
- Methyl 3-nitro-4-[4-(2,4,6-trimethylbenzenesulfonyl)piperazin-1-yl]benzoate (CAS 478246-60-5)
- 1,4-Di(furan-2-yl)butane-1,4-dione (CAS 22111-14-4)
- 1-(4-Bromophenyl)-3-({4-[(4-{[3-(4-bromophenyl)-3-oxopropyl]sulfanyl}phenyl)sulfanyl]phenyl}sulfanyl)propan-1-one (CAS 882748-83-6)
- 2-Chloro-4-cyclohexylthiazole (CAS 1340056-61-2)
- CAS 2332707-65-8 (CAS 2332707-65-8)
- Des-Ser34-Gly33Tirzepatide (CAS CATO-CPTD788941)
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