N-(4-((3,5-Dimethyl-1H-pyrazol-1-yl)sulfonyl)phenyl)-3-nitrobenzamide CAS 89565-54-8
| CAS No. | 89565-54-8 |
| Molecular Formula | C18H16N4O5S |
| Molecular Weight | 400.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 400.41 g/mol gives N-(4-((3,5-Dimethyl-1H-pyrazol-1-yl)sulfonyl)phenyl)-3-nitrobenzamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(4-((3,5-Dimethyl-1H-pyrazol-1-yl)sulfonyl)phenyl)-3-nitrobenzamide (CAS 89565-54-8), molecular formula C18H16N4O5S and molecular weight 400.41 g/mol, is a CATO reference standard with documented purity and traceability.
N-(4-((3,5-Dimethyl-1H-pyrazol-1-yl)sulfonyl)phenyl)-3-nitrobenzamide (C18H16N4O5S) 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H16N4O5S |
| Molecular Weight | 400.41 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
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Recommended Standards
- N-(2,5-dimethoxyphenyl)-3-(2-nitrophenoxy)thiophene-2-carboxamide (CAS 252027-02-4)
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- 5,5'-(Benzo[c][1,2,5]thiadiazole-4,7-diyl)diisophthalaldehyde (CAS 2379454-98-3)
- tert-Butyl N-(5-acetyl-4-methyl-1,3-thiazol-2-yl)-N-[3-(trifluoromethyl)phenyl]carbamate (CAS 1208410-26-7)
- BMS-856 (CAS 863382-83-6)
- 2-(Boc-amino)-6-bromopyridine (CAS 344331-90-4)
- tert-Butyl 7-iodo-2,3-dihydro-1H-imidazo[1,2-b]pyrazole-1-carboxylate (CAS 2680801-01-6)
- 6-Bromo-2,3-dichloroquinoxaline (CAS 108229-82-9)
- 3-Chloro-5-methoxy-4-methyl-1H-pyrrolo[2,3-b]pyridine (CAS 1190313-30-4)
- (2-Chloro-5-fluoropyrimidin-4-yl)-(3,4-dichlorophenyl)amine (CAS 575473-57-3)
- Ethyl 2-(4-aminopyridin-3-yl)acetate (CAS 1697158-56-7)
- N1-(3-(2-Oxopyrrolidin-1-yl)phenyl)-N2-((tetrahydrofuran-2-yl)methyl)oxalamide (CAS 941890-44-4)
- 4-(Thiophen-3-yl)-1,8-dioxa-4,11-diazaspiro[5.6]dodecan-3-one (CAS 1422133-94-5)
- Semaglutide Impurity 151 xTFA (CAS CATO-C4X-2226151)
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