1-Isopropyl-N,N-bis(4-methoxybenzyl)-1H-pyrazole-3-sulfonamide CAS 2281769-09-1
| CAS No. | 2281769-09-1 |
| Molecular Formula | C22H27N3O4S |
| Molecular Weight | 429.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Isopropyl-N,N-bis(4-methoxybenzyl)-1H-pyrazole-3-sulfonamide (CAS 2281769-09-1) is a high-purity analytical reference standard with the molecular formula C22H27N3O4S and a molecular weight of 429.53 g/mol.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 1-Isopropyl-N,N-bis(4-methoxybenzyl)-1H-pyrazole-3-sulfonamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 429.53 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 1-Isopropyl-N,N-bis(4-methoxybenzyl)-1H-pyrazole-3-sulfonamide 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 | C22H27N3O4S |
| Molecular Weight | 429.53 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Isopropyl Standards
- Isopropyl 2-(((Z)-4-((1R,2R,3R,5R)-5-chloro-2-((S,E)-3-cyclohexyl-3-hydroxyprop-1-en-1-yl)-3-hydroxycyclopentyl)but-2-en-1-yl)oxy)acetate (CAS 154927-31-8)
- 1-Isopropyl-3-methyl-6-((5-methyl-3-(trifluoromethyl)-1H-pyrazol-4-yl)methyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-5-carboxylic acid (CAS 733810-92-9)
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- (S)-2-((9-Isopropyl-6-((4-(pyridin-2-yl)benzyl)amino)-9H-purin-2-yl)amino)butan-1-ol (CAS 1084893-56-0)
- 3-Isopropyl-8,9-dimethoxy-5-(octylthio)imidazo[1,2-c]quinazolin-2(3H)-one (CAS 1024591-25-0)
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Recommended Standards
- {1-methyl-5-[(4-methylphenyl)sulfanyl]-3-phenyl-1H-pyrazol-4-yl}methyl N-phenylcarbamate (CAS 318247-44-8)
- 2-(3-Methoxy-4-(octyloxy)benzylidene)-6-methyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 617694-34-5)
- (R)-2-(((4-((2,2-Dimethyl-1,3-dioxan-5-yl)methoxy)-3,5-dimethylpyridin-2-yl)methyl)sulfinyl)-1H-benzo[d]imidazole (CAS 955095-45-1)
- 4-(4-(Benzyloxy)phenyl)-6-methyl-N-phenyl-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carboxamide (CAS 341965-97-7)
- 4-[2-(2-Chlorophenoxy)ethyl]piperidinehydrochloride (CAS 1219957-65-9)
- Triamcinolone Diacetate (CAS 67-78-7)
- 4-fluoropyridazin-3-amine (CAS 2386104-36-3)
- 4-Chloro-6-[2-(1-isopropyl-piperidin-2-yl)-ethyl]-pyrimidine (CAS 1316218-56-0)
- 2-Chloro-N-(4-chlorobutyl)-N-ethylquinazolin-4-amine (CAS 84347-15-9)
- Arsenic disulfide (CAS 1303-32-8)
- tert-Butyl 4-(1-fluoro-2-hydroxyethyl)piperidine-1-carboxylate (CAS 1781022-36-3)
- 1-Phenyl-2,3,4,5-tetrahydro-(1H)-3-benzazepine-7,8-diolhydrobromide (CAS 67287-49-4)
- Methyl 5-(hydroxymethyl)pyrrolidine-2-carboxylate (CAS 2117745-64-7)
- Tirzepatide Impurity 24 X TFA Salt (CAS CATO-C4X-324024)
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