3-(Ethylsulfonyl)-4-(3-nitrophenyl)-1H-pyrazole CAS 1707747-14-5
| CAS No. | 1707747-14-5 |
| Molecular Formula | C11H11N3O4S |
| Molecular Weight | 281.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-(Ethylsulfonyl)-4-(3-nitrophenyl)-1H-pyrazole.
3-(Ethylsulfonyl)-4-(3-nitrophenyl)-1H-pyrazole (CAS 1707747-14-5), molecular formula C11H11N3O4S and molecular weight 281.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 3-(Ethylsulfonyl)-4-(3-nitrophenyl)-1H-pyrazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 281.29 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.
CATO manufactures 3-(Ethylsulfonyl)-4-(3-nitrophenyl)-1H-pyrazole 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 | C11H11N3O4S |
| Molecular Weight | 281.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Ethylsulfonyl Standards
- 4-(Ethylsulfonyl)-3-(4-nitrophenyl)-1H-pyrazole (CAS 1708159-44-7)
- 4-(Ethylsulfonyl)-3-(3-nitrophenyl)-1H-pyrazole (CAS 1710193-67-1)
- 5-(Ethylsulfonyl)-4-(3-fluorophenyl)pyrimidin-2-amine (CAS 1707379-62-1)
- 5-(Ethylsulfonyl)-4-(2-fluorophenyl)pyrimidin-2-amine (CAS 1708179-40-1)
- 5-(Ethylsulfonyl)-4-(4-fluorophenyl)pyrimidin-2-amine (CAS 1708269-60-6)
- 4-(6-(Ethylsulfonyl)-2,6-diazaspiro[3.3]Heptan-2-yl)aniline (CAS 2306272-92-2)
- 3-(Ethylsulfonyl)-2-(4-nitrophenyl)-1H-pyrrole (CAS 1708269-42-4)
- 5-(Ethylsulfonyl)-4-(m-tolyl)thiazol-2-amine (CAS 1707394-06-6)
Recommended Standards
- 3-(N-Methyl-N-phenylsulfamoyl)-1H-pyrazole-4-carboxylic acid (CAS 155144-45-9)
- (R)-3-((1H-Purin-6-yl)thio)-2-acetamidopropanoic acid (CAS 136039-99-1)
- Methyl 1-tosyl-1H-1,2,4-triazole-3-carboxylate (CAS 1346809-32-2)
- 3-(1-(5-Methylisoxazole-4-carbonyl)azetidin-3-yl)thiazolidine-2,4-dione (CAS 1798491-00-5)
- 3-Hydroxy-2,2,4-trimethylvaleric Acid Ethyl Ester (CAS 7403-65-8)
- N-[[1-(Cyclohexylmethyl)-1H-indazol-3-yl]carbonyl]-3-methyl-L-valine (CAS 1185889-12-6)
- Dinoseb Acetate (CAS 2813-95-8)
- Acetic Acid-d4 (CAS 1186-52-3)
- (E)-3,5-dimethyl-4-(phenyldiazenyl)-1h-pyrazole (CAS 1809102-39-3)
- 4-cyanobenzylamine (CAS 10406-25-4)
- 1-(Bromomethyl)-4-ethoxybenzene (CAS 2606-57-7)
- ((3R,4S)-4-phenylpyrrolidin-3-yl)methanol (CAS 848307-24-4)
- 4-(3-Methoxyphenyl)-5-methyl-4H-1,2,4-triazole-3-thiol (CAS 669755-26-4)
- Exenatide (CAS 141758-74-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com