3-Cyclopropyl-1-((4-fluorophenyl)sulfonyl)-1H-pyrazole CAS 956624-57-0
| CAS No. | 956624-57-0 |
| Molecular Formula | C12H11FN2O2S |
| Molecular Weight | 266.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 3-Cyclopropyl-1-((4-fluorophenyl)sulfonyl)-1H-pyrazole is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
3-Cyclopropyl-1-((4-fluorophenyl)sulfonyl)-1H-pyrazole (CAS 956624-57-0), molecular formula C12H11FN2O2S and molecular weight 266.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Cyclopropyl-1-((4-fluorophenyl)sulfonyl)-1H-pyrazole (C12H11FN2O2S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 266.29 g/mol, it falls into the medium-molecular-weight range. 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-Cyclopropyl-1-((4-fluorophenyl)sulfonyl)-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 | C12H11FN2O2S |
| Molecular Weight | 266.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Cyclopropyl Standards
- 4-Cyclopropyl-1-(2-methylphenyl)-1,6-dihydro-7H-pyrazolo[3,4-d]pyridazin-7-one (CAS 1105197-37-2)
- 6-Cyclopropyl-1-(4-methylphenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1105198-46-6)
- N1-Cyclopropyl-N2-(2-(4-fluorophenoxy)ethyl)oxalamide (CAS 1208406-33-0)
- (2-(((5-Cyclopropyl-1,2,4-oxadiazol-3-yl)methyl)thio)-1-methyl-1h-imidazol-5-yl)methanol (CAS 1376310-20-1)
- 4-Cyclopropyl-2-(methylsulfonyl)-6-(trifluoromethyl)pyrimidine (CAS 1263285-93-3)
- 1-Cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acid (CAS 132235-01-9)
- N-Cyclopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazol-2-amine (CAS 1309981-19-8)
- 2-Cyclopropyl-6-(iodomethyl)tetrahydro-2H-pyran (CAS 1849204-12-1)
Recommended Standards
- 3-Benzyl-9-hydroxy-2-methyl-4h-pyrido[1,2-a]pyrimidin-4-one (CAS 70381-49-6)
- 3-Methyl-2,2-diphenylbutanoic acid (CAS 80743-47-1)
- 3-Benzyl-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 86-44-2)
- 4-(((1H-Indol-3-yl)methyl)amino)benzoic acid (CAS 74028-16-3)
- 4,4-Sulfonylbis(methylbenzene) (CAS 599-66-6)
- 4-(Bromomethyl)cyclohex-1-ene (CAS 34960-41-3)
- 3-(Bromomethyl)-4-chloro-1-methyl-1H-pyrazole (CAS 1256562-11-4)
- (R)-(6-Chloropyridin-2-yl)(phenyl)methanamine hydrochloride (CAS 1263094-80-9)
- 2-methyl-2-(pyridin-3-yl)propan-1-amine (CAS 1020087-85-7)
- 6-(2-(tert-Butoxy)ethoxy)picolinonitrile (CAS 1461704-72-2)
- Rasagiline impurity 55 (CAS CATO-C4X-191355)
- 2-(6-Chloropyridin-3-yl)-5,5-dimethyl-3,5-dihydro-4H-imidazol-4-one (CAS 2168754-24-1)
- 3-Fluoroisonicotinoyl chloride (CAS 903592-75-6)
- Semaglutide impurity 41 (CAS CATO-C4X-222641)
Why CATO?
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