| CAS No. | 957502-70-4 |
| Molecular Formula | C15H20N2O3S |
| Molecular Weight | 308.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3,5-Dimethyl-1-((3-methyl-4-propoxyphenyl)sulfonyl)-1H-pyrazole.
3,5-Dimethyl-1-((3-methyl-4-propoxyphenyl)sulfonyl)-1H-pyrazole (CAS 957502-70-4) is a high-purity analytical reference standard with the molecular formula C15H20N2O3S and a molecular weight of 308.40 g/mol.
Based on its molecular formula C15H20N2O3S, 3,5-Dimethyl-1-((3-methyl-4-propoxyphenyl)sulfonyl)-1H-pyrazole contains a nitrogen-containing heterocyclic scaffold, 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 308.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 3,5-Dimethyl-1-((3-methyl-4-propoxyphenyl)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.
| Molecular Formula | C15H20N2O3S |
| Molecular Weight | 308.40 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |