1-(2,4-Dimethoxy-3-methylbenzenesulfinyl)-4-(pyridin-2-yl)piperazine CAS 338981-93-4
| CAS No. | 338981-93-4 |
| Molecular Formula | C18H23N3O3S |
| Molecular Weight | 361.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-(2,4-Dimethoxy-3-methylbenzenesulfinyl)-4-(pyridin-2-yl)piperazine (CAS 338981-93-4), molecular formula C18H23N3O3S and molecular weight 361.46 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H23N3O3S, 1-(2,4-Dimethoxy-3-methylbenzenesulfinyl)-4-(pyridin-2-yl)piperazine contains a steroid core, 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 361.46 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO manufactures 1-(2,4-Dimethoxy-3-methylbenzenesulfinyl)-4-(pyridin-2-yl)piperazine 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 | C18H23N3O3S |
| Molecular Weight | 361.46 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (S)-4-Phenyl-2-(2-((S)-p-tolylsulfinyl)phenyl)-4,5-dihydrooxazole (CAS 2509221-06-9)
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- 3-(1,5-Diphenyl-1H-pyrazol-4-yl)-4-ethyl-5-(methylsulfanyl)-4H-1,2,4-triazole (CAS 956964-51-5)
- (R)-Uniconazole (CAS 83657-16-3)
- (R)-1-(3,4-difluorophenyl)propan-1-amine (CAS 847448-32-2)
- beta-Zearalanol (CAS 42422-68-4)
- Ethyl 3-(3-tert-Butoxy-3-oxopropylamino)-2-(N-boc-amino)-3-oxopropanoate (CAS 1076200-11-7)
- 4-Bromo-3-chloro-1-methyl-1H-pyrazole (CAS 1350323-83-9)
- 2-chloro-4-(1H-pyrrol-1-yl)aniline (CAS 1269532-31-1)
- 2-(4-(2-Amino-3-cyano-7,7-dimethyl-5-oxo-5,6,7,8-tetrahydro-4H-chromen-4-yl)phenoxy)-N-phenylacetamide (CAS 332040-71-8)
- 5-Chloro-1-[(3,4-dichlorophenyl)methyl]-N,N-diethyl-6-oxo-1,6-dihydropyridine-3-carboxamide (CAS 339008-99-0)
- 2-Bromo-3-(difluoromethyl)-6-methyl-4-(trifluoromethyl)pyridine (CAS 1804850-75-6)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
Why CATO?
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