4-(4,6-Dimethyl-3-tosylpyridin-2-yl)morpholine CAS 339103-23-0
| CAS No. | 339103-23-0 |
| Molecular Formula | C18H22N2O3S |
| Molecular Weight | 346.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(4,6-Dimethyl-3-tosylpyridin-2-yl)morpholine (CAS 339103-23-0), molecular formula C18H22N2O3S and molecular weight 346.44 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H22N2O3S, 4-(4,6-Dimethyl-3-tosylpyridin-2-yl)morpholine 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 346.44 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H22N2O3S |
| Molecular Weight | 346.44 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 | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 3-Methoxy-N-(2-morpholino-2-(thiophen-3-yl)ethyl)benzamide (CAS 946272-44-2)
- 4-Methoxy-N-(2-morpholino-2-(thiophen-3-yl)ethyl)benzamide (CAS 946327-70-4)
- 3-((4-Fluorophenyl)thio)-N-(2-methylbenzo[d]thiazol-6-yl)propanamide (CAS 896350-56-4)
- 5-(2-Butoxybenzylidene)-2-morpholinothiazol-4(5H)-one (CAS 383895-46-3)
- (4-Fluorophenyl)(3-methyl-1-benzofuran-2-yl)methanone (CAS 303145-26-8)
- (5-Bromo-2-fluorobenzyl)hydrazine (CAS 1016699-41-4)
- N-(2,5-Dimethylphenyl)-2-(8-methyl-2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)acetamide (CAS 730949-39-0)
- Valsartan Impurity 46 (CAS 138402-33-2)
- S-(N-Methylcarbamoyl)glutathione (CAS 38126-73-7)
- Roxadustat Impurity 43 (CAS CATO-C4X-221343)
- 2-Amino-N-isopropyl-N-(2-oxo-2-(thiophen-2-yl)ethyl)acetamide (CAS 1353952-41-6)
- 5-(Furan-2-yl)oxazole (CAS 70380-67-5)
- Tert-butyl isobutyl(piperidin-4-yl)carbamate (CAS 1308647-07-5)
- Semaglutide impurity 88 (CAS CATO-C4X-222688)
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