2-Methoxy-4-methyl-5-(1-tosylpyrrolidin-2-yl)pyridine CAS 1352515-84-4
| CAS No. | 1352515-84-4 |
| Molecular Formula | C18H22N2O3S |
| Molecular Weight | 346.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-Methoxy-4-methyl-5-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352515-84-4), molecular formula C18H22N2O3S and molecular weight 346.44 g/mol, is a CATO reference standard with documented purity and traceability.
2-Methoxy-4-methyl-5-(1-tosylpyrrolidin-2-yl)pyridine (C18H22N2O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
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.) | 1991 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxy Standards
- 2-Methoxy-3-(1-tosylpiperidin-2-yl)pyridine (CAS 1352489-54-3)
- 2-Methoxy-5-(1-tosylpiperidin-2-yl)pyridine (CAS 1352537-40-6)
- 6-Methoxy-2-methyl-3-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352541-63-9)
- 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)
- 2-((2-Methoxy-5-methylphenyl)amino)-N-(thiazol-2-yl)thiazole-4-carboxamide (CAS 1170052-22-8)
- 3-Methoxy-N-(4-(2-((2-methoxyethyl)amino)-2-oxoethyl)phenyl)-1-methyl-1H-pyrazole-4-carboxamide (CAS 1207053-72-2)
- (E)-4-methoxy-2-(2-((((4-methylbenzyl)oxy)imino)methyl)-1H-pyrrol-1-yl)nicotinonitrile (CAS 339103-17-2)
Recommended Standards
- 2-Ethoxy-5-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352509-32-0)
- 6-Methyl-5-(1-tosylpiperidin-2-yl)pyridin-2(1H)-one (CAS 1352521-47-1)
- 2-Ethoxy-3-(1-tosylpyrrolidin-2-yl)pyridine (CAS 1352503-89-9)
- 3-(4-(4-(Dimethylamino)styryl)pyridin-1-ium-1-yl)propane-1-sulfonate (CAS 131032-72-9)
- 3-(3-(((tert-Butoxycarbonyl)amino)methyl)phenyl)propanoic acid (CAS 171663-00-6)
- Chloroprocaine Hydrochloride (CAS 3858-89-7)
- (1-tert-Butyl-1h-pyrazol-4-yl)methanesulfonyl chloride (CAS 1250222-25-3)
- 1-[4-Fluoro-2-(1-pyrrolidinyl)phenyl]ethanone (CAS 743444-59-9)
- Ruthenium(2+), bis(2,2'-bipyridine-N,N')(dipyrido[3,2-a:2',3'-c]phenazine-N4,N5)-, (OC-6-21)-, bis[hexafluorophosphate(1-)] (CAS 146441-73-8)
- 2-(2-(Methylsulfonyl)propan-2-yl)thiazole-5-carboxylic acid (CAS 2280920-92-3)
- 2,4,6-Triflluoro-3,5-bis(trimethylsilyl)benzoic acid (CAS 27602-36-4)
- Methyl 4-(((6-chloro-5-fluoro-1H-benzo[d]imidazol-2-yl)thio)methyl)benzoate (CAS 849235-73-0)
- 3-Fluoro-4-methyl-N-(thiazol-5-ylmethyl)aniline (CAS 1341918-69-1)
- A-18-F-NH2; Morphine Modulating Neuropeptide (CAS 99588-52-0)
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