4,6-Dimethyl-2-(4-methylbenzenesulfinyl)-3-(4-methylbenzenesulfonyl)pyridine CAS 477762-78-0
| CAS No. | 477762-78-0 |
| Molecular Formula | C21H21NO3S2 |
| Molecular Weight | 399.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4,6-Dimethyl-2-(4-methylbenzenesulfinyl)-3-(4-methylbenzenesulfonyl)pyridine (C21H21NO3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 399.53 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
4,6-Dimethyl-2-(4-methylbenzenesulfinyl)-3-(4-methylbenzenesulfonyl)pyridine (CAS 477762-78-0), molecular formula C21H21NO3S2 and molecular weight 399.53 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C21H21NO3S2 |
| Molecular Weight | 399.53 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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- Pinonic Acid (CAS 473-72-3)
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- 1-Methyl-4-nitro-1H-pyrazole hydrochloride (CAS 1881320-90-6)
- Protein Kinase C? Peptide Substrate (CAS 120253-69-2)
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