4,6-Dimethyl-2-(pentyloxy)-3-(o-tolylsulfonyl)pyridine CAS 306978-45-0
| CAS No. | 306978-45-0 |
| Molecular Formula | C19H25NO3S |
| Molecular Weight | 347.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4,6-Dimethyl-2-(pentyloxy)-3-(o-tolylsulfonyl)pyridine is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4,6-Dimethyl-2-(pentyloxy)-3-(o-tolylsulfonyl)pyridine (CAS 306978-45-0), molecular formula C19H25NO3S and molecular weight 347.47 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4,6-Dimethyl-2-(pentyloxy)-3-(o-tolylsulfonyl)pyridine (C19H25NO3S) 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 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 347.47 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 4,6-Dimethyl-2-(pentyloxy)-3-(o-tolylsulfonyl)pyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C19H25NO3S |
| Molecular Weight | 347.47 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- 4,6-Dimethyl-3-(2-methylbenzenesulfonyl)-2-(3-methylbutoxy)pyridine (CAS 306978-48-3)
- 1-(2-(2-(3,5-Dimethyl-1H-pyrazol-1-yl)thiazol-4-yl)ethyl)-3-(thiophen-2-yl)urea (CAS 1421463-69-5)
- 2,5-Dimethyl-N-[3-(2-phenoxyethoxy)benzyl]aniline (CAS 1040687-78-2)
- 1-(4-(((3,5-Dimethyl-1-phenyl-1H-pyrazol-4-yl)methyl)amino)phenyl)butan-1-one (CAS 1091670-52-8)
- N-((1,3-Dimethyl-1H-pyrazol-4-yl)methyl)-N-methyl-3,3-diphenylpropanamide (CAS 1170626-06-8)
- 3,8-Dimethyl-3-(4-methylpent-3-en-1-yl)-3,11-dihydropyrano[3,2-a]carbazol-9-ol (CAS 144606-95-1)
- 1-(2,4-Dimethyl-5-(4-(tetrahydrofuran-2-carbonyl)piperazine-1-carbonyl)-1H-pyrrol-3-yl)ethanone (CAS 1197834-97-1)
- 6,7-Dimethyl 5-(4-methoxyphenyl)-1H,3H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylate (CAS 339113-35-8)
Recommended Standards
- 3-(3,5-Dimethylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 338412-22-9)
- 3-(2,6-Dimethylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 400089-41-0)
- N-[1-(2-MEthoxybenzyl)-2-methylpropyl]-4-methylbenzenesulfonamide (CAS 952959-32-9)
- 3-(2,5-Dimethylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 400078-23-1)
- Tert-butyl (2,4-dibromophenyl)carbamate (CAS 1132910-90-7)
- Methyl 4-cyano-2-hydroxybenzoate (CAS 188793-06-8)
- (S)-2-Amino-2-(2,3-difluorophenyl)acetic acid (CAS 1043500-35-1)
- 2-(Diisopropylamino)ethanethiol (CAS 5842-07-9)
- 2-Methoxy-1-(methoxymethyl)-1H-imidazole-5-carbaldehyde (CAS 1393575-48-8)
- 2-(2-Bromo-4-(difluoromethyl)-5-methylpyridin-3-yl)acetonitrile (CAS 1806862-20-3)
- (Z)-6,10-Dimethylundeca-5,9-dien-2-one (CAS 3879-26-3)
- (2E)-1-(4-Fluorophenyl)-3-(4-methoxyphenyl)prop-2-en-1-one (CAS 2965-64-2)
- 2-amino-3-(oxolan-2-yl)propanoic acid (CAS 1218002-71-1)
- (Glu9)-Exenatide (2-39) trifluoroacetate salt (CAS 196109-34-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com