6-Butyl-2-isobutoxy-4-methyl-3-(o-tolylsulfonyl)pyridine CAS 338774-17-7
| CAS No. | 338774-17-7 |
| Molecular Formula | C21H29NO3S |
| Molecular Weight | 375.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 6-Butyl-2-isobutoxy-4-methyl-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.
6-Butyl-2-isobutoxy-4-methyl-3-(o-tolylsulfonyl)pyridine (CAS 338774-17-7), molecular formula C21H29NO3S and molecular weight 375.52 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 6-Butyl-2-isobutoxy-4-methyl-3-(o-tolylsulfonyl)pyridine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 375.52 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C21H29NO3S |
| Molecular Weight | 375.52 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 Butyl Standards
- 2-Isobutoxy-N-[2-(phenethyloxy)benzyl]aniline (CAS 1040694-78-7)
- N-(3-Isobutoxy-2-(pyrrolidin-1-yl)propyl)-N-(thiophen-2-yl)pyridin-2-amine (CAS 98834-13-0)
- 2-(4-Isobutoxy-3-methoxybenzylidene)-6-methyl-2H-thiazolo[3,2-b][1,2,4]triazine-3,7-dione (CAS 606956-83-6)
- 2-(4-Isobutoxy-3-methoxybenzylidene)benzo[4,5]imidazo[2,1-b]thiazol-3(2H)-one (CAS 617696-90-9)
- Ethyl 2-(4-isobutoxy-3-nitrophenyl)-4-methylthiazole-5-carboxylate (CAS 144060-93-5)
- 4-Isobutoxy-N-(2-(pyridin-4-yl)benzo[d]oxazol-5-yl)benzamide (CAS 6008-38-4)
- 4-Isobutoxy-N-[4-(2-phenoxyethoxy)benzyl]aniline (CAS 1040688-18-3)
- 2-(4-Isobutoxy-3-methoxyphenyl)-1H-imidazo[4,5-b]phenazine (CAS 114991-95-6)
Recommended Standards
- 3-(4-tert-Butylbenzenesulfonyl)-4,6-dimethyl-2-(2-methylpropoxy)pyridine (CAS 339276-77-6)
- Norgestimate-D6 (CAS 1263194-12-2)
- alpha,alpha-Bis[4-(dimethylamino)phenyl]-4-(methylamino)-benzenemethanol (CAS 561-41-1)
- 2-(3-Butyl-2-(butylimino)-4-oxothiazolidin-5-yl)-N-(o-tolyl)acetamide (CAS 537660-21-2)
- 4-(2-Oxo-1,3-oxazolidin-3-yl)benzonitrile (CAS 208709-23-3)
- [4-(Cyclopentanecarbonyl-amino)-pyrazol-1-yl]-acetic acid (CAS 1183764-58-0)
- 4,7-Dimethyl-5-nitro-1H-benzo[d]imidazole (CAS 170918-29-3)
- Succinic-d4 Anhydride (CAS 14341-86-7)
- 2-Fluorocyclobutan-1-amine (CAS 1780651-85-5)
- 2-[(4-Methoxyphenyl)amino]-5-nitrobenzonitrile (CAS 85020-89-9)
- Enalapril EP Impurity C（Hydrate） (CAS 84680-54-6)
- 3-(5-Bromopyridin-3-yl)-1,4,6,7-tetrahydropyrano[4,3-c]pyrazole (CAS 1707727-59-0)
- N2-Cyclobutylpyrimidine-2,5-diamine (CAS 1250822-97-9)
- Semaglutide impurity 80 (CAS CATO-C4X-222680)
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