1,2,3,4-Tetramethoxy-5-methylbenzene CAS 35896-58-3
| CAS No. | 35896-58-3 |
| Molecular Formula | C11H16O4 |
| Molecular Weight | 212.24 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.
1,2,3,4-Tetramethoxy-5-methylbenzene (CAS 35896-58-3), molecular formula C11H16O4 and molecular weight 212.24 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 1,2,3,4-Tetramethoxy-5-methylbenzene (C11H16O4) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C11H16O4 |
| Molecular Weight | 212.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
Related Tetramethoxy Standards
- 3,3,6,6-Tetramethoxy-1,4-cyclohexadiene (CAS 15791-03-4)
- 1,2,3,5-Tetramethoxy-4-nitrobenzene (CAS 62384-43-4)
- 1,1,4,4-Tetramethoxy-trans-2-butene 6068-62-8 F0329 Fumaraldehyde Bis(dimethyl Acetal) (CAS 6068-62-8)
- 1,1,3,3-Tetramethoxy-1,3-divinyldisiloxane (CAS 18293-85-1)
- N,3,4,5-Tetramethoxy-N-methylbenzamide (CAS 118779-14-9)
- N,2,5,6-Tetramethoxy-N-methylnicotinamide (CAS 1414864-06-4)
- 3,3',5,5'-Tetramethoxy-1,1'-biphenyl (CAS 108840-33-1)
- 2,2',6,6'-Tetramethoxy-1,1'-biphenyl (CAS 19491-10-2)
Recommended Standards
- 1-(tert-Butoxycarbonyl)cyclopent-3-ene-1-carboxylic acid (CAS 635318-61-5)
- 1,2-Dihydro-5-methoxy-3H-benz[e]inden-3-one (CAS 857552-15-9)
- 1-(Dimethoxymethyl)-2,4-dimethoxybenzene (CAS 91352-76-0)
- 1,4,9-Trioxadispiro[4.2.48.25]tetradecan-12-one (CAS 2138000-10-7)
- 2,3-Dichloro-6-nitroaniline (CAS 65078-77-5)
- Pyrimidin-2-ylmethanamineoxalate (CAS 866625-10-7)
- tert-Butyl 5-bromo-1H-benzo[d][1,2,3]triazole-1-carboxylate (CAS 552331-93-8)
- 1-Cyclohexyl-N-methylpyrrolidin-3-amine (CAS 50734-01-5)
- 2-{[4-(1-hydroxyethyl)phenyl]sulfanyl}-N,N-dimethylacetamide (CAS 1342865-98-8)
- 3,5-Difluoro-4-(5-isopropyl-1,2,4-oxadiazol-3-yl)phenol (CAS 1914136-73-4)
- Ethyl 8-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate (CAS 71083-06-2)
- 2-Amino-N,N-dimethylbenzamide (CAS 6526-66-5)
- 3-Ethoxy-5-fluorophenol (CAS 1443055-88-6)
- C-Type Natriuretic Peptide (32-53) (human, porcine, rat) (CAS 127869-51-6)
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