4-Oxo-4-(2,3,5,6-tetramethylphenyl)butanoic acid CAS 134948-69-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 134948-69-9 |
| Molecular Formula | C14H18O3 |
| Molecular Weight | 234.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-4-(2,3,5,6-tetramethylphenyl)butanoic acid (CAS 134948-69-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H18O3. Molecular weight: 234.29 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H18O3 |
| Molecular Weight | 234.29 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
Related Oxo Standards
- 5-(2,3,5,6-Tetramethylphenyl)-5-oxovaleric acid (CAS 719295-43-9)
- Methyl 5-(2,3,5,6-tetramethylphenyl)-1H-pyrazole-3-carboxylate (CAS 2197052-80-3)
- Ethyl 4-(2,3,5,6-tetramethylphenyl)-4-oxobutanoate (CAS 40888-48-0)
- 1-(2,3,5,6-Tetramethylphenyl)butan-1-one (CAS 778-41-6)
- 2-Methyl-1-(2,3,5,6-tetramethylphenyl)propan-1-one (CAS 778-40-5)
- 1-((2,3,5,6-Tetramethylphenyl)sulfonyl)-1H-imidazole (CAS 898644-38-7)
- 1-((2,3,4,5-Tetramethylphenyl)sulfonyl)pyrrolidine (CAS 838866-67-4)
- ((2,3,5,6-Tetramethylphenyl)sulfonyl)glycine (CAS 379250-94-9)
Recommended Standards
- N-(3,4-Dihydro-2H-pyrano-[2,3-b]pyridin-6-yl)pivalamide (CAS 1346447-04-8)
- (3-(Naphthalen-2-yl)phenyl)methanol (CAS 1349716-83-1)
- 2-(3-Aminopyrrolidin-1-yl)-1-(3-methoxyphenyl)ethan-1-one (CAS 1338675-19-6)
- 6-Chloro-1,2-dimethyl-1,2-dihydro-3H-indazol-3-one (CAS 91366-75-5)
- tert-Butyl (3-fluoro-5-iodophenyl)carbamate (CAS 1086386-79-9)
- 6-Bromoimidazo[1,2-a]pyrazine-3-carboxylic Acid (CAS 1404480-51-8)
- 4-(4,5-Dihydro-1,2,3-thiadiazol-4-yl)aniline (CAS 1391033-14-9)
- 2-Cyano-N'-[(1E)-2-phenylethylidene]acetohydrazide (CAS 115163-89-8)
- 7-Methoxy-3-{[(4-methylphenyl)amino]-methyl}-1,2-dihydroquinolin-2-one (CAS 483290-96-6)
- Nonapeptide-1 (CAS 158563-45-2)
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 13829788188 / jacky.chen@cato-chem.com