3,4,7-Trimethyl-5-((3-oxobutan-2-yl)oxy)-2H-chromen-2-one CAS 670243-42-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 670243-42-2 |
| Molecular Formula | C16H18O4 |
| Molecular Weight | 274.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4,7-Trimethyl-5-((3-oxobutan-2-yl)oxy)-2H-chromen-2-one (CAS 670243-42-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H18O4. Molecular weight: 274.31 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H18O4 |
| Molecular Weight | 274.31 g/mol |
| Appearance | Pale yellow to 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 |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Trimethyl Standards
- 3,4,8-Trimethyl-7-((3-oxobutan-2-yl)oxy)-2h-chromen-2-one (CAS 314742-07-9)
- 1,3,5-Trimethyl-2-tosylbenzene (CAS 5184-64-5)
- Trimethyl((2-((tetrahydro-2H-pyran-2-yl)oxy)phenyl)ethynyl)silane (CAS 196106-30-6)
- 1,3,3-Trimethyl-1,2,3,4-tetrahydroquinoline-8-sulfonyl chloride (CAS 184041-34-7)
- 3,3,7-Trimethyl-2-oxoindoline-5-sulfonyl chloride (CAS 1248566-00-8)
- 1,3,3-Trimethyl-2-oxo-2,3-dihydro-1H-indole-5-sulfonyl chloride (CAS 959301-32-7)
- 1,3,7-Trimethyl-8-propyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione (CAS 877810-58-7)
- 1,2,2-Trimethyl-3-(phenylcarbamoyl)cyclopentane-1-carboxylic acid (CAS 73889-61-9)
Recommended Standards
- 3,3',4,4'-Tetramethoxy-1,1'-biphenyl (CAS 2026-27-9)
- 3-(Bis(5-methylfuran-2-yl)methyl)pentane-2,4-dione (CAS 5466-32-0)
- 3',4'-dichloro-3-(3,4-dimethylphenyl)propiophenone (CAS 898779-95-8)
- (5-chloro-4-iodo-2-methoxyphenyl)methanamine hydrochloride (CAS 1803581-74-9)
- 3-methoxythiophene (CAS 17573-92-1)
- 5-Benzyl-3,3-dimethyl-3,4-dihydro-2H-pyrrole (CAS 116673-95-1)
- Ethyl 3-(4-Pyridyl)propiolate (CAS 66869-71-4)
- (r)-3-Amino-3-(1,5-dimethyl-1h-pyrazol-4-yl)propanoic acid (CAS 1568206-56-3)
- Abacavir EP Impurity C (CAS 124752-25-6)
- C-Peptide 2 (rat) (CAS 41594-08-5)
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