10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl 3-methylbutanoate CAS 21311-66-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21311-66-0 |
| Molecular Formula | C21H24O7 |
| Molecular Weight | 388.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 10-Acetoxy-8,8-dimethyl-2-oxo-9,10-dihydro-2H,8H-pyrano[2,3-f]chromen-9-yl 3-methylbutanoate (CAS 21311-66-0) pharmaceutical standards reference standard. Molecular formula: C21H24O7. Molecular weight: 388.41 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H24O7 |
| Molecular Weight | 388.41 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
Related Acetoxy Standards
- 11-Acetoxy-Δ8-tetrahydrocannabinol (CAS 36871-18-8)
- 6-Acetoxy Belamcandol B (CAS 1388841-30-2)
- (3-Acetoxy-5-(5-bromo-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate (CAS 6161-23-5)
- 1-Acetoxy-5-bromo-1,2-benziodoxol-3(1H)-one (CAS 1580548-81-7)
- 1’-Acetoxy Midazolam (1.0mg/ml in Acetonitrile) (CAS 59468-89-2)
- 4-Acetoxy Midazolam (1.0mg/ml in Acetonitrile) (CAS 59468-84-7)
- ATM4 4-Acetoxy Analog (CAS 91295-74-8)
- Methyl 2-(2-acetoxy-6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)-2-(2-chlorophenyl)acetate (CAS 178688-44-3)
Recommended Standards
- 1-(2,5-Dimethyl-1-(thiophen-2-ylmethyl)-1H-pyrrol-3-yl)-2-(5-fluoro-2-nitrophenoxy)ethan-1-one (CAS 852905-13-6)
- 2-(4-Butoxyphenyl)-1,5-dihydroxyanthracene-9,10-dione (CAS 94517-60-9)
- [1-methyl-5-[(3R)-3-methylmorpholin-4-yl]pyrazolo[4,3-b]pyridin-7-yl] trifluoromethanesulfonate (CAS 2412995-11-8)
- 4-Chloro-8H-pyrrolo[3,2-g]quinazoline (CAS 174709-48-9)
- (4-aminobutyl)(2,2,2-trifluoroethyl)amine dihydrochloride (CAS 1803599-06-5)
- Olaparib Impurity 150 (CAS CATO-C4X-1135150)
- 3-Ethoxy-4-(1-naphthylmethoxy)benzaldehyde (CAS 443289-89-2)
- 4-Hydroxy-1H-indole-2-carboxylic acid (CAS 80129-52-8)
- 5-Bromo-4-methyl-3-nitropyridin-2(1H)-one (CAS 228410-90-0)
- (Ser(PO?H?)3??·???)-Tau Peptide (379-408) trifluoroacetate salt (CAS 2022956-60-9)
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 13829788188 / jacky.chen@cato-chem.com