(3AR,4S,6aR)-3-methylene-4-octyldihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione CAS 33644-09-6
| CAS No. | 33644-09-6 |
| Molecular Formula | C15H22O4 |
| Molecular Weight | 266.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(3AR,4S,6aR)-3-methylene-4-octyldihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione (CAS 33644-09-6), molecular formula C15H22O4 and molecular weight 266.33 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (3AR,4S,6aR)-3-methylene-4-octyldihydrofuro[3,4-b]furan-2,6(3H,6aH)-dione (C15H22O4) 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 high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C15H22O4 |
| Molecular Weight | 266.33 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- (2E)-3-(4-Ethoxyphenyl)-1-(4-methylphenyl)prop-2-en-1-one (CAS 39059-95-5)
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- (2E)-3-(2-Ethoxyphenyl)-1-(4-methylphenyl)prop-2-en-1-one (CAS 39059-94-4)
- (E)-1-(2-hydroxyphenyl)-3-(4-isopropylphenyl)prop-2-en-1-one (CAS 73110-49-3)
- Methyl 2-methyl-3-{[2-(piperidin-1-yl)ethyl]amino}propanoate (CAS 1221341-48-5)
- 3-Iodo-6-(trifluoromethoxy)-1H-pyrazolo[4,3-b]pyridine (CAS 2101736-15-4)
- 2-Fluoro-4-methoxy-5-(trifluoromethyl)benzaldehyde (CAS 2183512-39-0)
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- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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