(3aR,7S,8aR)-7-Methyl-3-methylene-6-(3-oxobutyl)-3,3a,4,7,8,8a-hexahydro-2H-cyclohepta[b]furan-2-one CAS 33649-15-9
| CAS No. | 33649-15-9 |
| Molecular Formula | C15H20O3 |
| Molecular Weight | 248.32 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.
CATO supplies (3aR,7S,8aR)-7-Methyl-3-methylene-6-(3-oxobutyl)-3,3a,4,7,8,8a-hexahydro-2H-cyclohepta[b]furan-2-one (CAS 33649-15-9), a certified reference material (molecular formula C15H20O3, MW 248.32 g/mol) for analytical method development and quality control.
Based on its molecular formula C15H20O3, (3aR,7S,8aR)-7-Methyl-3-methylene-6-(3-oxobutyl)-3,3a,4,7,8,8a-hexahydro-2H-cyclohepta[b]furan-2-one contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 248.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), (3aR,7S,8aR)-7-Methyl-3-methylene-6-(3-oxobutyl)-3,3a,4,7,8,8a-hexahydro-2H-cyclohepta[b]furan-2-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C15H20O3 |
| Molecular Weight | 248.32 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 |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
Recommended Standards
- (3aR,4aR,8aR,9aR)-4a-Hydroxy-8a-methyl-3,5-dimethylenedecahydronaphtho[2,3-b]furan-2(3H)-one (CAS 6752-90-5)
- (3AS,3a1R,5aR,6R,8aR)-9,9-dimethyloctahydro-3a1,6-ethanocyclopenta[de]isochromene-1,4-dione (CAS 66550-08-1)
- (3-Amino-4-methoxyphenyl)(azepan-1-yl)methanone (CAS 926213-56-1)
- (3aS,5aR,6R,9aS,9bS)-6-Hydroxy-5a-methyl-3,9-dimethylenedecahydronaphtho[1,2-b]furan-2(9bH)-one (CAS 28254-53-7)
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- Semaglutide (CAS 910463-68-2)
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