(3aR,4aR,5R,7S,7aS,9aR)-5,7-Dihydroxy-5-methyl-3,8-dimethylenedecahydroazuleno[6,5-b]furan-2(3H)-one CAS 54964-49-7

Purity 97%+In StockPharmaceutical Standards
CAS No.54964-49-7
Molecular FormulaC15H20O4
Molecular Weight264.32 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3aR,4aR,5R,7S,7aS,9aR)-5,7-Dihydroxy-5-methyl-3,8-dimethylenedecahydroazuleno[6,5-b]furan-2(3H)-one CAS 54964-49-7 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 264.32 g/mol gives (3aR,4aR,5R,7S,7aS,9aR)-5,7-Dihydroxy-5-methyl-3,8-dimethylenedecahydroazuleno[6,5-b]furan-2(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(3aR,4aR,5R,7S,7aS,9aR)-5,7-Dihydroxy-5-methyl-3,8-dimethylenedecahydroazuleno[6,5-b]furan-2(3H)-one (CAS 54964-49-7), molecular formula C15H20O4 and molecular weight 264.32 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (3aR,4aR,5R,7S,7aS,9aR)-5,7-Dihydroxy-5-methyl-3,8-dimethylenedecahydroazuleno[6,5-b]furan-2(3H)-one (C15H20O4) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 264.32 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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.

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 FormulaC15H20O4
Molecular Weight264.32 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)6.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1972

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