67650-47-9 Methyl (4ar,5s,6r,8ar)-5,6,8a-trimethyl-5-[2-(5-oxo-2,5-dihydro-3 -furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-1-naphthalenecarboxyl Ate CAS 67650-47-9

Purity 97%+In StockPharmaceutical Standards
CAS No.67650-47-9
Molecular FormulaC21H30O4
Molecular Weight346.46 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

67650-47-9 Methyl (4ar,5s,6r,8ar)-5,6,8a-trimethyl-5-[2-(5-oxo-2,5-dihydro-3 -furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-1-naphthalenecarboxyl Ate CAS 67650-47-9 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 67650-47-9 Methyl (4ar,5s,6r,8ar)-5,6,8a-trimethyl-5-[2-(5-oxo-2,5-dihydro-3 -furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-1-naphthalenecarboxyl Ate.

67650-47-9 Methyl (4ar,5s,6r,8ar)-5,6,8a-trimethyl-5-[2-(5-oxo-2,5-dihydro-3 -furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-1-naphthalenecarboxyl Ate (CAS 67650-47-9), molecular formula C21H30O4 and molecular weight 346.46 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 67650-47-9 Methyl (4ar,5s,6r,8ar)-5,6,8a-trimethyl-5-[2-(5-oxo-2,5-dihydro-3 -furanyl)ethyl]-3,4,4a,5,6,7,8,8a-octahydro-1-naphthalenecarboxyl Ate (C21H30O4) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 346.46 g/mol, it falls into the moderately-high-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

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 FormulaC21H30O4
Molecular Weight346.46 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1976

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