(1r,5s)-1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione CAS 595-29-9

Purity 97%+In StockPharmaceutical Standards
CAS No.595-29-9
Molecular FormulaC10H14O3
Molecular Weight182.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1r,5s)-1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione CAS 595-29-9 chemical structure

Description

The occurrence of (1r,5s)-1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(1r,5s)-1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione (CAS 595-29-9) is a high-purity analytical reference standard with the molecular formula C10H14O3 and a molecular weight of 182.22 g/mol.

Structurally, (1r,5s)-1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione (C10H14O3) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 182.22 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).

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.

As a certified reference material (CRM), (1r,5s)-1,8,8-Trimethyl-3-oxabicyclo[3.2.1]octane-2,4-dione 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 FormulaC10H14O3
Molecular Weight182.22 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)4.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1957

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