(1S,5R)-6-Oxabicyclo[3.2.0]heptane-3,7-dione CAS 1638744-42-9

Purity 97%+In StockPharmaceutical Standards
CAS No.1638744-42-9
Molecular FormulaC6H6O3
Molecular Weight126.11 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(1S,5R)-6-Oxabicyclo[3.2.0]heptane-3,7-dione CAS 1638744-42-9 chemical structure

Description

As a certified reference material (CRM), (1S,5R)-6-Oxabicyclo[3.2.0]heptane-3,7-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.

(1S,5R)-6-Oxabicyclo[3.2.0]heptane-3,7-dione (CAS 1638744-42-9), molecular formula C6H6O3 and molecular weight 126.11 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (1S,5R)-6-Oxabicyclo[3.2.0]heptane-3,7-dione (C6H6O3) 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 126.11 g/mol, it falls into the low-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.

Physical & Chemical Properties

Molecular FormulaC6H6O3
Molecular Weight126.11 g/mol
Purity97%+
StorageStore at 2-8°C, keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO, water
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.)1993

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