4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid CAS 65597-44-6

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid.

4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid (CAS 65597-44-6), molecular formula C11H8O5 and molecular weight 220.18 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, 4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid (C11H8O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 220.18 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.

As a certified reference material (CRM), 4-(Methoxycarbonyl)cyclopenta[c]pyran-7-carboxylic acid 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

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