(R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid CAS 18531-92-5

Purity 97%+In StockPharmaceutical Standards
CAS No.18531-92-5
Molecular FormulaC22H14O6
Molecular Weight374.34 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid CAS 18531-92-5 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 (R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid.

(R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid (CAS 18531-92-5) is a high-purity analytical reference standard with the molecular formula C22H14O6 and a molecular weight of 374.34 g/mol.

Based on its molecular formula C22H14O6, (R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic acid contains a flavonoid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 374.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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), (R)-2,2'-Dihydroxy-[1,1'-binaphthalene]-3,3'-dicarboxylic 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

Molecular FormulaC22H14O6
Molecular Weight374.34 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)16.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962

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