(2R,3R,5R,6S)-2-Hydroxy-6-methyltetrahydro-2H-pyran-3,5-diyl dibenzoate CAS 104768-13-0

Purity 97%+In StockPharmaceutical Standards
CAS No.104768-13-0
Molecular FormulaC20H20O6
Molecular Weight356.37 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2R,3R,5R,6S)-2-Hydroxy-6-methyltetrahydro-2H-pyran-3,5-diyl dibenzoate CAS 104768-13-0 chemical structure

Description

The occurrence of (2R,3R,5R,6S)-2-Hydroxy-6-methyltetrahydro-2H-pyran-3,5-diyl dibenzoate is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(2R,3R,5R,6S)-2-Hydroxy-6-methyltetrahydro-2H-pyran-3,5-diyl dibenzoate (CAS 104768-13-0), molecular formula C20H20O6 and molecular weight 356.37 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (2R,3R,5R,6S)-2-Hydroxy-6-methyltetrahydro-2H-pyran-3,5-diyl dibenzoate (C20H20O6) contains a flavonoid core, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 356.37 g/mol, it falls into the moderately-high-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.

CATO manufactures (2R,3R,5R,6S)-2-Hydroxy-6-methyltetrahydro-2H-pyran-3,5-diyl dibenzoate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC20H20O6
Molecular Weight356.37 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)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1986

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