(4aR,6R,7R,8S,8aR)-6-Ethoxy-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate CAS 161765-88-4

Purity 97%+In StockPharmaceutical Standards
CAS No.161765-88-4
Molecular FormulaC22H24O7
Molecular Weight400.42 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(4aR,6R,7R,8S,8aR)-6-Ethoxy-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate CAS 161765-88-4 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 400.42 g/mol gives (4aR,6R,7R,8S,8aR)-6-Ethoxy-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(4aR,6R,7R,8S,8aR)-6-Ethoxy-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate (CAS 161765-88-4), molecular formula C22H24O7 and molecular weight 400.42 g/mol, is a CATO reference standard with documented purity and traceability.

Owing to a flavonoid core, a hydroxyl group, an ether linkage, (4aR,6R,7R,8S,8aR)-6-Ethoxy-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 400.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

As a certified reference material (CRM), (4aR,6R,7R,8S,8aR)-6-Ethoxy-8-hydroxy-2-phenylhexahydropyrano[3,2-d][1,3]dioxin-7-yl benzoate 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 FormulaC22H24O7
Molecular Weight400.42 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at room temperature, 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.)2003

Recommended Standards

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