(3R,4R,5S,6S)-3,4,5-tris(benzyloxy)-2-methoxy-6-methyltetrahydro-2H-pyran CAS 83916-89-6

Purity 97%+In StockPharmaceutical Standards
CAS No.83916-89-6
Molecular FormulaC28H32O5
Molecular Weight448.55 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(3R,4R,5S,6S)-3,4,5-tris(benzyloxy)-2-methoxy-6-methyltetrahydro-2H-pyran CAS 83916-89-6 chemical structure

Description

Compared with other compounds in its class, the molecular weight of 448.55 g/mol gives (3R,4R,5S,6S)-3,4,5-tris(benzyloxy)-2-methoxy-6-methyltetrahydro-2H-pyran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.

(3R,4R,5S,6S)-3,4,5-tris(benzyloxy)-2-methoxy-6-methyltetrahydro-2H-pyran (CAS 83916-89-6), molecular formula C28H32O5 and molecular weight 448.55 g/mol, is a CATO reference standard with documented purity and traceability.

Based on its molecular formula C28H32O5, (3R,4R,5S,6S)-3,4,5-tris(benzyloxy)-2-methoxy-6-methyltetrahydro-2H-pyran contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 448.55 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.

CATO manufactures (3R,4R,5S,6S)-3,4,5-tris(benzyloxy)-2-methoxy-6-methyltetrahydro-2H-pyran 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 FormulaC28H32O5
Molecular Weight448.55 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)13.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1980

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