(2S,3R,4S,5R,6R)-2-(allyloxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol CAS 201858-29-9

Purity 97%+In StockPharmaceutical Standards
CAS No.201858-29-9
Molecular FormulaC9H16O5
Molecular Weight204.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2S,3R,4S,5R,6R)-2-(allyloxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol CAS 201858-29-9 chemical structure

Description

(2S,3R,4S,5R,6R)-2-(allyloxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol (CAS 201858-29-9), molecular formula C9H16O5 and molecular weight 204.22 g/mol, is a CATO reference standard with documented purity and traceability.

Structurally, (2S,3R,4S,5R,6R)-2-(allyloxy)-6-methyltetrahydro-2H-pyran-3,4,5-triol (C9H16O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 2.0, corresponding to approximately 2 ring(s) or double-bond equivalent(s). With a molecular weight of 204.22 g/mol, it falls into the medium-molecular-weight range.

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.

The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.

Physical & Chemical Properties

Molecular FormulaC9H16O5
Molecular Weight204.22 g/mol
Purity97%+
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in methanol, ethanol, DMSO
StabilityHygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)2.0
CAS Registry Year (est.)2014

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