(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2-bromoethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 16977-78-9

Purity 97%+In StockPharmaceutical Standards
CAS No.16977-78-9
Molecular FormulaC16H23BrO10
Molecular Weight455.25 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2-bromoethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate CAS 16977-78-9 chemical structure

Description

The occurrence of (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2-bromoethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

CATO supplies (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2-bromoethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (CAS 16977-78-9), a certified reference material (molecular formula C16H23BrO10, MW 455.25 g/mol) for analytical method development and quality control.

Structurally, (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2-bromoethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate (C16H23BrO10) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 455.25 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).

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

CATO manufactures (2R,3R,4S,5R,6R)-2-(acetoxymethyl)-6-(2-bromoethoxy)tetrahydro-2H-pyran-3,4,5-triyl triacetate 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 FormulaC16H23BrO10
Molecular Weight455.25 g/mol
AppearanceOff-white to pale yellow crystalline powder. (slight halide-like odor)
Purity97%+
StorageStore at room temperature, keep sealed and dry
Solubility (reference)Soluble in methanol, acetonitrile, DMSO, water (slightly soluble)
StabilityMay oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1961
Halogen ContentBr-containing

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