(2R,3R,4R,5S,6R)-6-(acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate CAS 1635433-41-8

Purity 97%+In StockPharmaceutical Standards
CAS No.1635433-41-8
Molecular FormulaC19H25NO10
Molecular Weight427.40 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(2R,3R,4R,5S,6R)-6-(acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate CAS 1635433-41-8 chemical structure

Description

The occurrence of (2R,3R,4R,5S,6R)-6-(acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.

(2R,3R,4R,5S,6R)-6-(acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate (CAS 1635433-41-8) is a high-purity analytical reference standard with the molecular formula C19H25NO10 and a molecular weight of 427.40 g/mol.

Based on its molecular formula C19H25NO10, (2R,3R,4R,5S,6R)-6-(acetoxymethyl)-3-(pent-4-ynamido)tetrahydro-2H-pyran-2,4,5-triyl triacetate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 427.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.

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 FormulaC19H25NO10
Molecular Weight427.40 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)8.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Nitrogen Atoms1

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