p-Nitrophenyl 3,4-O-Isopropylidene-α-D-galactopyranoside CAS 29781-32-6

Purity 97%+In StockPharmaceutical Standards
CAS No.29781-32-6
Molecular FormulaC15H19NO8
Molecular Weight341.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

p-Nitrophenyl 3,4-O-Isopropylidene-α-D-galactopyranoside CAS 29781-32-6 chemical structure

Description

Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including p-Nitrophenyl 3,4-O-Isopropylidene-α-D-galactopyranoside.

CATO supplies p-Nitrophenyl 3,4-O-Isopropylidene-α-D-galactopyranoside (CAS 29781-32-6), a certified reference material (molecular formula C15H19NO8, MW 341.31 g/mol) for analytical method development and quality control.

Based on its molecular formula C15H19NO8, p-Nitrophenyl 3,4-O-Isopropylidene-α-D-galactopyranoside 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 341.31 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.

As a certified reference material (CRM), p-Nitrophenyl 3,4-O-Isopropylidene-α-D-galactopyranoside 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 FormulaC15H19NO8
Molecular Weight341.31 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, 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)7.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1965
Nitrogen Atoms1

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