N'-(3,4-Dimethoxybenzylidene)-2-hydroxybenzohydrazide CAS 18269-04-0

Purity 97%+In StockPharmaceutical Standards
CAS No.18269-04-0
Molecular FormulaC16H16N2O4
Molecular Weight300.31 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N'-(3,4-Dimethoxybenzylidene)-2-hydroxybenzohydrazide CAS 18269-04-0 chemical structure

Description

The occurrence of N'-(3,4-Dimethoxybenzylidene)-2-hydroxybenzohydrazide 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.

N'-(3,4-Dimethoxybenzylidene)-2-hydroxybenzohydrazide (CAS 18269-04-0) is a high-purity analytical reference standard with the molecular formula C16H16N2O4 and a molecular weight of 300.31 g/mol.

Based on its molecular formula C16H16N2O4, N'-(3,4-Dimethoxybenzylidene)-2-hydroxybenzohydrazide 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 300.31 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.

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

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 FormulaC16H16N2O4
Molecular Weight300.31 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1962
Nitrogen Atoms2

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