(Z)-4-(Naphthalen-1-ylamino)-4-oxobut-2-enoic acid CAS 6973-77-9

Purity 97%+In StockPharmaceutical Standards
CAS No.6973-77-9
Molecular FormulaC14H11NO3
Molecular Weight241.24 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

(Z)-4-(Naphthalen-1-ylamino)-4-oxobut-2-enoic acid CAS 6973-77-9 chemical structure

Description

CATO supplies (Z)-4-(Naphthalen-1-ylamino)-4-oxobut-2-enoic acid (CAS 6973-77-9), a certified reference material (molecular formula C14H11NO3, MW 241.24 g/mol) for analytical method development and quality control.

Based on its molecular formula C14H11NO3, (Z)-4-(Naphthalen-1-ylamino)-4-oxobut-2-enoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 241.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

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), (Z)-4-(Naphthalen-1-ylamino)-4-oxobut-2-enoic acid 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 FormulaC14H11NO3
Molecular Weight241.24 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 chloroform, dichloromethane, ethyl acetate, DMSO
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.)1958
Nitrogen Atoms1

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