Metaraminol Impurity 16 CAS 37951-47-6

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.37951-47-6
Molecular FormulaC16H16O2
Molecular Weight240.30 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Metaraminol Impurity 16 CAS 37951-47-6 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 Metaraminol Impurity 16.

CATO supplies Metaraminol Impurity 16 (CAS 37951-47-6), a pharmacopoeial impurity reference standard (molecular formula C16H16O2, MW 240.30 g/mol) used for the identification and quantification of trace impurities in APIs.

Based on its molecular formula C16H16O2, Metaraminol Impurity 16 contains a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.

This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.

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 FormulaC16H16O2
Molecular Weight240.30 g/mol
AppearancePale yellow to yellow crystalline powder
Purity>95%
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)9.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1967

Related Metaraminol Standards

Recommended Standards

Why CATO?