Metoprolol Impurity 18 CAS 56718-70-8

Purity >90%In StockPharmacopoeial Impurity Standards
CAS No.56718-70-8
Molecular FormulaC12H16O3
Molecular Weight208.25 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Metoprolol Impurity 18 CAS 56718-70-8 chemical structure

Description

Metoprolol Impurity 18 (CAS 56718-70-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H16O3. Molecular weight: 208.25 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC12H16O3
Molecular Weight208.25 g/mol
AppearanceOff-white to pale yellow crystalline powder
Purity>90%
StorageStore in a cool place (≤25°C), keep sealed and dry
Solubility (reference)Soluble in chloroform, dichloromethane, ethyl acetate, DMSO
StabilityMay oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)5.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1973

Related Metoprolol Standards

Recommended Standards

Why CATO?