CAS 87625-92-1

Nifedipine Impurity 9

CAS: 87625-92-1

Formula: C₁₅H₁₅NO₅

Molecular weight: 289.29

Ref: 4Z-N-0720

Nicardipine Cyclohexenone Impurity

CAS: 87625-92-1

Formula: C₁₅H₁₅NO₅

Molecular weight: 289.3

Ref: ST-EA-CP-N7020

Methyl 2-Methyl-6-(3-nitrophenyl)-4-oxo-2-cyclohexene-1-carboxylate

CAS: 87625-92-1

Applications Methyl 2-Methyl-6-(3-nitrophenyl)-4-oxo-2-cyclohexene-1-carboxylate is a nicardipine impurity. Also, it is derived from Methyl Acetoacetate (O848425), which is a chemical reagent used in the synthesis of pharmaceuticals. It participates in the Biginelli reaction, forming molecules including dihydropyrimidinones.
References Vaghela, B. K., et al.: J. Liq. Chromatogr. Related Technol., 36, 2166-2181 (2013);

Formula: C₁₅H₁₅NO₅·C₁₆H₁₇NO₅

Color and Shape: Neat

Molecular weight: 592.59

Ref: TR-M338310

Methyl 2-Methyl-6-(3-nitrophenyl)-4-oxo-2-cyclohexene-1-carboxylate + ~8% Ethyl 3-Methyl-3'-nitro-5-oxo-1,2,5,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate

Controlled Product

CAS: 87625-92-1

Formula: C₁₆H₁₇NO₅

Color and Shape: Neat

Molecular weight: 303.31

Ref: TR-M338312