1-(2,4-dinitro-phenyl)-3-(4-methoxy-phenyl)-4,5-dihydro-1H-pyrazole is a complex organic compound with the molecular formula C15H13N3O5. It features a pyrazole ring, which is a five-membered heterocyclic ring containing three nitrogen atoms. The compound has a 2,4-dinitro-phenyl group attached to the first position of the pyrazole ring, and a 4-methoxy-phenyl group attached to the third position. The 2,4-dinitro-phenyl group contains two nitro groups (-NO2) at the 2nd and 4th positions of the benzene ring, while the 4-methoxy-phenyl group has a methoxy group (-OCH3) at the 4th position of the benzene ring. This chemical structure endows the compound with unique properties and potential applications in various fields, such as pharmaceuticals and materials science.
The CAS Registry Mumber 5920-71-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,9,2 and 0 respectively; the second part has 2 digits, 7 and 1 respectively. Calculate Digit Verification of CAS Registry Number 5920-71: (6*5)+(5*9)+(4*2)+(3*0)+(2*7)+(1*1)=98 98 % 10 = 8 So 5920-71-8 is a valid CAS Registry Number.