2,2-Bis-(3,4-dichlor-anilino)-aethylendicarbonsaeure-diaethylester, also known as bis(3,4-dichlorophenyl)-2,2-diethoxycarbonyl-1,1-ethenediyl ester, is a complex organic compound with the chemical formula C18H14Cl4NO4. It is characterized by the presence of two 3,4-dichlorophenyl groups attached to a central ethylenedicarbonyl moiety, which is further esterified with two diethyl groups. 2,2-Bis-<3,4-dichlor-anilino>-aethylendicarbonsaeure-diaethylester is a white crystalline solid and is used as an intermediate in the synthesis of various pharmaceuticals and agrochemicals. Due to its complex structure and potential applications, it is important in the field of organic chemistry and chemical engineering.
The CAS Registry Mumber 3133-42-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,1,3 and 3 respectively; the second part has 2 digits, 4 and 2 respectively. Calculate Digit Verification of CAS Registry Number 3133-42: (6*3)+(5*1)+(4*3)+(3*3)+(2*4)+(1*2)=54 54 % 10 = 4 So 3133-42-4 is a valid CAS Registry Number.
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