Trans,trans-1,2-dibenzyliden-benzocyclobuten is a complex organic chemical compound with the molecular formula C21H16. It is a derivative of benzocyclobuten, featuring two benzylidene groups attached to the 1 and 2 positions in a trans configuration. trans,trans-1,2-Dibenzyliden-benzocyclobuten is characterized by its unique structure, which includes a cyclobuten ring fused to a benzene ring, with two phenyl groups (benzyl groups) attached to the double bonds. It is an important intermediate in the synthesis of various pharmaceuticals and organic compounds due to its reactive nature and potential for further functionalization. The compound's properties, such as its stability and reactivity, make it a valuable building block in organic synthesis, particularly in the preparation of more complex molecules with potential applications in materials science and medicine.
The CAS Registry Mumber 1233-86-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,2,3 and 3 respectively; the second part has 2 digits, 8 and 6 respectively. Calculate Digit Verification of CAS Registry Number 1233-86: (6*1)+(5*2)+(4*3)+(3*3)+(2*8)+(1*6)=59 59 % 10 = 9 So 1233-86-9 is a valid CAS Registry Number.