1,4-Bis-(o-Carboxy-benzyl)-benzol, also known as 1,4-bis(2-carboxybenzyl)benzene, is an organic compound with the molecular formula C21H16O6. It is a white crystalline solid that is soluble in common organic solvents such as ethanol, acetone, and dichloromethane. 1,4-Bis-(o-Carboxy-benzyl)-benzol is characterized by its benzene core with two benzyl groups attached at the 1,4-positions, each featuring a carboxylic acid functional group at the ortho position. It is used as a building block in the synthesis of various complex organic molecules, particularly in the preparation of dendrimers and other macromolecules. The presence of the carboxylic acid groups allows for further functionalization and conjugation with other molecules, making it a versatile intermediate in organic chemistry.
The CAS Registry Mumber 5018-81-5 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,1 and 8 respectively; the second part has 2 digits, 8 and 1 respectively. Calculate Digit Verification of CAS Registry Number 5018-81: (6*5)+(5*0)+(4*1)+(3*8)+(2*8)+(1*1)=75 75 % 10 = 5 So 5018-81-5 is a valid CAS Registry Number.