4,4'-(2-amino-benzylidene)-di-phenol, also known as 4,4'-(2-aminobenzylidene)diphenol or 4,4'-(2-aminobenzylidene)diphenol, is an organic compound with the chemical formula C19H16N2O2. It is a derivative of bisphenol A, featuring a 2-aminobenzyl group in the middle, connecting two phenol units. 4,4'-(2-amino-benzylidene)-di-phenol is primarily used as a monomer in the synthesis of polyamides and polyimides, which are high-performance polymers with applications in various industries, including electronics, aerospace, and automotive. The presence of the amino group in the molecule allows for further chemical reactions and modifications, making it a versatile building block in polymer chemistry.
The CAS Registry Mumber 2311-75-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,1 and 1 respectively; the second part has 2 digits, 7 and 5 respectively. Calculate Digit Verification of CAS Registry Number 2311-75: (6*2)+(5*3)+(4*1)+(3*1)+(2*7)+(1*5)=53 53 % 10 = 3 So 2311-75-3 is a valid CAS Registry Number.