4.4'-Bis-(3-hydroxy-4-methoxycarbonyl-phenyliminomethyl)-diphenylsulfon, also known as Bis-HMPB, is a complex organic compound with the chemical formula C28H24O8S. It is characterized by a diphenylsulfon core, with two 3-hydroxy-4-methoxycarbonyl-phenyliminomethyl groups attached to it. This molecule is of interest in the field of materials science, particularly for its potential applications in the synthesis of advanced polymers and as a precursor in the production of certain pharmaceuticals. The presence of hydroxyl, methoxycarbonyl, and phenyl groups in its structure endows it with unique chemical properties, making it a versatile building block for various chemical reactions and material compositions.
The CAS Registry Mumber 3731-82-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,7,3 and 1 respectively; the second part has 2 digits, 8 and 2 respectively. Calculate Digit Verification of CAS Registry Number 3731-82: (6*3)+(5*7)+(4*3)+(3*1)+(2*8)+(1*2)=86 86 % 10 = 6 So 3731-82-6 is a valid CAS Registry Number.