4,4-Diphenyl-2,2,3,3-tetrakis-(2,4,6-trimethyl-phenyl)-[1,2,3]oxadisiletane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 84537-21-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,5,3 and 7 respectively; the second part has 2 digits, 2 and 1 respectively. Calculate Digit Verification of CAS Registry Number 84537-21: (7*8)+(6*4)+(5*5)+(4*3)+(3*7)+(2*2)+(1*1)=143 143 % 10 = 3 So 84537-21-3 is a valid CAS Registry Number.