2,4,6,8-tetraaza-1,5(1,4)-dibenzena-3,7(1,3)-diisoindola-cyclootaphane-2,33(4),6,73(8)-tetraene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 47747-33-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,7,7,4 and 7 respectively; the second part has 2 digits, 3 and 3 respectively. Calculate Digit Verification of CAS Registry Number 47747-33: (7*4)+(6*7)+(5*7)+(4*4)+(3*7)+(2*3)+(1*3)=151 151 % 10 = 1 So 47747-33-1 is a valid CAS Registry Number.