2,4,7b-Triphenyl-6-p-tolyl-4a,4b,7a,7b-tetrahydro-1-thia-3,6,7c-triaza-dicyclopenta[a,cd]pentalene-5,7-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 84026-40-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,0,2 and 6 respectively; the second part has 2 digits, 4 and 0 respectively. Calculate Digit Verification of CAS Registry Number 84026-40: (7*8)+(6*4)+(5*0)+(4*2)+(3*6)+(2*4)+(1*0)=114 114 % 10 = 4 So 84026-40-4 is a valid CAS Registry Number.