2,9-bis(2,4-dimethylpentan-3-yl)anthra[2,1,9-def:6,5,10-d'e'f']diisoquinoline-1,3,8,10(2H,9H)-tetraone is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 855307-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,5,3,0 and 7 respectively; the second part has 2 digits, 8 and 4 respectively. Calculate Digit Verification of CAS Registry Number 855307-84: (8*8)+(7*5)+(6*5)+(5*3)+(4*0)+(3*7)+(2*8)+(1*4)=185 185 % 10 = 5 So 855307-84-5 is a valid CAS Registry Number.