1,3,1',3'-tetramethyl-5,5'-(6,6'-diphenyl-[2,2']bipyranyl-4,4'-diylidene)-bis-pyrimidine-2,4,6-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 54112-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,1,1 and 2 respectively; the second part has 2 digits, 1 and 7 respectively. Calculate Digit Verification of CAS Registry Number 54112-17: (7*5)+(6*4)+(5*1)+(4*1)+(3*2)+(2*1)+(1*7)=83 83 % 10 = 3 So 54112-17-3 is a valid CAS Registry Number.