4,6,8-Trimethyl-1,2,4-dioxazino<6,5-d>pyrimidine-3,5,7(4H,6H,8H)-trione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.
The CAS Registry Mumber 128990-83-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,9,9 and 0 respectively; the second part has 2 digits, 8 and 3 respectively. Calculate Digit Verification of CAS Registry Number 128990-83: (8*1)+(7*2)+(6*8)+(5*9)+(4*9)+(3*0)+(2*8)+(1*3)=170 170 % 10 = 0 So 128990-83-0 is a valid CAS Registry Number.