154149-64-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154149-64-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,1,4 and 9 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 154149-64:
(8*1)+(7*5)+(6*4)+(5*1)+(4*4)+(3*9)+(2*6)+(1*4)=131
131 % 10 = 1
So 154149-64-1 is a valid CAS Registry Number.