874920-40-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 874920-40-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,4,9,2 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 874920-40:
(8*8)+(7*7)+(6*4)+(5*9)+(4*2)+(3*0)+(2*4)+(1*0)=198
198 % 10 = 8
So 874920-40-8 is a valid CAS Registry Number.