859819-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859819-74-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,8,1 and 9 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 859819-74:
(8*8)+(7*5)+(6*9)+(5*8)+(4*1)+(3*9)+(2*7)+(1*4)=242
242 % 10 = 2
So 859819-74-2 is a valid CAS Registry Number.