857985-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857985-31-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,8 and 5 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 857985-31:
(8*8)+(7*5)+(6*7)+(5*9)+(4*8)+(3*5)+(2*3)+(1*1)=240
240 % 10 = 0
So 857985-31-0 is a valid CAS Registry Number.