857988-84-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857988-84-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,9,8 and 8 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 857988-84:
(8*8)+(7*5)+(6*7)+(5*9)+(4*8)+(3*8)+(2*8)+(1*4)=262
262 % 10 = 2
So 857988-84-2 is a valid CAS Registry Number.