857591-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 857591-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,5,9 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 857591-12:
(8*8)+(7*5)+(6*7)+(5*5)+(4*9)+(3*1)+(2*1)+(1*2)=209
209 % 10 = 9
So 857591-12-9 is a valid CAS Registry Number.