854643-12-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854643-12-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,6,4 and 3 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 854643-12:
(8*8)+(7*5)+(6*4)+(5*6)+(4*4)+(3*3)+(2*1)+(1*2)=182
182 % 10 = 2
So 854643-12-2 is a valid CAS Registry Number.