854634-68-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 854634-68-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,4,6,3 and 4 respectively; the second part has 2 digits, 6 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 854634-68:
(8*8)+(7*5)+(6*4)+(5*6)+(4*3)+(3*4)+(2*6)+(1*8)=197
197 % 10 = 7
So 854634-68-7 is a valid CAS Registry Number.