685106-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685106-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,1,0 and 6 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 685106-54:
(8*6)+(7*8)+(6*5)+(5*1)+(4*0)+(3*6)+(2*5)+(1*4)=171
171 % 10 = 1
So 685106-54-1 is a valid CAS Registry Number.