685567-52-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685567-52-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,6 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 685567-52:
(8*6)+(7*8)+(6*5)+(5*5)+(4*6)+(3*7)+(2*5)+(1*2)=216
216 % 10 = 6
So 685567-52-6 is a valid CAS Registry Number.