685852-85-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685852-85-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,5 and 2 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 685852-85:
(8*6)+(7*8)+(6*5)+(5*8)+(4*5)+(3*2)+(2*8)+(1*5)=221
221 % 10 = 1
So 685852-85-1 is a valid CAS Registry Number.