685877-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685877-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,8,7 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 685877-52:
(8*6)+(7*8)+(6*5)+(5*8)+(4*7)+(3*7)+(2*5)+(1*2)=235
235 % 10 = 5
So 685877-52-5 is a valid CAS Registry Number.