685537-60-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685537-60-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,3 and 7 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 685537-60:
(8*6)+(7*8)+(6*5)+(5*5)+(4*3)+(3*7)+(2*6)+(1*0)=204
204 % 10 = 4
So 685537-60-4 is a valid CAS Registry Number.