685495-44-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685495-44-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,4,9 and 5 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 685495-44:
(8*6)+(7*8)+(6*5)+(5*4)+(4*9)+(3*5)+(2*4)+(1*4)=217
217 % 10 = 7
So 685495-44-7 is a valid CAS Registry Number.