685535-19-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 685535-19-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,8,5,5,3 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 685535-19:
(8*6)+(7*8)+(6*5)+(5*5)+(4*3)+(3*5)+(2*1)+(1*9)=197
197 % 10 = 7
So 685535-19-7 is a valid CAS Registry Number.