53689-07-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53689-07-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,6,8 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 53689-07:
(7*5)+(6*3)+(5*6)+(4*8)+(3*9)+(2*0)+(1*7)=149
149 % 10 = 9
So 53689-07-9 is a valid CAS Registry Number.