39689-07-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39689-07-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,6,8 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 39689-07:
(7*3)+(6*9)+(5*6)+(4*8)+(3*9)+(2*0)+(1*7)=171
171 % 10 = 1
So 39689-07-1 is a valid CAS Registry Number.