39986-72-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39986-72-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,9,8 and 6 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 39986-72:
(7*3)+(6*9)+(5*9)+(4*8)+(3*6)+(2*7)+(1*2)=186
186 % 10 = 6
So 39986-72-6 is a valid CAS Registry Number.