39489-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39489-40-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,4,8 and 9 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 39489-40:
(7*3)+(6*9)+(5*4)+(4*8)+(3*9)+(2*4)+(1*0)=162
162 % 10 = 2
So 39489-40-2 is a valid CAS Registry Number.