40239-61-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40239-61-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,3 and 9 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 40239-61:
(7*4)+(6*0)+(5*2)+(4*3)+(3*9)+(2*6)+(1*1)=90
90 % 10 = 0
So 40239-61-0 is a valid CAS Registry Number.