39432-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 39432-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,9,4,3 and 2 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 39432-21:
(7*3)+(6*9)+(5*4)+(4*3)+(3*2)+(2*2)+(1*1)=118
118 % 10 = 8
So 39432-21-8 is a valid CAS Registry Number.