20432-22-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20432-22-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,4,3 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 20432-22:
(7*2)+(6*0)+(5*4)+(4*3)+(3*2)+(2*2)+(1*2)=58
58 % 10 = 8
So 20432-22-8 is a valid CAS Registry Number.