93992-20-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93992-20-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,9 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 93992-20:
(7*9)+(6*3)+(5*9)+(4*9)+(3*2)+(2*2)+(1*0)=172
172 % 10 = 2
So 93992-20-2 is a valid CAS Registry Number.