913985-20-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 913985-20-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,3,9,8 and 5 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 913985-20:
(8*9)+(7*1)+(6*3)+(5*9)+(4*8)+(3*5)+(2*2)+(1*0)=193
193 % 10 = 3
So 913985-20-3 is a valid CAS Registry Number.