193981-10-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 193981-10-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,3,9,8 and 1 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 193981-10:
(8*1)+(7*9)+(6*3)+(5*9)+(4*8)+(3*1)+(2*1)+(1*0)=171
171 % 10 = 1
So 193981-10-1 is a valid CAS Registry Number.