101981-93-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101981-93-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,9,8 and 1 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 101981-93:
(8*1)+(7*0)+(6*1)+(5*9)+(4*8)+(3*1)+(2*9)+(1*3)=115
115 % 10 = 5
So 101981-93-5 is a valid CAS Registry Number.