1097871-14-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1097871-14-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,7,8,7 and 1 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1097871-14:
(9*1)+(8*0)+(7*9)+(6*7)+(5*8)+(4*7)+(3*1)+(2*1)+(1*4)=191
191 % 10 = 1
So 1097871-14-1 is a valid CAS Registry Number.