1097210-49-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1097210-49-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,9,7,2,1 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1097210-49:
(9*1)+(8*0)+(7*9)+(6*7)+(5*2)+(4*1)+(3*0)+(2*4)+(1*9)=145
145 % 10 = 5
So 1097210-49-5 is a valid CAS Registry Number.