297162-05-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 297162-05-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,1,6 and 2 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 297162-05:
(8*2)+(7*9)+(6*7)+(5*1)+(4*6)+(3*2)+(2*0)+(1*5)=161
161 % 10 = 1
So 297162-05-1 is a valid CAS Registry Number.