297157-47-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 297157-47-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,9,7,1,5 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 297157-47:
(8*2)+(7*9)+(6*7)+(5*1)+(4*5)+(3*7)+(2*4)+(1*7)=182
182 % 10 = 2
So 297157-47-2 is a valid CAS Registry Number.