91347-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91347-24-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,3,4 and 7 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 91347-24:
(7*9)+(6*1)+(5*3)+(4*4)+(3*7)+(2*2)+(1*4)=129
129 % 10 = 9
So 91347-24-9 is a valid CAS Registry Number.