3243-97-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 3243-97-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,2,4 and 3 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 3243-97:
(6*3)+(5*2)+(4*4)+(3*3)+(2*9)+(1*7)=78
78 % 10 = 8
So 3243-97-8 is a valid CAS Registry Number.