1243217-02-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1243217-02-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,2,1 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1243217-02:
(9*1)+(8*2)+(7*4)+(6*3)+(5*2)+(4*1)+(3*7)+(2*0)+(1*2)=108
108 % 10 = 8
So 1243217-02-8 is a valid CAS Registry Number.