243448-17-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 243448-17-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,3,4,4 and 8 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 243448-17:
(8*2)+(7*4)+(6*3)+(5*4)+(4*4)+(3*8)+(2*1)+(1*7)=131
131 % 10 = 1
So 243448-17-1 is a valid CAS Registry Number.