1243724-79-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1243724-79-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,7,2 and 4 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1243724-79:
(9*1)+(8*2)+(7*4)+(6*3)+(5*7)+(4*2)+(3*4)+(2*7)+(1*9)=149
149 % 10 = 9
So 1243724-79-9 is a valid CAS Registry Number.