1243529-24-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1243529-24-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,5,2 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1243529-24:
(9*1)+(8*2)+(7*4)+(6*3)+(5*5)+(4*2)+(3*9)+(2*2)+(1*4)=139
139 % 10 = 9
So 1243529-24-9 is a valid CAS Registry Number.