724744-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 724744-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,4,7,4 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 724744-52:
(8*7)+(7*2)+(6*4)+(5*7)+(4*4)+(3*4)+(2*5)+(1*2)=169
169 % 10 = 9
So 724744-52-9 is a valid CAS Registry Number.