13744-84-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 13744-84-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,3,7,4 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 13744-84:
(7*1)+(6*3)+(5*7)+(4*4)+(3*4)+(2*8)+(1*4)=108
108 % 10 = 8
So 13744-84-8 is a valid CAS Registry Number.