1744-11-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1744-11-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,4 and 4 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1744-11:
(6*1)+(5*7)+(4*4)+(3*4)+(2*1)+(1*1)=72
72 % 10 = 2
So 1744-11-2 is a valid CAS Registry Number.