1744-23-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1744-23-6 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, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1744-23:
(6*1)+(5*7)+(4*4)+(3*4)+(2*2)+(1*3)=76
76 % 10 = 6
So 1744-23-6 is a valid CAS Registry Number.