1374233-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1374233-23-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,7,4,2,3 and 3 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1374233-23:
(9*1)+(8*3)+(7*7)+(6*4)+(5*2)+(4*3)+(3*3)+(2*2)+(1*3)=144
144 % 10 = 4
So 1374233-23-4 is a valid CAS Registry Number.