1243474-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1243474-55-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,4,7 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1243474-55:
(9*1)+(8*2)+(7*4)+(6*3)+(5*4)+(4*7)+(3*4)+(2*5)+(1*5)=146
146 % 10 = 6
So 1243474-55-6 is a valid CAS Registry Number.