1313741-43-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1313741-43-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,3,7,4 and 1 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1313741-43:
(9*1)+(8*3)+(7*1)+(6*3)+(5*7)+(4*4)+(3*1)+(2*4)+(1*3)=123
123 % 10 = 3
So 1313741-43-3 is a valid CAS Registry Number.