1401431-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1401431-13-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,0,1,4,3 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1401431-13:
(9*1)+(8*4)+(7*0)+(6*1)+(5*4)+(4*3)+(3*1)+(2*1)+(1*3)=87
87 % 10 = 7
So 1401431-13-7 is a valid CAS Registry Number.