1309431-01-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1309431-01-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,0,9,4,3 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1309431-01:
(9*1)+(8*3)+(7*0)+(6*9)+(5*4)+(4*3)+(3*1)+(2*0)+(1*1)=123
123 % 10 = 3
So 1309431-01-3 is a valid CAS Registry Number.