1533431-94-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1533431-94-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,3,4,3 and 1 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1533431-94:
(9*1)+(8*5)+(7*3)+(6*3)+(5*4)+(4*3)+(3*1)+(2*9)+(1*4)=145
145 % 10 = 5
So 1533431-94-5 is a valid CAS Registry Number.