50409-13-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 50409-13-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,0,4,0 and 9 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 50409-13:
(7*5)+(6*0)+(5*4)+(4*0)+(3*9)+(2*1)+(1*3)=87
87 % 10 = 7
So 50409-13-7 is a valid CAS Registry Number.