19940-03-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19940-03-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,9,4 and 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 19940-03:
(7*1)+(6*9)+(5*9)+(4*4)+(3*0)+(2*0)+(1*3)=125
125 % 10 = 5
So 19940-03-5 is a valid CAS Registry Number.