19493-24-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19493-24-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,4,9 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19493-24:
(7*1)+(6*9)+(5*4)+(4*9)+(3*3)+(2*2)+(1*4)=134
134 % 10 = 4
So 19493-24-4 is a valid CAS Registry Number.