20649-24-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20649-24-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,4 and 9 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 20649-24:
(7*2)+(6*0)+(5*6)+(4*4)+(3*9)+(2*2)+(1*4)=95
95 % 10 = 5
So 20649-24-5 is a valid CAS Registry Number.