20843-96-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20843-96-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,8,4 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 20843-96:
(7*2)+(6*0)+(5*8)+(4*4)+(3*3)+(2*9)+(1*6)=103
103 % 10 = 3
So 20843-96-3 is a valid CAS Registry Number.