202473-21-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202473-21-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,4,7 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 202473-21:
(8*2)+(7*0)+(6*2)+(5*4)+(4*7)+(3*3)+(2*2)+(1*1)=90
90 % 10 = 0
So 202473-21-0 is a valid CAS Registry Number.