202477-16-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202477-16-5 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 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 202477-16:
(8*2)+(7*0)+(6*2)+(5*4)+(4*7)+(3*7)+(2*1)+(1*6)=105
105 % 10 = 5
So 202477-16-5 is a valid CAS Registry Number.