202119-41-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202119-41-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,1,1 and 9 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 202119-41:
(8*2)+(7*0)+(6*2)+(5*1)+(4*1)+(3*9)+(2*4)+(1*1)=73
73 % 10 = 3
So 202119-41-3 is a valid CAS Registry Number.