202923-80-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 202923-80-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,2,9,2 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 202923-80:
(8*2)+(7*0)+(6*2)+(5*9)+(4*2)+(3*3)+(2*8)+(1*0)=106
106 % 10 = 6
So 202923-80-6 is a valid CAS Registry Number.