20922-41-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20922-41-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,2 and 2 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20922-41:
(7*2)+(6*0)+(5*9)+(4*2)+(3*2)+(2*4)+(1*1)=82
82 % 10 = 2
So 20922-41-2 is a valid CAS Registry Number.