43122-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43122-57-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,1,2 and 2 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 43122-57:
(7*4)+(6*3)+(5*1)+(4*2)+(3*2)+(2*5)+(1*7)=82
82 % 10 = 2
So 43122-57-2 is a valid CAS Registry Number.