22739-42-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22739-42-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,3 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 22739-42:
(7*2)+(6*2)+(5*7)+(4*3)+(3*9)+(2*4)+(1*2)=110
110 % 10 = 0
So 22739-42-0 is a valid CAS Registry Number.