79722-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79722-42-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,7,2 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 79722-42:
(7*7)+(6*9)+(5*7)+(4*2)+(3*2)+(2*4)+(1*2)=162
162 % 10 = 2
So 79722-42-2 is a valid CAS Registry Number.