17422-59-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17422-59-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,4,2 and 2 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 17422-59:
(7*1)+(6*7)+(5*4)+(4*2)+(3*2)+(2*5)+(1*9)=102
102 % 10 = 2
So 17422-59-2 is a valid CAS Registry Number.