17822-64-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17822-64-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,2 and 2 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17822-64:
(7*1)+(6*7)+(5*8)+(4*2)+(3*2)+(2*6)+(1*4)=119
119 % 10 = 9
So 17822-64-9 is a valid CAS Registry Number.