17864-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 17864-84-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,7,8,6 and 4 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 17864-84:
(7*1)+(6*7)+(5*8)+(4*6)+(3*4)+(2*8)+(1*4)=145
145 % 10 = 5
So 17864-84-5 is a valid CAS Registry Number.