179864-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179864-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,8,6 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 179864-66:
(8*1)+(7*7)+(6*9)+(5*8)+(4*6)+(3*4)+(2*6)+(1*6)=205
205 % 10 = 5
So 179864-66-5 is a valid CAS Registry Number.