178180-79-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178180-79-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,1,8 and 0 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 178180-79:
(8*1)+(7*7)+(6*8)+(5*1)+(4*8)+(3*0)+(2*7)+(1*9)=165
165 % 10 = 5
So 178180-79-5 is a valid CAS Registry Number.