177194-52-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 177194-52-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,7,1,9 and 4 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 177194-52:
(8*1)+(7*7)+(6*7)+(5*1)+(4*9)+(3*4)+(2*5)+(1*2)=164
164 % 10 = 4
So 177194-52-4 is a valid CAS Registry Number.