178941-13-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178941-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,9,4 and 1 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 178941-13:
(8*1)+(7*7)+(6*8)+(5*9)+(4*4)+(3*1)+(2*1)+(1*3)=174
174 % 10 = 4
So 178941-13-4 is a valid CAS Registry Number.