179392-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179392-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,3,9 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 179392-98:
(8*1)+(7*7)+(6*9)+(5*3)+(4*9)+(3*2)+(2*9)+(1*8)=194
194 % 10 = 4
So 179392-98-4 is a valid CAS Registry Number.