179242-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179242-98-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,2,4 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 179242-98:
(8*1)+(7*7)+(6*9)+(5*2)+(4*4)+(3*2)+(2*9)+(1*8)=169
169 % 10 = 9
So 179242-98-9 is a valid CAS Registry Number.