179930-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 179930-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,9,3 and 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 179930-43:
(8*1)+(7*7)+(6*9)+(5*9)+(4*3)+(3*0)+(2*4)+(1*3)=179
179 % 10 = 9
So 179930-43-9 is a valid CAS Registry Number.