178424-43-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 178424-43-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,4,2 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 178424-43:
(8*1)+(7*7)+(6*8)+(5*4)+(4*2)+(3*4)+(2*4)+(1*3)=156
156 % 10 = 6
So 178424-43-6 is a valid CAS Registry Number.