342431-36-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342431-36-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,4,3 and 1 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 342431-36:
(8*3)+(7*4)+(6*2)+(5*4)+(4*3)+(3*1)+(2*3)+(1*6)=111
111 % 10 = 1
So 342431-36-1 is a valid CAS Registry Number.