342426-04-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342426-04-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,4,2 and 6 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 342426-04:
(8*3)+(7*4)+(6*2)+(5*4)+(4*2)+(3*6)+(2*0)+(1*4)=114
114 % 10 = 4
So 342426-04-4 is a valid CAS Registry Number.