342409-07-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342409-07-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,4,0 and 9 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 342409-07:
(8*3)+(7*4)+(6*2)+(5*4)+(4*0)+(3*9)+(2*0)+(1*7)=118
118 % 10 = 8
So 342409-07-8 is a valid CAS Registry Number.