343947-80-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343947-80-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,9,4 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 343947-80:
(8*3)+(7*4)+(6*3)+(5*9)+(4*4)+(3*7)+(2*8)+(1*0)=168
168 % 10 = 8
So 343947-80-8 is a valid CAS Registry Number.