340040-89-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 340040-89-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,0,0,4 and 0 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 340040-89:
(8*3)+(7*4)+(6*0)+(5*0)+(4*4)+(3*0)+(2*8)+(1*9)=93
93 % 10 = 3
So 340040-89-3 is a valid CAS Registry Number.