343217-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 343217-96-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,3,2,1 and 7 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 343217-96:
(8*3)+(7*4)+(6*3)+(5*2)+(4*1)+(3*7)+(2*9)+(1*6)=129
129 % 10 = 9
So 343217-96-9 is a valid CAS Registry Number.