130434-80-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 130434-80-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,0,4,3 and 4 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 130434-80:
(8*1)+(7*3)+(6*0)+(5*4)+(4*3)+(3*4)+(2*8)+(1*0)=89
89 % 10 = 9
So 130434-80-9 is a valid CAS Registry Number.