1345121-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1345121-80-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,4,5,1,2 and 1 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1345121-80:
(9*1)+(8*3)+(7*4)+(6*5)+(5*1)+(4*2)+(3*1)+(2*8)+(1*0)=123
123 % 10 = 3
So 1345121-80-3 is a valid CAS Registry Number.