134030-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134030-80-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,0,3 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 134030-80:
(8*1)+(7*3)+(6*4)+(5*0)+(4*3)+(3*0)+(2*8)+(1*0)=81
81 % 10 = 1
So 134030-80-1 is a valid CAS Registry Number.