134202-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134202-80-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,0 and 2 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 134202-80:
(8*1)+(7*3)+(6*4)+(5*2)+(4*0)+(3*2)+(2*8)+(1*0)=85
85 % 10 = 5
So 134202-80-5 is a valid CAS Registry Number.