70345-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70345-80-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,3,4 and 5 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70345-80:
(7*7)+(6*0)+(5*3)+(4*4)+(3*5)+(2*8)+(1*0)=111
111 % 10 = 1
So 70345-80-1 is a valid CAS Registry Number.