73870-80-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73870-80-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,7 and 0 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 73870-80:
(7*7)+(6*3)+(5*8)+(4*7)+(3*0)+(2*8)+(1*0)=151
151 % 10 = 1
So 73870-80-1 is a valid CAS Registry Number.