194807-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 194807-80-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,9,4,8,0 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 194807-80:
(8*1)+(7*9)+(6*4)+(5*8)+(4*0)+(3*7)+(2*8)+(1*0)=172
172 % 10 = 2
So 194807-80-2 is a valid CAS Registry Number.