1201798-80-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1201798-80-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,1,7,9 and 8 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1201798-80:
(9*1)+(8*2)+(7*0)+(6*1)+(5*7)+(4*9)+(3*8)+(2*8)+(1*0)=142
142 % 10 = 2
So 1201798-80-2 is a valid CAS Registry Number.