1055980-11-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1055980-11-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,9,8 and 0 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1055980-11:
(9*1)+(8*0)+(7*5)+(6*5)+(5*9)+(4*8)+(3*0)+(2*1)+(1*1)=154
154 % 10 = 4
So 1055980-11-4 is a valid CAS Registry Number.