1055040-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1055040-20-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,0,4 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1055040-20:
(9*1)+(8*0)+(7*5)+(6*5)+(5*0)+(4*4)+(3*0)+(2*2)+(1*0)=94
94 % 10 = 4
So 1055040-20-4 is a valid CAS Registry Number.