1055917-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1055917-19-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,5,9,1 and 7 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1055917-19:
(9*1)+(8*0)+(7*5)+(6*5)+(5*9)+(4*1)+(3*7)+(2*1)+(1*9)=155
155 % 10 = 5
So 1055917-19-5 is a valid CAS Registry Number.