1781044-00-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1781044-00-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,7,8,1,0,4 and 4 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1781044-00:
(9*1)+(8*7)+(7*8)+(6*1)+(5*0)+(4*4)+(3*4)+(2*0)+(1*0)=155
155 % 10 = 5
So 1781044-00-5 is a valid CAS Registry Number.