91041-78-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 91041-78-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,1,0,4 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 91041-78:
(7*9)+(6*1)+(5*0)+(4*4)+(3*1)+(2*7)+(1*8)=110
110 % 10 = 0
So 91041-78-0 is a valid CAS Registry Number.