80919-04-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80919-04-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,1 and 9 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80919-04:
(7*8)+(6*0)+(5*9)+(4*1)+(3*9)+(2*0)+(1*4)=136
136 % 10 = 6
So 80919-04-6 is a valid CAS Registry Number.