81264-19-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81264-19-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,2,6 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81264-19:
(7*8)+(6*1)+(5*2)+(4*6)+(3*4)+(2*1)+(1*9)=119
119 % 10 = 9
So 81264-19-9 is a valid CAS Registry Number.