28067-81-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28067-81-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,6 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 28067-81:
(7*2)+(6*8)+(5*0)+(4*6)+(3*7)+(2*8)+(1*1)=124
124 % 10 = 4
So 28067-81-4 is a valid CAS Registry Number.