28306-85-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28306-85-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,0 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28306-85:
(7*2)+(6*8)+(5*3)+(4*0)+(3*6)+(2*8)+(1*5)=116
116 % 10 = 6
So 28306-85-6 is a valid CAS Registry Number.