28562-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28562-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,6 and 2 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28562-86:
(7*2)+(6*8)+(5*5)+(4*6)+(3*2)+(2*8)+(1*6)=139
139 % 10 = 9
So 28562-86-9 is a valid CAS Registry Number.