28509-36-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28509-36-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,5,0 and 9 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 28509-36:
(7*2)+(6*8)+(5*5)+(4*0)+(3*9)+(2*3)+(1*6)=126
126 % 10 = 6
So 28509-36-6 is a valid CAS Registry Number.