928-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 928-86-9 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,2 and 8 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 928-86:
(5*9)+(4*2)+(3*8)+(2*8)+(1*6)=99
99 % 10 = 9
So 928-86-9 is a valid CAS Registry Number.