279256-28-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 279256-28-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,9,2,5 and 6 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 279256-28:
(8*2)+(7*7)+(6*9)+(5*2)+(4*5)+(3*6)+(2*2)+(1*8)=179
179 % 10 = 9
So 279256-28-9 is a valid CAS Registry Number.