26979-28-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26979-28-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,7 and 9 respectively; the second part has 2 digits, 2 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 26979-28:
(7*2)+(6*6)+(5*9)+(4*7)+(3*9)+(2*2)+(1*8)=162
162 % 10 = 2
So 26979-28-2 is a valid CAS Registry Number.