26946-55-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26946-55-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,4 and 6 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 26946-55:
(7*2)+(6*6)+(5*9)+(4*4)+(3*6)+(2*5)+(1*5)=144
144 % 10 = 4
So 26946-55-4 is a valid CAS Registry Number.