22779-54-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22779-54-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,7,7 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 22779-54:
(7*2)+(6*2)+(5*7)+(4*7)+(3*9)+(2*5)+(1*4)=130
130 % 10 = 0
So 22779-54-0 is a valid CAS Registry Number.