22779-25-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 22779-25-5 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, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 22779-25:
(7*2)+(6*2)+(5*7)+(4*7)+(3*9)+(2*2)+(1*5)=125
125 % 10 = 5
So 22779-25-5 is a valid CAS Registry Number.