76226-53-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76226-53-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,2,2 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 76226-53:
(7*7)+(6*6)+(5*2)+(4*2)+(3*6)+(2*5)+(1*3)=134
134 % 10 = 4
So 76226-53-4 is a valid CAS Registry Number.