264226-81-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 264226-81-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,2,2 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 264226-81:
(8*2)+(7*6)+(6*4)+(5*2)+(4*2)+(3*6)+(2*8)+(1*1)=135
135 % 10 = 5
So 264226-81-5 is a valid CAS Registry Number.