149223-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 149223-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,9,2,2 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 149223-66:
(8*1)+(7*4)+(6*9)+(5*2)+(4*2)+(3*3)+(2*6)+(1*6)=135
135 % 10 = 5
So 149223-66-5 is a valid CAS Registry Number.