264143-53-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 264143-53-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,4,1,4 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 264143-53:
(8*2)+(7*6)+(6*4)+(5*1)+(4*4)+(3*3)+(2*5)+(1*3)=125
125 % 10 = 5
So 264143-53-5 is a valid CAS Registry Number.