143815-53-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143815-53-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,1 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143815-53:
(8*1)+(7*4)+(6*3)+(5*8)+(4*1)+(3*5)+(2*5)+(1*3)=126
126 % 10 = 6
So 143815-53-6 is a valid CAS Registry Number.