143896-43-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 143896-43-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,9 and 6 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 143896-43:
(8*1)+(7*4)+(6*3)+(5*8)+(4*9)+(3*6)+(2*4)+(1*3)=159
159 % 10 = 9
So 143896-43-9 is a valid CAS Registry Number.