100143-29-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100143-29-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,1,4 and 3 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 100143-29:
(8*1)+(7*0)+(6*0)+(5*1)+(4*4)+(3*3)+(2*2)+(1*9)=51
51 % 10 = 1
So 100143-29-1 is a valid CAS Registry Number.