240143-65-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 240143-65-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,1,4 and 3 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 240143-65:
(8*2)+(7*4)+(6*0)+(5*1)+(4*4)+(3*3)+(2*6)+(1*5)=91
91 % 10 = 1
So 240143-65-1 is a valid CAS Registry Number.