240138-15-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 240138-15-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,0,1,3 and 8 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 240138-15:
(8*2)+(7*4)+(6*0)+(5*1)+(4*3)+(3*8)+(2*1)+(1*5)=92
92 % 10 = 2
So 240138-15-2 is a valid CAS Registry Number.