40236-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40236-93-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,2,3 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 40236-93:
(7*4)+(6*0)+(5*2)+(4*3)+(3*6)+(2*9)+(1*3)=89
89 % 10 = 9
So 40236-93-9 is a valid CAS Registry Number.