40237-78-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40237-78-3 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 7 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40237-78:
(7*4)+(6*0)+(5*2)+(4*3)+(3*7)+(2*7)+(1*8)=93
93 % 10 = 3
So 40237-78-3 is a valid CAS Registry Number.