940307-81-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940307-81-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,3,0 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 940307-81:
(8*9)+(7*4)+(6*0)+(5*3)+(4*0)+(3*7)+(2*8)+(1*1)=153
153 % 10 = 3
So 940307-81-3 is a valid CAS Registry Number.