940312-40-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940312-40-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,3,1 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 940312-40:
(8*9)+(7*4)+(6*0)+(5*3)+(4*1)+(3*2)+(2*4)+(1*0)=133
133 % 10 = 3
So 940312-40-3 is a valid CAS Registry Number.