940290-21-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 940290-21-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,0,2,9 and 0 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 940290-21:
(8*9)+(7*4)+(6*0)+(5*2)+(4*9)+(3*0)+(2*2)+(1*1)=151
151 % 10 = 1
So 940290-21-1 is a valid CAS Registry Number.