909270-40-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909270-40-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,2,7 and 0 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 909270-40:
(8*9)+(7*0)+(6*9)+(5*2)+(4*7)+(3*0)+(2*4)+(1*0)=172
172 % 10 = 2
So 909270-40-2 is a valid CAS Registry Number.