902259-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 902259-20-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,2,2,5 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 902259-20:
(8*9)+(7*0)+(6*2)+(5*2)+(4*5)+(3*9)+(2*2)+(1*0)=145
145 % 10 = 5
So 902259-20-5 is a valid CAS Registry Number.