902258-97-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 902258-97-3 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 8 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 902258-97:
(8*9)+(7*0)+(6*2)+(5*2)+(4*5)+(3*8)+(2*9)+(1*7)=163
163 % 10 = 3
So 902258-97-3 is a valid CAS Registry Number.