902452-71-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 902452-71-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,2,4,5 and 2 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 902452-71:
(8*9)+(7*0)+(6*2)+(5*4)+(4*5)+(3*2)+(2*7)+(1*1)=145
145 % 10 = 5
So 902452-71-5 is a valid CAS Registry Number.