909546-84-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 909546-84-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,5,4 and 6 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 909546-84:
(8*9)+(7*0)+(6*9)+(5*5)+(4*4)+(3*6)+(2*8)+(1*4)=205
205 % 10 = 5
So 909546-84-5 is a valid CAS Registry Number.