900452-54-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 900452-54-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,0,4,5 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 900452-54:
(8*9)+(7*0)+(6*0)+(5*4)+(4*5)+(3*2)+(2*5)+(1*4)=132
132 % 10 = 2
So 900452-54-2 is a valid CAS Registry Number.