90400-72-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90400-72-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,0 and 0 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90400-72:
(7*9)+(6*0)+(5*4)+(4*0)+(3*0)+(2*7)+(1*2)=99
99 % 10 = 9
So 90400-72-9 is a valid CAS Registry Number.