90416-18-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90416-18-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,4,1 and 6 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 90416-18:
(7*9)+(6*0)+(5*4)+(4*1)+(3*6)+(2*1)+(1*8)=115
115 % 10 = 5
So 90416-18-5 is a valid CAS Registry Number.