90227-61-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90227-61-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,2,2 and 7 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 90227-61:
(7*9)+(6*0)+(5*2)+(4*2)+(3*7)+(2*6)+(1*1)=115
115 % 10 = 5
So 90227-61-5 is a valid CAS Registry Number.