90116-75-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90116-75-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,1 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 90116-75:
(7*9)+(6*0)+(5*1)+(4*1)+(3*6)+(2*7)+(1*5)=109
109 % 10 = 9
So 90116-75-9 is a valid CAS Registry Number.