90866-96-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90866-96-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,6 and 6 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 90866-96:
(7*9)+(6*0)+(5*8)+(4*6)+(3*6)+(2*9)+(1*6)=169
169 % 10 = 9
So 90866-96-9 is a valid CAS Registry Number.