90323-83-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90323-83-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,3,2 and 3 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90323-83:
(7*9)+(6*0)+(5*3)+(4*2)+(3*3)+(2*8)+(1*3)=114
114 % 10 = 4
So 90323-83-4 is a valid CAS Registry Number.