90993-43-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90993-43-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,9 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 90993-43:
(7*9)+(6*0)+(5*9)+(4*9)+(3*3)+(2*4)+(1*3)=164
164 % 10 = 4
So 90993-43-4 is a valid CAS Registry Number.