93808-54-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93808-54-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,8,0 and 8 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 93808-54:
(7*9)+(6*3)+(5*8)+(4*0)+(3*8)+(2*5)+(1*4)=159
159 % 10 = 9
So 93808-54-9 is a valid CAS Registry Number.