93909-52-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93909-52-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,0 and 9 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 93909-52:
(7*9)+(6*3)+(5*9)+(4*0)+(3*9)+(2*5)+(1*2)=165
165 % 10 = 5
So 93909-52-5 is a valid CAS Registry Number.