93949-80-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93949-80-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,4 and 9 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 93949-80:
(7*9)+(6*3)+(5*9)+(4*4)+(3*9)+(2*8)+(1*0)=185
185 % 10 = 5
So 93949-80-5 is a valid CAS Registry Number.