305794-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 305794-49-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,5,7,9 and 4 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 305794-49:
(8*3)+(7*0)+(6*5)+(5*7)+(4*9)+(3*4)+(2*4)+(1*9)=154
154 % 10 = 4
So 305794-49-4 is a valid CAS Registry Number.