30049-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 30049-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,0,0,4 and 9 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 30049-17:
(7*3)+(6*0)+(5*0)+(4*4)+(3*9)+(2*1)+(1*7)=73
73 % 10 = 3
So 30049-17-3 is a valid CAS Registry Number.