300730-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 300730-19-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,0,7,3 and 0 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 300730-19:
(8*3)+(7*0)+(6*0)+(5*7)+(4*3)+(3*0)+(2*1)+(1*9)=82
82 % 10 = 2
So 300730-19-2 is a valid CAS Registry Number.