301813-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 301813-19-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,1,8,1 and 3 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 301813-19:
(8*3)+(7*0)+(6*1)+(5*8)+(4*1)+(3*3)+(2*1)+(1*9)=94
94 % 10 = 4
So 301813-19-4 is a valid CAS Registry Number.