301812-54-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 301812-54-4 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 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 301812-54:
(8*3)+(7*0)+(6*1)+(5*8)+(4*1)+(3*2)+(2*5)+(1*4)=94
94 % 10 = 4
So 301812-54-4 is a valid CAS Registry Number.