301658-04-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 301658-04-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,1,6,5 and 8 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 301658-04:
(8*3)+(7*0)+(6*1)+(5*6)+(4*5)+(3*8)+(2*0)+(1*4)=108
108 % 10 = 8
So 301658-04-8 is a valid CAS Registry Number.