301331-70-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 301331-70-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,1,3,3 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 301331-70:
(8*3)+(7*0)+(6*1)+(5*3)+(4*3)+(3*1)+(2*7)+(1*0)=74
74 % 10 = 4
So 301331-70-4 is a valid CAS Registry Number.