303794-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 303794-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,3,7,9 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 303794-70:
(8*3)+(7*0)+(6*3)+(5*7)+(4*9)+(3*4)+(2*7)+(1*0)=139
139 % 10 = 9
So 303794-70-9 is a valid CAS Registry Number.