454234-70-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 454234-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,5,4,2,3 and 4 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 454234-70:
(8*4)+(7*5)+(6*4)+(5*2)+(4*3)+(3*4)+(2*7)+(1*0)=139
139 % 10 = 9
So 454234-70-9 is a valid CAS Registry Number.