428465-30-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 428465-30-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,2,8,4,6 and 5 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 428465-30:
(8*4)+(7*2)+(6*8)+(5*4)+(4*6)+(3*5)+(2*3)+(1*0)=159
159 % 10 = 9
So 428465-30-9 is a valid CAS Registry Number.