84565-45-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 84565-45-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,5,6 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 84565-45:
(7*8)+(6*4)+(5*5)+(4*6)+(3*5)+(2*4)+(1*5)=157
157 % 10 = 7
So 84565-45-7 is a valid CAS Registry Number.