85-24-5 Usage
Preparation
preparation by reaction of octyl bromide with 2,2′,4-tri-hydroxybenzophenone,in the presence of potassium carbonate (50%) ;in the presence of sodium carbonate in refluxing dilute ethanol.
Check Digit Verification of cas no
The CAS Registry Mumber 85-24-5 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 8 and 5 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 85-24:
(4*8)+(3*5)+(2*2)+(1*4)=55
55 % 10 = 5
So 85-24-5 is a valid CAS Registry Number.