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Anybody want a huge short path head?
At first I thought, how big can it be, but that is a big boy. For $50, not a bad deal, although it ...
28-3-2020 at 16:31
by: Dr.Bob
Science equipment looking for a home
Not as relevant as a gas mask right now, but I got a few Rotovap motors fixed (with a great deal of ...
27-3-2020 at 12:48
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
Here are some of the routes to hydroxychloroquine
26-3-2020 at 09:18
by: Dr.Bob
Synthesis of pure esters from long-chain alcohols using Fischer esterification
My solution has been to use an excess of the acid if possible, and then just work up and push the e ...
25-3-2020 at 05:50
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
There are a number of places looking at both chloroquine and hydrochloroquine as part of their CV th ...
23-3-2020 at 16:35
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
You would be surprised how many times new routes to compounds have come from small companies or indi ...
21-3-2020 at 06:52
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
There are a few theories in the papers I saw, and there are new ones every day, but that is out of m ...
20-3-2020 at 17:46
by: Dr.Bob
A theoretical total synthesis of chloroquine I thought up this afternoon
It is a reasonable route to consider. In step 3, 7-chloro-4-hydroxyquinolin, you are missing the k ...
19-3-2020 at 18:35
by: Dr.Bob
Better synthesis route to Favipiravir anyone?
That's a great example of some ideas. I am curious to look at the des-fluoro, as there are some ne ...
19-3-2020 at 15:13
by: Dr.Bob
Better synthesis route to Favipiravir anyone?
The drug Favipiravir is reported to be useful in treating coronacirus, according to public reports, ...
19-3-2020 at 08:54
by: Dr.Bob
Custom milled heating blocks
I have a few random blocks like this for or from various heating blocks, hotplates, and other places ...
16-3-2020 at 17:19
by: Dr.Bob
Aluminum Powder of Specific Sizes
Check in the energetics thread, they might know better. Technically can't buy more than a pound pe ...
14-3-2020 at 14:10
by: Dr.Bob
Separating a Mixture of 1-Octanol and Octyl Acetate
If you wash the mix with sat'd NaHCO3, it will help remove any traces of acetic or sulfuric acid, wh ...
12-3-2020 at 17:45
by: Dr.Bob
PdCl2 for sale
It might be helpful to say where you are located and shipping to, I might assume the US, but not alw ...
11-3-2020 at 07:52
by: Dr.Bob
Ester synthesis
simple methyl and ethyl esters are easy to make with HCl, H2SO4, or toslic acid as a catalyst. Usu ...
11-3-2020 at 07:51
by: Dr.Bob
Original Jack Roberts compounds
Neat find. I always want to save everything like that until I realize I have nowhere to put it all ...
9-3-2020 at 17:40
by: Dr.Bob
Need to get water out of denatured ethanol
I have heard that 3A Mol Sieves and aluminum oxide are both good for drying ethanol. They can both ...
6-3-2020 at 18:18
by: Dr.Bob
Accuracy of cheap volumetric flasks ?
The effect of the temperature on the density and the glass volume is almost as much as any variation ...
6-3-2020 at 18:16
by: Dr.Bob
Acrylic acid/methyl acrylate via sandmeyer
Acrylates are quite reactive and can polymerize or react further easily in many cases, so in many ca ...
5-3-2020 at 08:21
by: Dr.Bob
chinese 500 ml heating mantle issue
The specs for rb flasks are pretty common and similar, and even Chinese made rbfs seem to be pretty ...
5-3-2020 at 08:16
by: Dr.Bob
Starter reagents for Organic Chemistry
Doing some practical or useful experiments was fun for me when I started. I still like it.

Maki ...
29-2-2020 at 19:14
by: Dr.Bob
Science equipment looking for a home
I finally got Glas Col to answer the phone and they said that this is an older plug that has not bee ...
27-2-2020 at 15:50
by: Dr.Bob
Legality of Solid Fuels
In the US you are limited to buying only 1 pound per year of chlorates and perchlorates for personal ...
27-2-2020 at 11:24
by: Dr.Bob
Looking to trade for or purchase Hung’s base (DIPEA)
Where are you located? That makes a huge difference.
27-2-2020 at 10:38
by: Dr.Bob
Science equipment looking for a home
I wanted to update people on a few areas of glassware. I get a lot of inquiries, and try to answer ...
25-2-2020 at 18:55
by: Dr.Bob
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