Does anybody know where I can buy Ethyl 2-amino-4-methyl-5-phenylthiophene-3-carboxylate (CAS 4815-38-7)? We need 2kg of this compound.
Enamine has it, follow the link below. For other vendors type in the CAS number on the search bar at ChemExper in the 2nd link.
https://www.enaminestore.com/catalog/EN300-06910?&referrer=chemexper
https://www.chemexper.com/
Hi,
You can buy it at Alfa Chemistry, the link is below:
http://www.alfa-chemistry.com/cas_4815-38-7.htm
How shoud I switch off a rotary vane pump? Should I initially turn off the pump and then open the shutter to normalize the pressure? Or the order of the actions should be vice versa?
07 August 2019 3,249 3 View
Which type of bonds is more preferable when drawing chiral centers? Wedged and hashed wedged/hollow wedged bonds or bold and hashed bonds?
02 March 2018 4,348 1 View
How should one name an 1,3-dicarbonyl compound existing in enol form? According to IUPAC, should it be named as 1,3-dione or 3-hydroxy-2-en-1-one?
01 February 2018 4,525 0 View
I optimized two diastereomers in GAUSSIAN and got two values of total energy. So, I need to decide are these diastereomers energetically equal or one of them is more preferable termodinamically....
05 June 2017 274 5 View
What compound does result from Lawesson's Reagent after it thiolates smth?
10 November 2016 3,256 2 View
How to obtain dry DMF saturated with dry HCl?
09 October 2016 1,203 4 View
Does anybody have experience in ordering chemicals from Star Synthesis Co., Ltd? What was their contact information?
05 June 2016 4,722 1 View
Does anybody have experience in ordering chemicals from Shanghai Systeam BioChem.,CO Ltd? What was their contact information?
05 June 2016 3,260 1 View
Are there any examples of Diels-Alder reaction in which carboxyl group (in acids or esters) acts as a part of a dien or a dienophile? What are the reasons of its inactivity in this reaction?
31 December 2014 2,512 3 View
Is There Any Feasible Method To Test The Efficiency Of Fluorescent Compounds Other Than UV Spectrometers ? Suggestions Would Be Appreciated !
02 March 2021 5,785 3 View
Hi all, I need to cleave the ester in Ethyl 2-amino-1H-imidazole-5-carboxylate to make the carboxylic acid and retrieve the product from solution to use in downstream applications of linking to...
01 March 2021 8,766 3 View
I am going to have 3 different probes in my qPCR work that I am going to do. But I realized that the machine we have in the lab is a Rotor-Gene Q 2plex HRM Platform, saying it has green, yellow,...
01 March 2021 8,544 1 View
I want to build a low-cost polarimeter to study circular dichroism (chirality). What type of samples can I use? I am looking for samples that can be found outside the laboratory.
01 March 2021 9,101 3 View
Hi all, I have been working on the quantification of chitin in insect samples and feed for a while but I can notice that the quantification methods (e.g. exposure to HCl, NaOH, and weighing sample...
01 March 2021 1,843 2 View
Can anyone identify what kind of Schistosome species this might be? Morphological features of cercariae and adults resemble Trichobilharzia, though I am fairly new to the field of parasitology...
25 February 2021 7,760 6 View
I am required to learn about Flyback converters and I got stuck not knowing to full design of the power supply flyback converter Based USB Charger Model using Simulink, especially the design model...
25 February 2021 5,435 2 View
I am thinking of electrifying the street food carts while harvesting energy using solar panels on top.
22 February 2021 4,323 3 View
I am doing a proposal for a research entitled 'GRAIN YIELD AND QUALITY RESPONSES OF WHEAT GENOTYPES UNDER CO2 ENRICHMENT AND EXTREME EVENTS' I will be using climate chamber and I would like to...
18 February 2021 6,494 4 View
Can anyone recommend some any software/models available that can predict substance reactivities and the reaction yield under a specific set of reaction conditions process and proposing pathways to...
17 February 2021 2,383 3 View