Does anybody know where I can buy Ethyl 2-amino-4-methyl-5-phenylthiophene-3-carboxylate (CAS 4815-38-7)?

More Ekaterina Stepanova's questions See All

How shoud one switch off a rotary vane pump?

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 3,353 3 View

Which type of bonds is more preferable when drawing chiral centers?

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 4,468 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 4,735 0 View

What difference in total energy (kcal/mol) is considered to be significant?

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 362 5 View

What compound does result from Lawesson's Reagent after it thiolates smth?

10 November 2016 3,350 2 View

How to obtain dry DMF saturated with dry HCl?

09 October 2016 1,310 4 View

Does anybody have experience in ordering chemicals from Star Synthesis Co., Ltd? What was their contact information?

05 June 2016 4,812 1 View

Does anybody have experience in ordering chemicals from Shanghai Systeam BioChem.,CO Ltd? What was their contact information?

05 June 2016 3,464 1 View

Why carboxyl group is inactive in Diels-Alder reaction?

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 2,602 3 View

Project/Experimental assistance ？?

Do experiments on behalf of Our Business: Laboratory animal rearing Animal modeling Experimental animal behavior detection, image ultrasonic detection, electrophysiology platform Organoid...

05 August 2024 5,829 1 View

Short Synthesis of Graphene Oxide from Natural Graphite Flakes?

I am in search of a modified Hummer's method, which can be used to synthesis graphene oxide within 6-8 hours. As I am a student it is not allowed for us to work after 5 in the laboratory. So I am...

01 August 2024 8,368 2 View

Can you recommend provider Intermediate laboratory test for hydrocarbon, polyethylene & polypropylene?

Accredited laboratory of JV "Uz-Kor Gas Chemical" LLC (Uzbekistan) is looking for providers to conduct interlaboratory comparison tests on gas chromatographic analysis of hydrocarbons (component...

25 July 2024 8,108 0 View

How are clinical and environmental yeast/fungal strains stored usually in mycology laboratories?

I understand a glycerol stock for long-term preservation would be ideal, but how are working cultures generally stored? Mainly concerning Candida spp. isolates. A few references mention that they...

22 July 2024 6,592 3 View

What does an additional peak in FTIR between 3100 and 3300 nm affect the quality of the material, benzethonium chloride USP??

I do not know much about FTIR! The material Benzethonium Chloride USP was compared to a reference standard in regards to FTIR, as per the USP testing: Identification B. Infrared absorption (FTIR),...

16 July 2024 6,918 7 View

How can we calculate the polygon scanner speed by changing the supply voltage?

I am using a polygon mirror scanner that have 6 facets and the dc brushless motor speed was given 10,000 RPM. Now I want to know how to calculate the polygon speed if I change the power supply...

11 July 2024 5,942 1 View

Used NIRS equipment?

Hello, Does anyone know where we could purchase a used NIRS system, for example, by Artinis or NIRx? Thank you. Greg

10 July 2024 8,325 0 View

What do you think are the key challenges that need to be addressed in the future development and application of these three devices?

Continuous glucose monitors (CGMs) help patients and doctors make more timely management decisions by monitoring blood glucose levels in real time. An insulin pump provides continuous insulin...

07 July 2024 7,742 0 View

How to troubleshoot error E1 on Biorad Powerpac Basic despite using sufficient and fresh buffer?

I have used this BIorad Powerpac Basic for 4 years now, before which it was used for another 5-6 years. Generally we addressed the E1 error by compensating with fresh buffer and/or filling the...

01 July 2024 7,104 1 View

How is supply chain transformation with blockchain deployment enhancing efficiency &effectiveness &blockchain supportsustainable supply chainstrategy?

How is supply chain transformation with blockchain deployment enhancing efficiency and effectiveness and blockchain support sustainable supply chain strategy?

30 June 2024 960 0 View

Bruce Levison

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/

Chen Jingwen

Hi,

You can buy it at Alfa Chemistry, the link is below:

http://www.alfa-chemistry.com/cas_4815-38-7.htm