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Tosyl group (blue) with a generic "R" group attached Tosylate group with a generic "R" group attached. Note the extra oxygen, compared to plain tosyl. In organic chemistry, a toluenesulfonyl group (tosyl group, abbreviated Ts or Tos [nb 1]) is a univalent functional group with the chemical formula −SO 2 −C 6 H 4 −CH 3.
Tosylamide/formaldehyde resin (TSFR) is a polymeric resin used as a plasticizer and secondary film-forming agent in nail polishes. While it was still in use as of 2023, [update] its use has been diminishing in favor of hypoallergenic alternatives, due to the prevalence of reactions causing allergic contact dermatitis of the eyelids , face, and ...
The Stetter reaction is a reaction used in organic chemistry to form carbon-carbon bonds through a 1,4-addition reaction utilizing a nucleophilic catalyst. [1] While the related 1,2-addition reaction, the benzoin condensation, was known since the 1830s, the Stetter reaction was not reported until 1973 by Dr. Hermann Stetter. [2]
A new Clean Label Project report suggests some protein powders contain heavy metals lead and cadmium. See which ones are safe here, plus what an expert advises.
During World War II, as part of the Grün 3 program, a plant for the manufacture of tabun was established at Dyhernfurth (now Brzeg Dolny, Poland), in 1939. [22] Run by Anorgana GmbH, the plant began production of the substance in 1942. [22] The reason for the delay was the extreme precautions used by the plant. [22]
However, according to the U.S. Department of Agriculture's FoodData Central database, as of a few years ago, more than 8,000 branded food products still contained Red Dye No. 3. Common food ...
SR9009, also known as Stenabolic, is a research drug that was developed by professor Thomas Burris of the Scripps Research Institute as an agonist of Rev-ErbA (i.e., increases the constitutive repression of genes regulated by Rev-ErbA) [1] with a half-maximum inhibitory concentration (IC 50) = 670 nM for Rev-ErbAα and IC 50 = 800 nM for Rev-ErbAβ. [2]
Which drinks have red dye No. 3? As with candies, many drink companies have already shifted to using red dye No.40 or natural dyes. But these drinks currently contain red dye No.3: