Building Blocks

<p>Applications 9-cis-Retinyl Stearate-d5, is the labeled analogue of 9-cis-Retinyl Stearate (R275600), a fatty acid ester of Retinol isomer, found mainly in the retina.<br>References Bridges, C.D.B., et al.: Methods Enzymol., 81, 463 (1982),<br></p>

<p>Applications Antimicrobial.<br>References Yamada, R., et al.: Biosci. Biotechnol. Biochem., 70, 54 (2006), Mohamed, R., et al.: J. Agric. Food Chem., 56, 3500 (2008), Leitsch, D., et al.: Mol. Microbiol., 72, 518 (2009),<br></p>

<p>Applications Ropinirole Methylene Dimer is an impurity of Ropinirole (R641000(P)), which is an antiparkinsonian agent &amp; a selective dopamine D2-receptor agonist.<br>References Singh, S., et al.: Int. J. PharmTech Res., 5, 431 (2013), Eden, R.J., et al.: Pharmacol. Biochem. Behav., 38, 147 (1991), Rascol, O., et al.: Mov. Disord., 13, 39 (1998)<br></p>

<p>Applications 2-Methylpropylboronic Acid is used in the preparation of isocoumarin analogs as inhibitors of γ-secretase cleavage. Also used in the preparation of peptide boronc acid.<br>References Peuchmaur, M. et al.: Bioorg. Med. Chem. Lett., 21, 1018 (2013); Roemmele, R. et al.: Org. Proc. Res. Devel., 17, 422 (2013);<br></p>

<p>Applications 4′-Methylpropiophenone is a chemical reagent used in electrocarboxylation reactions.<br>References Zhang, K. et al.: Chin. J. Chem., 28, 509 (2010); Zhao, S. et al.: Tetra. Lett., 52, 2702 (2011);<br></p>

<p>Applications Methyl thiocyanate is a reagent that is used in the synthesis of WAK 4103 (W498200), which is a metabolite of Imidacloprid (I274990), a neonicotinoid; the active ingredient in certain neuro-active insecticides. Reports show that when exposed to neonicotinid pesticides honeybees have probelms returnign home after foraging and bumblebee colonies grow poorly and produce fewer queens.Nauen, R., et. al.: Pestic. Sci., 55, 265 (1999); Chauzat, M., et al.: Env. Entomol., 38, 514 (2009); Patial, A., et al.: Env. Ecol., 27, 320 (2009); Fernandez-Bayo, J., et al.: J. Agric., Food Chem., 57, 5435 (2009); Tomizawa, M., et al.: J. Med. Chem., 52, 3735 (2009); Chem. and Eng. News 90: 10 (2012)<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Nauen, R., et. al.: Pestic. Sci., 55, 265 (1999); Chauzat, M., et al.: Env. Entomol., 38, 514 (2009); Patial, A., et al.: Env. Ecol., 27, 320 (2009); Fernandez-Bayo, J., et al.: J. Agric., Food Chem., 57, 5435 (2009); Tomizawa, M., et al.: J. Med. Chem., 52, 3735 (2009); Chem. and Eng. News 90: 10 (2012)<br></p>

<p>Applications Triethyl Orthobenzoate can be used as a thermal additive to air conditioning refrigerant oil. This compound can also be used as a catalyst for olefin polymerization.<br>References Appler. R., et.al., U.S.Pat.Appl.Publ., 11,(2019); Zhang, T., et.al., Faming Zhuanli Shenqing,12,(2018);<br></p>

<p>Applications 3-Methyl-thiopropanal is used as an analytical standard for the quanitiative determination of 2-Furfurylthiol.<br> Not a dangerous good if item is equal to or less than 1g/ml and there is less than 100g/ml in the package<br>References Sen, A. and Grosch, W.: Z. lebensm Unters Forsch, 192, 541 (1991)<br></p>

<p>Applications N-​(4-​Methyl-​2-​thiazolyl)​-guanidine hydrochloride is the hydrochloride base salt of N-​(4-​Methyl-​2-​thiazolyl)​-guanidine which is used as a test compound for various studies involving permeability through the blood-​brain barrier.<br>References Bolboaca, S.D., et al.: Int. J. Mol. Sci., 12, 4348-64 (2011); Dureja, H., et al.: Acta Pharm. 57, 451-67 (2007); Fu, X., et al.: nt. J. Mol. Sci., 10, 737-50 (2005)<br></p>

<p>Applications 1,10-Decanedioic-2,2,9,9-d4 Acid (CAS# 339080-77-2) is a useful isotopically labeled research compound.<br></p>

<p>Applications 2-(4-methylphenyl)oxirane (cas# 13107-39-6) is a useful research chemical.<br></p>

<p>Applications para-Topolin can be used for biological study for evaluation of antioxidant activity and capacity of some natural N6-substituted adenine derivatives (cytokinins) by fluorimetric and spectrophotometric assays.<br>References Brizzolari, A., et al.: J. Chromatogr. B., 1019, 164-168 (2016)<br></p>

<p>Applications α,2,4-Trichloroacetophenone is a reagent used in the synthesis of isoconazole, a potent antifungal agent.<br>References Dulcevscaia, G. et al.: Polyhed., 52, 106 (2013); Wang, Y. et al.: Bioorg. Med. Chem. Lett., 22, 5363 (2012);<br></p>

<p>Applications A non detergent sulfobetaine used as a mild solubilizing and stabilizing agent for halophilic malate dehydrogenase, halophilic elongation factor Tu (hTu), pig heart malate dehydrogenase, chicken egg white lysozyme and E. coli beta-galactosidase. Preserves the antigenic conformation of serine protease gp76. Does not interfere with colorimetric assays using p-nitrophenylphosphate and o-nitrophenyl-b-D-galactopyranoside as substrates. Reduces aggregation and significantly improves protein renaturation. Zwitterionic over a wide pH range. Does not absorb significantly in the near-UV range. Can be easily removed by dialysis.This compound is suitable for malate dehydrogenase (MDH) related research.<br>References Vuillard, L., et al.: Anal. Biochem., 230, 290 (1995); Vuillard, L., et al.: FEBS Lett., 353, 294 (1995); Vuillard, L., et al.: Biochem. J., 305, 337 (1995); Goldberg, M.E., et al.: Folding &amp; Design, 1, 21 (1996).<br></p>