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Triethylamine is prepared by the alkylation of ammonia with ethanol: [10]. NH 3 + 3 C 2 H 5 OH → N(C 2 H 5) 3 + 3 H 2 O. The pK a of protonated triethylamine is 10.75, [4] and it can be used to prepare buffer solutions at that pH.
CAS Number InChIKey Descriptors 0 C 12 H 10: ... 55720-44-0 GBUCDGDROYMOAN-UHFFFAOYSA-N CP1, 2M 24 C 12 H 7 Cl 3: ... 121 C 12 H 5 Cl 5:
Screenshot of the CAS Common Chemistry database with information about caffeine ().. A CAS Registry Number [1] (also referred to as CAS RN [2] or informally CAS Number) is a unique identification number, assigned by the Chemical Abstracts Service (CAS) in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry.
CAS number C 10 H 16 N 2 O 8: Ethylenediaminetetraacetic acid (EDTA) 6381–92–6 C 12 H 22 O 11: sucrose: 57–50–1 C 18 H 29 O 3 S: sodium dodecyl benzenesulfonate: 2155–30–0 C 20 H 25 N 30: Lysergic acid diethylamide (LSD) 50–37–3 C 123 H 193 N 35 O 37: Common serum albumin (macromolecule) 9048–49–1 Ca(AlH 4) 2: calcium ...
CAS registry number / blend name; ... R-121: 1,1,2,2-Tetrachloro-1-fluoroethane: C 2 HFCl 4: 354-14-3: ... 134237-44-8: 0.003–0.03 [15] 132.5 [7] HCFC:
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Tetrakis(triphenylphosphine)palladium(0), copper(I) iodide, triethylamine, and vinyl bromide are added to (7) to add two more carbons and form (8). The final step is the addition of an activated zinc compound to reduce the triple carbon bond to form the cis product, ( S )-pyrethrolone ( 9 ).
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