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  2. Triethylamine - Wikipedia

    en.wikipedia.org/wiki/Triethylamine

    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.

  3. List of CAS numbers by chemical compound - Wikipedia

    en.wikipedia.org/wiki/List_of_CAS_numbers_by...

    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 ...

  4. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    According to ASHRAE standard 34, the R-number of a chemical refrigerant is assigned systematically according to its molecular structure and has between two and four digits. If there are carbon -carbon multiple bonds , there are four digits in all: the number of these bonds is the first digit and the number of carbon atoms minus one (C-1) is next.

  5. CAS Registry Number - Wikipedia

    en.wikipedia.org/wiki/CAS_Registry_Number

    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.

  6. PCB congener list - Wikipedia

    en.wikipedia.org/wiki/PCB_congener_list

    Name CAS Number InChIKey Descriptors 0 C 12 H 10: ... 55720-44-0 GBUCDGDROYMOAN-UHFFFAOYSA-N CP1, 2M 24 ... 121 C 12 H 5 Cl 5:

  7. Unbiunium - Wikipedia

    en.wikipedia.org/wiki/Unbiunium

    Unbiunium, also known as eka-actinium or element 121, is a hypothetical chemical element; it has symbol Ubu and atomic number 121. Unbiunium and Ubu are the temporary systematic IUPAC name and symbol respectively, which are used until the element is discovered, confirmed, and a permanent name is decided upon.

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  9. List of compounds with carbon number 8 - Wikipedia

    en.wikipedia.org/wiki/List_of_compounds_with...

    C 8 F 4 N 2: tetrafluorophthalonitrile: 1835-65-0 C 8 F 14 O 3: heptafluorobutyric anhydride: 336-59-4 C 8 F 16: perfluoroethylcyclohexane: 335-21-7 C 8 F 17 I: perfluorooctyl iodide: 507-63-1 C 8 F 18: perfluorooctane: 307-34-6 C 8 H(NO 2) 7: heptanitrocubane: 99393-62-1 C 8 H 2 Cl 4 O 2: fthalide: 27355-22-2 C 8 H 2 F 4 O 4 ...