TMSI - Product Specification
Brožury a specifikace | 1997 | MerckInstrumentace
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Klíčová slovaderivatives, tmsi, silyl, nch, derivatization, storage, silylating, silylation, handbook, tms, awq, multiderivatization, tmsim, reaction, procedure, silyating, reactions, trialkylsilyl, microreaction, trimethylsilylimidazole, unopened, nucleophilic, basicity, reagent, books, attack, schemes, acceptor, group, derivatizing, strongest, stability, tendency, sensitive, proceed, displacement, completion, leaving, adequately, hazards, hydroxyl, consult, conditions, vessels, silicon, guideline, stated, intervals, hole, susceptible
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TMSI + Pyridine - Product Specification
1997|Merck|Brožury a specifikace
TMSI+Pyridine Product Specification TMSI (N-trimethylsilylimidazole) is the strongest reagent for hydroxyls. It reacts quickly and smoothly with hindered and unhindered hydroxyl and carboxyl groups. TMSI+Pyridine is useful for derivatizing wet sugar samples, hindered hydroxyl groups in steroids and, in conjunction…
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N-t-Butyldimethylsilylimidazole - Product Specification
1997|Merck|Brožury a specifikace
N-t-Butyldimethylsilylimidazole Product Specification N-t-Butyldimethylsilylimidazole (TBDMSIM) is formed by reacting butyldimethylchlorosilane and imidazole (1:2). Although TBDMSIM is not widely used, the t-butyldimethylsilyl (TBDMS) derivatives it forms enhance thermal stability and increase the inertness of the analyte(s). A weak silylating reagent, TBDMSIM…
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TMCS - Product Specification
1997|Merck|Brožury a specifikace
TMCS Product Specification TMCS (trimethylchlorosilane) is a silylation catalyst, rarely used alone in analytical applications but typically mixed with other silylation reagents to increase their reactivity (e.g., HMDS/TMCS/ pyridine, BSTFA/TMCS, BSA/TMCS) in derivatization of alcohols, alkaloids, amines, biogenic amines, carboxylic…
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Trifluoroacetic Acid - Product Specification
1997|Merck|Brožury a specifikace
Trifluoroacetic Acid Product Specification Trifluoroacetic acid (TFA) is a very versatile reagent. Some of the more popular uses for TFA are as a silyl catalyst when derivatizing carbohydrates, as a reagent for purifying large peptides, as an ion pair reagent,…
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