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Reagenzien

In der Analytik bezeichnet man als Reagens einen Stoff, der zur Identifikation eines anderen Stoffes gebraucht wird. Deswegen werden Reagenzien auch Nachweismittel genannt. Nach der Zugabe des Reagens tritt eine chemische Reaktion auf, die eine charakteristische Eigenschaftsänderung (z. B. Farbänderung oder Fällung) bewirkt. Dadurch können bestimmte Ionen oder funktionelle Gruppe nachgewiesen werden. In der Synthesechemie wird ein Reagens zur Modifikation eines Reaktanten benutzt und während der Reaktion verbraucht.

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Structure Chemical Name CAS MF
1-Phenylethan-1-on-(1-phenylethyliden)hydrazon 1-Phenylethan-1-on-(1-phenylethyliden)hydrazon 729-43-1 C16H16N2
1,4,8,11-Tetraazacyclotetradecan 1,4,8,11-Tetraazacyclotetradecan 295-37-4 C10H24N4
1,4,7,10-TETRAAZACYCLODODECANE TETRAHYDROCHLORIDE 1,4,7,10-TETRAAZACYCLODODECANE TETRAHYDROCHLORIDE 10045-25-7 C8H21ClN4
(Ethylsulfonyl)ethylen (Ethylsulfonyl)ethylen 1889-59-4 C4H8O2S
2,2'-[Sulfonylbis(4,1-phenylenoxy)]bisethanol 2,2'-[Sulfonylbis(4,1-phenylenoxy)]bisethanol 27205-03-4 C16H18O6S
1-(BROMOMETHYL)-4-(METHYLSULFONYL)BENZENE 1-(BROMOMETHYL)-4-(METHYLSULFONYL)BENZENE 53606-06-7 C8H9BrO2S
METHYLTHIOMETHYL P-TOLYL SULFONE METHYLTHIOMETHYL P-TOLYL SULFONE 59662-65-6 C9H12O2S2
4,4'-Sulfonyldiphenol 4,4'-Sulfonyldiphenol 80-09-1 C12H10O4S
Tetrahydro-2,4-dimethylthiophen-1,1-dioxid Tetrahydro-2,4-dimethylthiophen-1,1-dioxid 1003-78-7 C6H12O2S
4,4'-Bis(4-chlorophenyl)sulfonyl-1,1'-biphenyl 4,4'-Bis(4-chlorophenyl)sulfonyl-1,1'-biphenyl 22287-56-5 C24H16Cl2O4S2
4,4'-Sulfonylbis[2-aminophenol] 4,4'-Sulfonylbis[2-aminophenol] 7545-50-8 C12H12N2O4S
1-Chlor-4-(methylsulfonyl)benzol 1-Chlor-4-(methylsulfonyl)benzol 98-57-7 C7H7ClO2S
p-[[p-Benzyloxyphenyl]sulfonyl]phenol p-[[p-Benzyloxyphenyl]sulfonyl]phenol 63134-33-8 C19H16O4S
3-(TRIFLUOROMETHYLSULFONYL)ANILINE 3-(TRIFLUOROMETHYLSULFONYL)ANILINE 426-59-5 C7H6F3NO2S
3,4-DIBROMOSULFOLANE 3,4-DIBROMOSULFOLANE 15091-30-2 C4H6Br2O2S
1-Fluor-4-(methylsulfonyl)benzol 1-Fluor-4-(methylsulfonyl)benzol 455-15-2 C7H7FO2S
Bis(4-nitrophenyl)sulfon Bis(4-nitrophenyl)sulfon 1156-50-9 C12H8N2O6S
α-(Methylsulfonyl)toluol α-(Methylsulfonyl)toluol 3112-90-1 C8H10O2S
3,4,5,6-Tetrahydropyrimidin-2-thiol 3,4,5,6-Tetrahydropyrimidin-2-thiol 2055-46-1 C4H8N2S
MTT MTT 2348-71-2 C18H16BrN5S
1-(2,4-Dimethylphenylazo)-2-naphthol 1-(2,4-Dimethylphenylazo)-2-naphthol 3118-97-6 C18H16N2O
[1,1'-Biphenyl]-4,4'-dithiol [1,1'-Biphenyl]-4,4'-dithiol 6954-27-4 C12H10S2
2-Methylbutan-2-thiol 2-Methylbutan-2-thiol 1679-09-0 C5H12S
1-(Methylsulfonyl)aceton 1-(Methylsulfonyl)aceton 5000-46-4 C4H8O3S
Pentan-1-thiol Pentan-1-thiol 110-66-7 C5H12S
2-CHLOROTHIOANISOLE 2-CHLOROTHIOANISOLE 17733-22-1 C7H7ClS
3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazoliumbromid 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazoliumbromid 298-93-1 C18H16N5S.Br
5-(3-PYRIDINYL)-1,3,4-OXADIAZOLE-2-THIOL 5-(3-PYRIDINYL)-1,3,4-OXADIAZOLE-2-THIOL 3690-46-8 C7H5N3OS
3-Methyltetrahydrothiophen-1,1-dioxid 3-Methyltetrahydrothiophen-1,1-dioxid 872-93-5 C5H10O2S
Thiophen-2-methanthiol Thiophen-2-methanthiol 6258-63-5 C5H6S2
Octadecan-1-thiol Octadecan-1-thiol 2885-00-9 C18H38S
1-Dokosanethiol 1-Dokosanethiol 7773-83-3 C22H46S
2,4-Dichlortoluol-α-thiol 2,4-Dichlortoluol-α-thiol 59293-67-3 C7H6Cl2S
1H,1H,2H,2H-Perfluorodecanethiol 1H,1H,2H,2H-Perfluorodecanethiol 34143-74-3 C10H5F17S
tert-Hexadecanthiol tert-Hexadecanthiol 25360-09-2 C16H34S
2,2'-[1,2-Ethandiylbis(oxy)]bis(ethanthiol) 2,2'-[1,2-Ethandiylbis(oxy)]bis(ethanthiol) 14970-87-7 C6H14O2S2
1-METHYL-1H-BENZIMIDAZOLE-2-THIOL  95 1-METHYL-1H-BENZIMIDAZOLE-2-THIOL 95 2360-22-7 C8H8N2S
Di-tert-butyldisulfid Di-tert-butyldisulfid 110-06-5 C8H18S2
Phenylvinylsulfoxid Phenylvinylsulfoxid 20451-53-0 C8H8OS
4,5-DIPHENYL-2-IMIDAZOLETHIOL 4,5-DIPHENYL-2-IMIDAZOLETHIOL 2349-58-8 C15H12N2S
Bicinchoninic Acid Disodium Salt Bicinchoninic Acid Disodium Salt 979-88-4 C20H13N2NaO4
Methyl-p-tolylsulfid Methyl-p-tolylsulfid 623-13-2 C8H10S
Methyl-2,5-dihydro-3-thenoat-1,1-dioxid Methyl-2,5-dihydro-3-thenoat-1,1-dioxid 67488-50-0 C6H8O4S
2-(4-Iodophenyl)-3-(4-nitrophe-nyl)-5-phenyl-tetrazoliumchlorid 2-(4-Iodophenyl)-3-(4-nitrophe-nyl)-5-phenyl-tetrazoliumchlorid 146-68-9 C19H13ClIN5O2
2-AMINO-4-CHLOROTHIOPHENOL 2-AMINO-4-CHLOROTHIOPHENOL 1004-00-8 C6H6ClNS
6-CHLORO-5-FLUOROBENZIMIDAZOLE-2-THIOL 6-CHLORO-5-FLUOROBENZIMIDAZOLE-2-THIOL 142313-30-2 C7H4ClFN2S
4-HYDROXY-6-METHOXYMETHYLPYRIMIDINE-2-THIOL 4-HYDROXY-6-METHOXYMETHYLPYRIMIDINE-2-THIOL 175205-07-9 C6H8N2O2S
2,2'-Dithiodi(ethylammonium)dichlorid 2,2'-Dithiodi(ethylammonium)dichlorid 56-17-7 C4H14Cl2N2S2
Propan-1,2-dithiol Propan-1,2-dithiol 814-67-5 C3H8S2
4-(TRIFLUOROMETHOXY)BENZYL MERCAPTAN 4-(TRIFLUOROMETHOXY)BENZYL MERCAPTAN 175278-03-2 C8H7F3OS
Ethylmethylsulfid Ethylmethylsulfid 624-89-5 C3H8S
3-MERCAPTOBENZOIC ACID 3-MERCAPTOBENZOIC ACID 4869-59-4 C7H6O2S
1,1-Dimethylheptanthiol 1,1-Dimethylheptanthiol 25360-10-5 C9H20S
4-AMINO-5-(4-PYRIDYL)-4 H-1,2,4-TRIAZOLE-3-THIOL 4-AMINO-5-(4-PYRIDYL)-4 H-1,2,4-TRIAZOLE-3-THIOL 36209-51-5 C7H7N5S
TRIMETHYLENE DI(THIOTOSYLATE) TRIMETHYLENE DI(THIOTOSYLATE) 3866-79-3 C17H20O4S4
Trimethylsilylmethansulfonat Trimethylsilylmethansulfonat 10090-05-8 C4H12O3SSi
Methyltoluolsulfonat Methyltoluolsulfonat 28804-47-9 C8H10O3S
Pyridin-Boran (1:1) Pyridin-Boran (1:1) 110-51-0 C5H8BN
(S)-(+)-1,1'-Bi-2-naphthyl ditosylate (S)-(+)-1,1'-Bi-2-naphthyl ditosylate 128544-06-9 C34H26O6S2
4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)CHLOROBENZENE 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)CHLOROBENZENE 195062-61-4 C12H16BClO2
Heptamethylendiamin Heptamethylendiamin 646-19-5 C7H18N2
N-Phenylethylendiamin N-Phenylethylendiamin 1664-40-0 C8H12N2
N-(TERT-BUTOXYCARBONYL)-1 H-PYRAZOLE-1-CARBOXAMIDINE N-(TERT-BUTOXYCARBONYL)-1 H-PYRAZOLE-1-CARBOXAMIDINE 152120-61-1 C9H14N4O2
Fluoren-2,7-diyldiamin Fluoren-2,7-diyldiamin 525-64-4 C13H12N2
2-BUTYL-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 2-BUTYL-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 69190-62-1 C10H21BO2
2,3,5,6-Tetramethyl-p-phenylendiamin 2,3,5,6-Tetramethyl-p-phenylendiamin 3102-87-2 C10H16N2
4-ACETYLPHENYL TRIFLATE 4-ACETYLPHENYL TRIFLATE 109613-00-5 C9H7F3O4S
2,2,3,3-TETRAFLUOROPROPYL 4-TOLUENESULFONATE 2,2,3,3-TETRAFLUOROPROPYL 4-TOLUENESULFONATE 786-31-2 C10H10F4O3S
HEPTAFLUOROBUTYRYLAMIDINE HEPTAFLUOROBUTYRYLAMIDINE 375-19-9 C4H3F7N2
4-Fluorbenzol-1,3-diamin 4-Fluorbenzol-1,3-diamin 6264-67-1 C6H7FN2
(S)-(+)-1-PHENYL-1,2-ETHANEDIOL 2-TOSYLATE (S)-(+)-1-PHENYL-1,2-ETHANEDIOL 2-TOSYLATE 40435-14-1 C15H16O4S
N-Ethyl-1-heptanamine N-Ethyl-1-heptanamine 66793-76-8 C9H21N
N-Methylheptylamin N-Methylheptylamin 36343-05-2 C8H19N
4-(N-Methylamino)benzonitrile 4-(N-Methylamino)benzonitrile 4714-62-9 C8H8N2
N,N,N',N',N'',N''-Hexamethylmethantriamin N,N,N',N',N'',N''-Hexamethylmethantriamin 5762-56-1 C7H19N3
Tetraethylene glycol di-p-tosylate Tetraethylene glycol di-p-tosylate 37860-51-8 C22H30O9S2
PENTAFLUOROBENZYL P-TOLUENESULFONATE PENTAFLUOROBENZYL P-TOLUENESULFONATE 4455-09-8 C15H16O3S
4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)FLUOROBENZENE 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)FLUOROBENZENE 214360-58-4 C12H16BFO2
N,N'-BIS-Z-1-GUANYLPYRAZOLE N,N'-BIS-Z-1-GUANYLPYRAZOLE 152120-55-3 C20H18N4O4
Ethylbromfluoracetat Ethylbromfluoracetat 401-55-8 C4H6BrFO2
Methoxydiethylborane Methoxydiethylborane 7397-46-8 C5H13BO
P-TOLUENESULFONIC ACID (S)-2-METHYLBUTYL ESTER P-TOLUENESULFONIC ACID (S)-2-METHYLBUTYL ESTER 38261-81-3 C12H18O3S
1400W 1400W 180001-34-7 C10H15N3
meso-1,2-Diphenylethylenediamine meso-1,2-Diphenylethylenediamine 951-87-1 C14H16N2
4-(2-Aminoethyl)anilin 4-(2-Aminoethyl)anilin 13472-00-9 C8H12N2
Diboran (6) Diboran (6) 19287-45-7 B2H6
L-(-)-O-TOSYLLACTIC ACID ETHYL ESTER L-(-)-O-TOSYLLACTIC ACID ETHYL ESTER 57057-80-4 C12H16O5S
3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)toluene 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)toluene 253342-48-2 C13H19BO2
2-(2-Thienyl)ethyltoluol-p-sulfonat 2-(2-Thienyl)ethyltoluol-p-sulfonat 40412-06-4 C13H14O3S2
2-Fluoroethyl 4-methylbenzenesulfonate 2-Fluoroethyl 4-methylbenzenesulfonate 383-50-6 C9H11FO3S
(S)-(-)-2,2'-Diamino-1,1'-binaphthalene (S)-(-)-2,2'-Diamino-1,1'-binaphthalene 18531-95-8 C20H16N2
tert-Butylamin-Boran tert-Butylamin-Boran 7337-45-3 C4H11BN
4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)TOLUENE 4-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)TOLUENE 195062-57-8 C13H19BO2
3-(ISOPROPOXYCARBONYL)PHENYLBORONIC ACID 3-(ISOPROPOXYCARBONYL)PHENYLBORONIC ACID 342002-80-6 C10H13BO4
N,N-Dimethyl-N'-(((methylamino)-carbonyl)-oxy)-phenylmethanimid-amid-hydrochlorid N,N-Dimethyl-N'-(((methylamino)-carbonyl)-oxy)-phenylmethanimid-amid-hydrochlorid 23422-53-9 C11H15N3O2.ClH
2-Benzylaminoethyldimethylamin 2-Benzylaminoethyldimethylamin 103-55-9 C11H18N2
METHYL P-TOLYL SULFONE METHYL P-TOLYL SULFONE 59203-01-9 C8H10O2S
Ethylchlordifluoracetat Ethylchlordifluoracetat 383-62-0 C4H5ClF2O2
3-CHLORO-N-METHYLBENZYLAMINE 3-CHLORO-N-METHYLBENZYLAMINE 39191-07-6 C8H10ClN
4-PYRIDINECARBOXAMIDINE 4-PYRIDINECARBOXAMIDINE 33278-46-5 C6H7N3
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