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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
4-Nitro-1-naphthol 4-Nitro-1-naphthol 605-62-9 C10H7NO3
3-Nitro-5-(trifluoromethyl)phenol 3-Nitro-5-(trifluoromethyl)phenol 349-57-5 C7H4F3NO3
2,3-Diaminophenol 2,3-Diaminophenol 59649-56-8 C6H8N2O
4,4'-Isopropylidendi-o-kresol 4,4'-Isopropylidendi-o-kresol 79-97-0 C17H20O2
p-(Octyloxy)phenol p-(Octyloxy)phenol 3780-50-5 C14H22O2
2-FLUORO-6-METHOXYPHENOL 2-FLUORO-6-METHOXYPHENOL 73943-41-6 C7H7FO2
6-tert-Butyl-m-kresol 6-tert-Butyl-m-kresol 88-60-8 C11H16O
4-Amino-3,5-xylenol 4-Amino-3,5-xylenol 3096-70-6 C8H11NO
4-Hydroxy-m-phenylendiammoniumdichlorid 4-Hydroxy-m-phenylendiammoniumdichlorid 137-09-7 C6H10Cl2N2O
4-Benzylphenol 4-Benzylphenol 101-53-1 C13H12O
4-Nitrobrenzcatechin 4-Nitrobrenzcatechin 3316-09-4 C6H5NO4
2-Allylphenol 2-Allylphenol 1745-81-9 C9H10O
2-Hydroxy-1-naphthylammoniumchlorid 2-Hydroxy-1-naphthylammoniumchlorid 1198-27-2 C10H10ClNO
4-Brombrenzcatechin 4-Brombrenzcatechin 17345-77-6 C6H5BrO2
NONYLPHENOL NONYLPHENOL 84852-15-3 C15H24O
4-Amino-o-kresol 4-Amino-o-kresol 2835-96-3 C7H9NO
2,4,6-Triiodphenol 2,4,6-Triiodphenol 609-23-4 C6H3I3O
3-PHENYLPHENOL 3-PHENYLPHENOL 580-51-8 C12H10O
3,5-DICHLOROTHIOANISOLE 3,5-DICHLOROTHIOANISOLE 68121-46-0 C7H6Cl2S
2,6-Dibrom-4-nitrophenol 2,6-Dibrom-4-nitrophenol 99-28-5 C6H3Br2NO3
(Ethylsulfonyl)benzol (Ethylsulfonyl)benzol 599-70-2 C8H10O2S
4-tert-Butyldiphenyl sulfide 4-tert-Butyldiphenyl sulfide 85609-03-6 C16H18S
2-Amino-4-chloro-6-nitrophenol 2-Amino-4-chloro-6-nitrophenol 6358-08-3 C6H5ClN2O3
Spiro[3H-2,1-benzoxathiol-3,9'-[9H]xanthen]-3',4',5',6'-tetrol-1,1-dioxid Spiro[3H-2,1-benzoxathiol-3,9'-[9H]xanthen]-3',4',5',6'-tetrol-1,1-dioxid 32638-88-3 C19H12O8S
Racepinefrin Racepinefrin 329-65-7 C9H13NO3
2-Amino-6-bromophenol 2-Amino-6-bromophenol 28165-50-6 C6H6BrNO
2-Amino-4-chloro-5-nitrophenol 2-Amino-4-chloro-5-nitrophenol 6358-07-2 C6H5ClN2O3
4-Bromo-2,6-dimethylphenol 4-Bromo-2,6-dimethylphenol 2374-05-2 C8H9BrO
2,3,6-Trichlorphenol 2,3,6-Trichlorphenol 933-75-5 C6H3Cl3O
Bromhydrochinon Bromhydrochinon 583-69-7 C6H5BrO2
Pentachlorbenzolthiol Pentachlorbenzolthiol 133-49-3 C6HCl5S
Ethyl-2-[(3,5-dibrom-4-hydroxyphenyl)(3,5-dibrom-4-oxo-2,5-cyclohexadien-1-yliden)methyl]benzoat Ethyl-2-[(3,5-dibrom-4-hydroxyphenyl)(3,5-dibrom-4-oxo-2,5-cyclohexadien-1-yliden)methyl]benzoat 1176-74-5 C22H14Br4O4
5-Chlor-o-kresol 5-Chlor-o-kresol 5306-98-9 C7H7ClO
2,6-Dibrom-p-kresol 2,6-Dibrom-p-kresol 2432-14-6 C7H6Br2O
3-ETHOXY THIOPHENOL 3-ETHOXY THIOPHENOL 86704-82-7 C8H10OS
4-(4-Methylphenylthio)benzophenone 4-(4-Methylphenylthio)benzophenone 83846-85-9 C20H16OS
4-Butoxyphenol 4-Butoxyphenol 122-94-1 C10H14O2
2-NITROPHENYL PHENYL SULFIDE 2-NITROPHENYL PHENYL SULFIDE 4171-83-9 C12H9NO2S
2-Aminophenylphenylsulfon 2-Aminophenylphenylsulfon 4273-98-7 C12H11NO2S
p-Xylol-α,α'-dithiol p-Xylol-α,α'-dithiol 105-09-9 C8H10S2
3,5-Dibromophenol 3,5-Dibromophenol 626-41-5 C6H4Br2O
Pentafluorbenzolsulfonylchlorid Pentafluorbenzolsulfonylchlorid 832-53-1 C6ClF5O2S
METHYL THIOSALICYLATE METHYL THIOSALICYLATE 4892-02-8 C8H8O2S
BIS(3-FLUOROPHENYL)DISULFIDE BIS(3-FLUOROPHENYL)DISULFIDE 63930-17-6 C12H8F2S2
Biphenyl-2,5-diol Biphenyl-2,5-diol 1079-21-6 C12H10O2
2,6-Di-tert-butyl-4-ethylphenol 2,6-Di-tert-butyl-4-ethylphenol 4130-42-1 C16H26O
4-METHYLDIPHENYL SULFIDE 4-METHYLDIPHENYL SULFIDE 3699-01-2 C13H12S
3-Hydroxythiophenol 3-Hydroxythiophenol 40248-84-8 C6H6OS
4-Heptyloxyphenol 4-Heptyloxyphenol 13037-86-0 C13H20O2
4-Chlor-3-ethylphenol 4-Chlor-3-ethylphenol 14143-32-9 C8H9ClO
4-Nitrosophenol 4-Nitrosophenol 104-91-6 C6H5NO2
2-Bromobenzyl mercaptan 2-Bromobenzyl mercaptan 143888-85-1 C7H7BrS
(Methylsulfinyl)benzol (Methylsulfinyl)benzol 1193-82-4 C7H8OS
3-Hydroxyphenylacetylene 3-Hydroxyphenylacetylene 10401-11-3 C8H6O
1,4-Dicyclohexylbenzol 1,4-Dicyclohexylbenzol 1087-02-1 C18H26
4-(METHYLTHIO)THIOPHENOL 4-(METHYLTHIO)THIOPHENOL 1122-97-0 C7H8S2
2,6-DICHLOROTHIOPHENOL 2,6-DICHLOROTHIOPHENOL 24966-39-0 C6H4Cl2S
2,2'-DIAMINODIPHENYL SULFIDE 2,2'-DIAMINODIPHENYL SULFIDE 5873-51-8 C12H12N2S
4-(Methylthio)benzyl alcohol 4-(Methylthio)benzyl alcohol 3446-90-0 C8H10OS
Bis(3-nitrophenyl)disulfid Bis(3-nitrophenyl)disulfid 537-91-7 C12H8N2O4S2
o-Chlortoluol-α-thiol o-Chlortoluol-α-thiol 39718-00-8 C7H7ClS
3,4-DIFLUOROTHIOPHENOL 3,4-DIFLUOROTHIOPHENOL 60811-24-7 C6H4F2S
3,5-Dimethylbenzolthiol 3,5-Dimethylbenzolthiol 38360-81-5 C8H10S
TRIMETHYLSULFONIUM HYDROXIDE TRIMETHYLSULFONIUM HYDROXIDE 17287-03-5 C3H10OS
3,3'-DIHYDROXYDIPHENYL DISULFIDE 3,3'-DIHYDROXYDIPHENYL DISULFIDE 21101-56-4 C12H10O2S2
Ethyl-1,3-dithiolan-2-carboxylat Ethyl-1,3-dithiolan-2-carboxylat 20461-99-8 C6H10O2S2
(Phenylthio)essigsure (Phenylthio)essigsure 103-04-8 C8H8O2S
Benzylphenylsulfid Benzylphenylsulfid 831-91-4 C13H12S
4-ETHYLTHIOPHENOL 4-ETHYLTHIOPHENOL 4946-13-8 C8H10S
(Allylthio)benzol (Allylthio)benzol 5296-64-0 C9H10S
2-(Methylthio)anilin 2-(Methylthio)anilin 2987-53-3 C7H9NS
4-(Methylthio)benzoesaeure 4-(Methylthio)benzoesaeure 13205-48-6 C8H8O2S
3-FLUOROTHIOANISOLE 3-FLUOROTHIOANISOLE 658-28-6 C7H7FS
3,4-DIMETHOXYTHIOPHENOL 3,4-DIMETHOXYTHIOPHENOL 700-96-9 C8H10O2S
(R*,R*)-(+-)-1,4-Dimercaptobutan-2,3-diol (R*,R*)-(+-)-1,4-Dimercaptobutan-2,3-diol 27565-41-9 C4H10O2S2
3-METHOXY THIOANISOLE 3-METHOXY THIOANISOLE 2388-74-1 C8H10OS
3,3',5,5'-TETRACHLORODIPHENYL DISULFIDE 3,3',5,5'-TETRACHLORODIPHENYL DISULFIDE 137897-99-5 C12H6Cl4S2
p-Chlortoluol-α-thiol p-Chlortoluol-α-thiol 6258-66-8 C7H7ClS
2-(Phenylthio)ethanol 2-(Phenylthio)ethanol 699-12-7 C8H10OS
2-FLUOROTHIOANISOLE 2-FLUOROTHIOANISOLE 655-20-9 C7H7FS
3-MERCAPTO-1-PROPANOL 3-MERCAPTO-1-PROPANOL 19721-22-3 C3H8OS
Chlormethyl phenylsulfid Chlormethyl phenylsulfid 7205-91-6 C7H7ClS
4-(p-Nitrophenylthio)anilin 4-(p-Nitrophenylthio)anilin 101-59-7 C12H10N2O2S
[(Tribrommethyl)sulfonyl]benzol [(Tribrommethyl)sulfonyl]benzol 17025-47-7 C7H5Br3O2S
2-(TRIFLUOROMETHYL)THIOPHENOL 2-(TRIFLUOROMETHYL)THIOPHENOL 13333-97-6 C7H5F3S
1-(Methylthio)-3-nitrobenzol 1-(Methylthio)-3-nitrobenzol 2524-76-7 C7H7NO2S
Bis(p-tolyl)sulfoxid Bis(p-tolyl)sulfoxid 1774-35-2 C14H14OS
2-Methyl-1,3-dioxolan 2-Methyl-1,3-dioxolan 497-26-7 C4H8O2
2-AMINO-2'-NITRO DIPHENYL SULFIDE 2-AMINO-2'-NITRO DIPHENYL SULFIDE 19284-81-2 C12H10N2O2S
3-CHLOROTHIOANISOLE 3-CHLOROTHIOANISOLE 4867-37-2 C7H7ClS
4,4'-Dithiodianilin 4,4'-Dithiodianilin 722-27-0 C12H12N2S2
Dibenzylsulfoxid Dibenzylsulfoxid 621-08-9 C14H14OS
1-Nitro-2-(phenylsulfonyl)benzol 1-Nitro-2-(phenylsulfonyl)benzol 31515-43-2 C12H9NO4S
Bis(p-chlorphenyl)sulfoxid Bis(p-chlorphenyl)sulfoxid 3085-42-5 C12H8Cl2OS
4-(TRIFLUOROMETHYL)THIOPHENOL 4-(TRIFLUOROMETHYL)THIOPHENOL 825-83-2 C7H5F3S
1-METHOXY-4-(METHYLTHIO)BENZENE 1-METHOXY-4-(METHYLTHIO)BENZENE 1879-16-9 C8H10OS
3,4-Dichlorbenzolthiol 3,4-Dichlorbenzolthiol 5858-17-3 C6H4Cl2S
3,5-Bis(trifluoromethyl)benzenethiol 3,5-Bis(trifluoromethyl)benzenethiol 130783-02-7 C8H4F6S
(Methylsulfonyl)benzol (Methylsulfonyl)benzol 3112-85-4 C7H8O2S
Phenoxathiin Phenoxathiin 262-20-4 C12H8OS
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