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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
METHIOCARB SULFOXIDE METHIOCARB SULFOXIDE 2635-10-1 C11H15NO3S
5-Mesylbenzoxazol-2(3H)-on 5-Mesylbenzoxazol-2(3H)-on 13920-98-4 C8H7NO4S
Anabasin Anabasin 494-52-0 C10H14N2
Methyl-(phenylsulfinyl)acetat Methyl-(phenylsulfinyl)acetat 14090-83-6 C9H10O3S
4-METHYLSULFONYL-2-NITROFLUOROBENZENE 4-METHYLSULFONYL-2-NITROFLUOROBENZENE 453-72-5 C7H6FNO4S
1-METHYL-4-(METHYLSULFINYL)BENZENE 1-METHYL-4-(METHYLSULFINYL)BENZENE 934-72-5 C8H10OS
Triclabendazole sulfoxide Triclabendazole sulfoxide 100648-13-3 C14H9Cl3N2O2S
(S)-(-)-METHYL P-TOLYL SULFOXIDE (S)-(-)-METHYL P-TOLYL SULFOXIDE 5056-07-5 C8H10OS
DAPSONE HYDROXYLAMINE DAPSONE HYDROXYLAMINE 32695-27-5 C12H12N2O3S
P-TOLYL VINYL SULPHONE P-TOLYL VINYL SULPHONE 5535-52-4 C9H10O2S
1-(Methylsulfinyl)dodecan 1-(Methylsulfinyl)dodecan 3079-30-9 C13H28OS
FENTHION-SULFOXIDE FENTHION-SULFOXIDE 3761-41-9 C10H15O4PS2
FENTHION-OXON-SULFOXIDE FENTHION-OXON-SULFOXIDE 6552-13-2 C10H15O5PS
3-(Methylsulfinyl)butan-2-on-O-[(methylamino)carbonyl]oxim 3-(Methylsulfinyl)butan-2-on-O-[(methylamino)carbonyl]oxim 34681-24-8 C7H14N2O3S
S-Phenylbenzolthiosulfonat S-Phenylbenzolthiosulfonat 1212-08-4 C12H10O2S2
2-QUINOXALINETHIOL 2-QUINOXALINETHIOL 6962-54-5 C8H6N2S
Pentadecan-1-thiol Pentadecan-1-thiol 25276-70-4 C15H32S
4-(4-FLUOROPHENYL)-1,3-THIAZOLE-2-THIOL 4-(4-FLUOROPHENYL)-1,3-THIAZOLE-2-THIOL 42365-73-1 C9H6FNS2
2-(DIPHENYLPHOSPHINO)ETHANETHIOL 2-(DIPHENYLPHOSPHINO)ETHANETHIOL 3190-79-2 C14H15PS
5-(4-METHYLPHENYL)-1 3 4-OXADIAZOLE-2-& 5-(4-METHYLPHENYL)-1 3 4-OXADIAZOLE-2-& 31130-15-1 C9H8N2OS
1,3-dihydro-1-phenyl-2h-benzimidazole-2-thion 1,3-dihydro-1-phenyl-2h-benzimidazole-2-thion 4493-32-7 C13H10N2S
7-bromobenzo[d]thiazole-2-thiol 7-bromobenzo[d]thiazole-2-thiol 908355-83-9 C7H4BrNS2
5-ISOPROPYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 5-ISOPROPYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 62868-67-1 C5H8N2S3
2-Methylthiophen-3-thiol 2-Methylthiophen-3-thiol 2527-76-6 C5H6S2
5-BROMOBENZO[D]OXAZOLE-2-THIOL 5-BROMOBENZO[D]OXAZOLE-2-THIOL 439607-87-1 C7H4BrNOS
2-METHYLBENZYL MERCAPTAN, 97 2-METHYLBENZYL MERCAPTAN, 97 14092-00-3 C8H10S
5-(4-METHOXYPHENYL)-1 3 4-OXADIAZOLE-2-& 5-(4-METHOXYPHENYL)-1 3 4-OXADIAZOLE-2-& 23766-26-9 C9H8N2O2S
Octan-2-thiol Octan-2-thiol 3001-66-9 C8H18S
1-amino-4-methyl-1H-imidazole-2-thiol 1-amino-4-methyl-1H-imidazole-2-thiol 16163-48-7 C4H7N3S
4-AMINO-5-PHENYL-4H-1,2,4-TRIAZOLE-3-THIOL 4-AMINO-5-PHENYL-4H-1,2,4-TRIAZOLE-3-THIOL 21089-45-2 C8H8N4S
2,2'-Oxydiethanthiol 2,2'-Oxydiethanthiol 2150-02-9 C4H10OS2
6-Mercapto-1H-pyridin-2-thion 6-Mercapto-1H-pyridin-2-thion 23941-53-9 C5H5NS2
1,2-DIHYDRO-5-(3-PYRIDINYL)-3H-1,2,4-TRIAZOLE-3-THIONE 1,2-DIHYDRO-5-(3-PYRIDINYL)-3H-1,2,4-TRIAZOLE-3-THIONE 32362-88-2 C7H6N4S
Benzene,1-(1,1-dimethylethyl)-4-(methylthio) Benzene,1-(1,1-dimethylethyl)-4-(methylthio) 7252-86-0 C11H16S
3-Mercapto-2-butanol 3-Mercapto-2-butanol 54812-86-1 C4H10OS
5-MORPHOLIN-4-YL-1,3,4-THIADIAZOLE-2-THIOL 5-MORPHOLIN-4-YL-1,3,4-THIADIAZOLE-2-THIOL 51412-74-9 C6H9N3OS2
Nonan-1-thiol Nonan-1-thiol 1455-21-6 C9H20S
5-(4-CHLOROPHENYL)-1,3,4-OXADIAZOLE-2-T& 5-(4-CHLOROPHENYL)-1,3,4-OXADIAZOLE-2-T& 23766-28-1 C8H5ClN2OS
1,2,4,5-Tetramethylbenzol-α,α'-dithiol 1,2,4,5-Tetramethylbenzol-α,α'-dithiol 10230-61-2 C10H14S2
4,4,5,5,5-pentafluoropentane-1-thiol 4,4,5,5,5-pentafluoropentane-1-thiol 148757-88-4 C5H7F5S
5-(Methylamino)-1,3,4-thiadiazol-2(3H)-thion 5-(Methylamino)-1,3,4-thiadiazol-2(3H)-thion 27386-01-2 C3H5N3S2
2-Ethyl-2-[[(mercaptoacetyl)oxy]methyl]-1,3-propandiylbis(mercaptoacetat) 2-Ethyl-2-[[(mercaptoacetyl)oxy]methyl]-1,3-propandiylbis(mercaptoacetat) 10193-96-1 C12H20O6S3
5-(2-METHOXYPHENYL)-1,3,4-OXADIAZOLE-2-THIOL 5-(2-METHOXYPHENYL)-1,3,4-OXADIAZOLE-2-THIOL 69844-25-3 C9H8N2O2S
Nonan-1,9-dithiol Nonan-1,9-dithiol 3489-28-9 C9H20S2
2,7-NAPHTHALENEDITHIOL 2,7-NAPHTHALENEDITHIOL 71977-56-5 C10H8S2
2-(BOC-AMINO)ETHANETHIOL 2-(BOC-AMINO)ETHANETHIOL 67385-09-5 C7H15NO2S
2,3,5,6-TETRACHLOROBENZENE-1-THIOL 2,3,5,6-TETRACHLOROBENZENE-1-THIOL 4707-16-8 C6H2Cl4S
5-(4-PYRIDYL)-1H-1,2,4-TRIAZOLE-3-THIOL 5-(4-PYRIDYL)-1H-1,2,4-TRIAZOLE-3-THIOL 14910-06-6 C7H6N4S
Pentaerythrittetrakis(3-mercaptopropionat) Pentaerythrittetrakis(3-mercaptopropionat) 7575-23-7 C17H28O8S4
5-Methyl-2-aminobenzenethiol 5-Methyl-2-aminobenzenethiol 23451-96-9 C7H9NS
TRIPHENYLSILANETHIOL TRIPHENYLSILANETHIOL 14606-42-9 C18H16SSi
2-N-HEXYLTHIO-1,3,4-THIADIAZOLE-5-THIOL 2-N-HEXYLTHIO-1,3,4-THIADIAZOLE-5-THIOL 4858-28-0 C8H14N2S3
1-BROMO-3,5-DIMERCAPTOBENZENE 1-BROMO-3,5-DIMERCAPTOBENZENE 1219501-75-3 C6H5BrS2
1,3-BENZENEDIMETHANETHIOL 1,3-BENZENEDIMETHANETHIOL 41563-69-3 C8H10S2
2-MERCAPTOBENZYL ALCOHOL 2-MERCAPTOBENZYL ALCOHOL 4521-31-7 C7H8OS
5-METHOXYMETHYL-1,3,4-THIADIAZOLE-2-THIOL 5-METHOXYMETHYL-1,3,4-THIADIAZOLE-2-THIOL 66437-18-1 C4H6N2OS2
4-Nitrophenylphenylsulfid 4-Nitrophenylphenylsulfid 952-97-6 C12H9NO2S
(4-CHLOROPHENYLTHIO)ACETONE (4-CHLOROPHENYLTHIO)ACETONE 25784-83-2 C9H9ClOS
3',6'-Dichlorspiro(phthalid-3,9'-xanthen) 3',6'-Dichlorspiro(phthalid-3,9'-xanthen) 630-88-6 C20H10Cl2O3
METHOXYMETHYL PHENYL SULFIDE METHOXYMETHYL PHENYL SULFIDE 13865-50-4 C8H10OS
4,4'-(3H-2,1-Benzoxathiol-3-yliden)bis[3-brom-2,5-dimethylphenol]S,S-dioxid 4,4'-(3H-2,1-Benzoxathiol-3-yliden)bis[3-brom-2,5-dimethylphenol]S,S-dioxid 40070-59-5 C23H20Br2O5S
5-Methoxy-2-methylbenzoselenazol 5-Methoxy-2-methylbenzoselenazol 2946-17-0 C9H9NOSe
BIS(4-METHOXYPHENYL) SELENOXIDE BIS(4-METHOXYPHENYL) SELENOXIDE 25862-14-0 C14H14O3Se
Phenylacetyl disulfide Phenylacetyl disulfide 15088-78-5 C16H14O2S2
B-ISOPINOCAMPHEYL-9-BORABICYCLO[3.3.1]NONANE B-ISOPINOCAMPHEYL-9-BORABICYCLO[3.3.1]NONANE 42371-63-1 C18H31B
1-(4-Nitrophenyl)-3-(4-phenylazophenyl)triazen 1-(4-Nitrophenyl)-3-(4-phenylazophenyl)triazen 5392-67-6 C18H14N6O2
BIS(PHENYLSULFONYL)SULFIDE BIS(PHENYLSULFONYL)SULFIDE 4388-22-1 C12H10O4S3
SODIUM HYDROSULFIDE HYDRATE SODIUM HYDROSULFIDE HYDRATE 207683-19-0 H3NaOS
5-FLUOROBENZO[D]OXAZOLE-2-THIOL 5-FLUOROBENZO[D]OXAZOLE-2-THIOL 13451-78-0 C7H4FNOS
Di(2-hydroxyethyl)-disulfid Di(2-hydroxyethyl)-disulfid 1892-29-1 C4H10O2S2
4,4'-Thiodiresorcin 4,4'-Thiodiresorcin 97-29-0 C12H10O4S
1,3,5-Triphenylformazan 1,3,5-Triphenylformazan 531-52-2 C19H16N4
Bis(phenylselenin)sureanhydrid Bis(phenylselenin)sureanhydrid 17697-12-0 C12H10O3Se2
4-NITROPHENYL PHOSPHATE DISODIUM SALT HEXAHYDRATE 4-NITROPHENYL PHOSPHATE DISODIUM SALT HEXAHYDRATE 333338-18-4 C6H9NNaO7P
Dimethylselenid Dimethylselenid 593-79-3 C2H6Se
2-Chlorethylmethylsulfid 2-Chlorethylmethylsulfid 542-81-4 C3H7ClS
1H-BENZOIMIDAZOLE-2-THIOL 1H-BENZOIMIDAZOLE-2-THIOL 134469-07-1 C7H6N2S
1H,1H,2H,2H-PERFLUOROHEXANETHIOL 1H,1H,2H,2H-PERFLUOROHEXANETHIOL C6H5F9S
7-chlorothiazolo[4,5-c]pyridine-2-thiol 7-chlorothiazolo[4,5-c]pyridine-2-thiol 908355-84-0 C6H3ClN2S2
TERT-BUTYL METHYL SULFIDE TERT-BUTYL METHYL SULFIDE 6163-64-0 C5H12S
PHENYLSELENOCYANATE PHENYLSELENOCYANATE 2179-79-5 C7H5NSe
4-(TRIFLUOROMETHYLTHIO)BROMOBENZENE 4-(TRIFLUOROMETHYLTHIO)BROMOBENZENE 333-47-1 C7H4BrF3S
4-METHYL-6-TRIFLUOROMETHYL-PYRIMIDINE-2-THIOL 4-METHYL-6-TRIFLUOROMETHYL-PYRIMIDINE-2-THIOL C6H5F3N2S
Trichlormethylsulfenyl-chlorid Trichlormethylsulfenyl-chlorid 594-42-3 CCl4S
4-(Trifluoromethylthio)benzyl alcohol 4-(Trifluoromethylthio)benzyl alcohol 56456-52-1 C8H7F3OS
S-Ethyltrifluorthioacetat S-Ethyltrifluorthioacetat 383-64-2 C4H5F3OS
BIS(4-HYDROXY-3-METHYLPHENYL) SULFIDE BIS(4-HYDROXY-3-METHYLPHENYL) SULFIDE 24197-34-0 C14H14O2S
Kaliumselenat Kaliumselenat 7790-59-2 H3KO4Se
2,2'-Azobisphenol 2,2'-Azobisphenol 2050-14-8 C12H10N2O2
SELENOPHENE SELENOPHENE 288-05-1 C4H4Se
1-(9-MERCAPTONONYL)-3,6,9-TRIOXAUNDECAN-11-OL 1-(9-MERCAPTONONYL)-3,6,9-TRIOXAUNDECAN-11-OL 130727-41-2 C17H36O4S
N,N-Dimethyl-4-(phenylazo)-m-toluidin N,N-Dimethyl-4-(phenylazo)-m-toluidin 54-88-6 C15H17N3
Selenoharnstoff Selenoharnstoff 630-10-4 CH4N2Se
N,N-Dimethyl-4-(p-tolylazo)anilin N,N-Dimethyl-4-(p-tolylazo)anilin 3010-57-9 C15H17N3
SELENO-DL-METHIONINE SELENO-DL-METHIONINE 2578-28-1 C5H11NO2Se
2,2'-[Azobis(1-methylethyliden)]bis[4,5-dihydro-1H-imidazoldihydrochlorid 2,2'-[Azobis(1-methylethyliden)]bis[4,5-dihydro-1H-imidazoldihydrochlorid 27776-21-2 C12H23ClN6
β,4-Dimethyl-3-mercaptocyclohexanethylthiol β,4-Dimethyl-3-mercaptocyclohexanethylthiol 4802-20-4 C10H20S2
2,4,5-Trichlorphenyldisulfid 2,4,5-Trichlorphenyldisulfid 3808-87-5 C12H4Cl6S2
3-FLUOROTHIOANISOLE 3-FLUOROTHIOANISOLE 40096-23-9 C7H7FS
1-(Chlormethyl)-4-(methylthio)benzol 1-(Chlormethyl)-4-(methylthio)benzol 874-87-3 C8H9ClS
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