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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
2-N-HEXYLTHIO-1,3,4-THIADIAZOLE-5-THIOL 2-N-HEXYLTHIO-1,3,4-THIADIAZOLE-5-THIOL 4858-28-0 C8H14N2S3
Nonan-1,9-dithiol Nonan-1,9-dithiol 3489-28-9 C9H20S2
3-Mercapto-2-butanol 3-Mercapto-2-butanol 54812-86-1 C4H10OS
5-Methyl-2-aminobenzenethiol 5-Methyl-2-aminobenzenethiol 23451-96-9 C7H9NS
2,2'-Oxydiethanthiol 2,2'-Oxydiethanthiol 2150-02-9 C4H10OS2
2,7-NAPHTHALENEDITHIOL 2,7-NAPHTHALENEDITHIOL 71977-56-5 C10H8S2
1,2,4,5-Tetramethylbenzol-α,α'-dithiol 1,2,4,5-Tetramethylbenzol-α,α'-dithiol 10230-61-2 C10H14S2
7-bromobenzo[d]thiazole-2-thiol 7-bromobenzo[d]thiazole-2-thiol 908355-83-9 C7H4BrNS2
5-(4-CHLOROPHENYL)-1,3,4-OXADIAZOLE-2-T& 5-(4-CHLOROPHENYL)-1,3,4-OXADIAZOLE-2-T& 23766-28-1 C8H5ClN2OS
2-Methylthiophen-3-thiol 2-Methylthiophen-3-thiol 2527-76-6 C5H6S2
5-(2-METHOXYPHENYL)-1,3,4-OXADIAZOLE-2-THIOL 5-(2-METHOXYPHENYL)-1,3,4-OXADIAZOLE-2-THIOL 69844-25-3 C9H8N2O2S
1,3-dihydro-1-phenyl-2h-benzimidazole-2-thion 1,3-dihydro-1-phenyl-2h-benzimidazole-2-thion 4493-32-7 C13H10N2S
2-METHYLBENZYL MERCAPTAN, 97 2-METHYLBENZYL MERCAPTAN, 97 14092-00-3 C8H10S
6-Mercapto-1H-pyridin-2-thion 6-Mercapto-1H-pyridin-2-thion 23941-53-9 C5H5NS2
5-ISOPROPYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 5-ISOPROPYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 62868-67-1 C5H8N2S3
1-BROMO-3,5-DIMERCAPTOBENZENE 1-BROMO-3,5-DIMERCAPTOBENZENE 1219501-75-3 C6H5BrS2
5-(4-METHYLPHENYL)-1 3 4-OXADIAZOLE-2-& 5-(4-METHYLPHENYL)-1 3 4-OXADIAZOLE-2-& 31130-15-1 C9H8N2OS
Pentaerythrittetrakis(3-mercaptopropionat) Pentaerythrittetrakis(3-mercaptopropionat) 7575-23-7 C17H28O8S4
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
METHOXYMETHYL PHENYL SULFIDE METHOXYMETHYL PHENYL SULFIDE 13865-50-4 C8H10OS
5-Methoxy-2-methylbenzoselenazol 5-Methoxy-2-methylbenzoselenazol 2946-17-0 C9H9NOSe
5-BROMOBENZO[D]OXAZOLE-2-THIOL 5-BROMOBENZO[D]OXAZOLE-2-THIOL 439607-87-1 C7H4BrNOS
BIS(4-METHOXYPHENYL) SELENOXIDE BIS(4-METHOXYPHENYL) SELENOXIDE 25862-14-0 C14H14O3Se
Phenylacetyl disulfide Phenylacetyl disulfide 15088-78-5 C16H14O2S2
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
Benzene,1-(1,1-dimethylethyl)-4-(methylthio) Benzene,1-(1,1-dimethylethyl)-4-(methylthio) 7252-86-0 C11H16S
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
5-(Methylamino)-1,3,4-thiadiazol-2(3H)-thion 5-(Methylamino)-1,3,4-thiadiazol-2(3H)-thion 27386-01-2 C3H5N3S2
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
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
Selenoharnstoff Selenoharnstoff 630-10-4 CH4N2Se
SELENO-DL-METHIONINE SELENO-DL-METHIONINE 2578-28-1 C5H11NO2Se
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
2-(2-IODOPHENYL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 2-(2-IODOPHENYL)-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 857934-82-8 C12H16BIO2
1,2-BIS(TERT-BUTYLTHIO)ETHANE:DIBORANE COMPLEX 1,2-BIS(TERT-BUTYLTHIO)ETHANE:DIBORANE COMPLEX 71522-78-6 C10H26B2S2
B-ISOPINOCAMPHEYL-9-BORABICYCLO[3.3.1]NONANE B-ISOPINOCAMPHEYL-9-BORABICYCLO[3.3.1]NONANE 73624-47-2 C18H31B
Decaboran Decaboran 17702-41-9 B10H14
2,3,5,6-TETRAFLUORO-4-HYDRAZINOBENZOTRIFLUORIDE 2,3,5,6-TETRAFLUORO-4-HYDRAZINOBENZOTRIFLUORIDE 1868-85-5 C7H3F7N2
3',6'-Dichlorspiro(phthalid-3,9'-xanthen) 3',6'-Dichlorspiro(phthalid-3,9'-xanthen) 630-88-6 C20H10Cl2O3
2-CHLORO-4-METHYLPHENYLHYDRAZINE HYDROCHLORIDE 2-CHLORO-4-METHYLPHENYLHYDRAZINE HYDROCHLORIDE 90631-70-2 C7H9ClN2
Tributylboran Tributylboran 122-56-5 C12H27B
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
(-)-Diisopinocampheyl borane (-)-Diisopinocampheyl borane 21932-54-7 C20H35B
SODIUM COBALTICARBORANE SODIUM COBALTICARBORANE 99492-72-5 C4B18CoNa
Trifluor[1,1'-oxybis[butan]]bor Trifluor[1,1'-oxybis[butan]]bor 593-04-4 C8H18BF3O
o-Toluohydrazid o-Toluohydrazid 7658-80-2 C8H10N2O
Borane ammonia complex Borane ammonia complex 13774-81-7 BH6N
5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole 1086111-09-2 C9H14BNO2S
B-ISOPINOCAMPHEYL-9-BORABICYCLO[3.3.1]NONANE B-ISOPINOCAMPHEYL-9-BORABICYCLO[3.3.1]NONANE 42371-63-1 C18H31B
4-(1,3,2-DIOXABORINAN-2-YL)BENZALDEHYDE 4-(1,3,2-DIOXABORINAN-2-YL)BENZALDEHYDE 160068-88-2 C10H11BO3
PYRIDIN-3-YLMETHYL-HYDRAZINE PYRIDIN-3-YLMETHYL-HYDRAZINE 7112-38-1 C6H9N3
1-(4-Nitrophenyl)-3-(4-phenylazophenyl)triazen 1-(4-Nitrophenyl)-3-(4-phenylazophenyl)triazen 5392-67-6 C18H14N6O2
4,4,6-Trimethyl-2-vinyl-1,3,2-dioxaborinan 4,4,6-Trimethyl-2-vinyl-1,3,2-dioxaborinan 4627-10-5 C8H15BO2
9-BBN DIMER 9-BBN DIMER 21205-91-4 C16H30B2
Triphenylboran Triphenylboran 960-71-4 C18H15B
4-(Methylsulfonyl)phenylhydrazine hydrochloride 4-(Methylsulfonyl)phenylhydrazine hydrochloride 17852-67-4 C7H11ClN2O2S
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
DICHLOROMETHYLDIISOPROPOXYBORANE DICHLOROMETHYLDIISOPROPOXYBORANE 62260-99-5 C7H15BCl2O2
Dimethylselenid Dimethylselenid 593-79-3 C2H6Se
α-Hydrazino-m-kresoldihydrochlorid α-Hydrazino-m-kresoldihydrochlorid 81012-99-9 C7H12Cl2N2O
2-Naphthohydrazid 2-Naphthohydrazid 39627-84-4 C11H10N2O
(S,S)-1,2-BIS[(TERT-BUTYL)METHYLPHOSPHINO]ETHANE BIS(BORANE) (S,S)-1,2-BIS[(TERT-BUTYL)METHYLPHOSPHINO]ETHANE BIS(BORANE) 203000-48-0 C12H30B2P2
(+)-PINANEBORANE (+)-PINANEBORANE 90084-43-8 C10H17BO2
p-Toluohydrazid p-Toluohydrazid 3619-22-5 C8H10N2O
2-(4-BROMOBUTYL)-1 3 2-BENZODIOXABOROLE& 2-(4-BROMOBUTYL)-1 3 2-BENZODIOXABOROLE& 142172-51-8 C10H12BBrO2
(-)-B-METHOXYDIISOPINOCAMPHEYLBORANE (-)-B-METHOXYDIISOPINOCAMPHEYLBORANE 99438-28-5 C21H37BO
Kaliumselenat Kaliumselenat 7790-59-2 H3KO4Se
2,2'-Azobisphenol 2,2'-Azobisphenol 2050-14-8 C12H10N2O2
1,1-Dimethylhydrazin-monohydrochlorid 1,1-Dimethylhydrazin-monohydrochlorid 593-82-8 C2H9ClN2
N,N-Dimethyl-4-(phenylazo)-m-toluidin N,N-Dimethyl-4-(phenylazo)-m-toluidin 54-88-6 C15H17N3
[R-(R*,S*)]-Dodecyldimethyl(α-methylphenacyl)ammoniumbromid [R-(R*,S*)]-Dodecyldimethyl(α-methylphenacyl)ammoniumbromid 57155-63-2 C23H42BrNO
5-Dimethylaminonaphthalin-1-sulfonohydrazid 5-Dimethylaminonaphthalin-1-sulfonohydrazid 33008-06-9 C12H15N3O2S
3-AMINO-3'-CHLOROBENZANILIDE 3-AMINO-3'-CHLOROBENZANILIDE 115175-22-9 C13H11ClN2O
N,N-Dimethyl-4-(p-tolylazo)anilin N,N-Dimethyl-4-(p-tolylazo)anilin 3010-57-9 C15H17N3
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
BUTYLDIISOPROPOXYBORANE BUTYLDIISOPROPOXYBORANE 86595-32-6 C10H23BO2
(3-TRIFLUOROMETHOXY-PHENYL)-HYDRAZINE HYDROCHLORIDE (3-TRIFLUOROMETHOXY-PHENYL)-HYDRAZINE HYDROCHLORIDE 133115-55-6 C7H8ClF3N2O
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