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-(4-Chlorphenyl)-2-oxoethylthiocyanat 2-(4-Chlorphenyl)-2-oxoethylthiocyanat 19339-59-4 C9H6ClNOS
1 3-PHENYLENE DIISOTHIOCYANATE  97 1 3-PHENYLENE DIISOTHIOCYANATE 97 3125-77-7 C8H4N2S2
2-Methoxyethylisothiocyanat 2-Methoxyethylisothiocyanat 38663-85-3 C4H7NOS
3-NITROPHENYL ISOTHIOCYANATE 3-NITROPHENYL ISOTHIOCYANATE 3529-82-6 C7H4N2O2S
2,3,4-TRIFLUOROPHENYL ISOTHIOCYANATE 2,3,4-TRIFLUOROPHENYL ISOTHIOCYANATE 119474-40-7 C7H2F3NS
2,5-DICHLOROPHENYL ISOTHIOCYANATE 2,5-DICHLOROPHENYL ISOTHIOCYANATE 3386-42-3 C7H3Cl2NS
1-BROMO-4-ISOTHIOCYANATOMETHYLBENZENE 1-BROMO-4-ISOTHIOCYANATOMETHYLBENZENE 155863-32-4 C8H6BrNS
1-BUTYL-3-METHYLIMIDAZOLIUM DICYANAMIDE 1-BUTYL-3-METHYLIMIDAZOLIUM DICYANAMIDE 448245-52-1 C10H15N5
1-ALLYL-3-METHYLIMIDAZOLIUM CHLORIDE 1-ALLYL-3-METHYLIMIDAZOLIUM CHLORIDE 65039-10-3 C7H11ClN2
N-BUTYL-4-METHYLPYRIDINIUM TETRAFLUOROBORATE N-BUTYL-4-METHYLPYRIDINIUM TETRAFLUOROBORATE 343952-33-0 C10H16BF4N
BASIONIC(TM) ST 99 BASIONIC(TM) ST 99 65086-12-6 C7H14N2O4S
1-Butyl-3-methylimidazolium  dibutyl  phosphate 1-Butyl-3-methylimidazolium dibutyl phosphate 663199-28-8 C16H33N2O4P
1-ALLYL-3-METHYLIMIDAZOLIUM BROMIDE 1-ALLYL-3-METHYLIMIDAZOLIUM BROMIDE 31410-07-8 C7H11N2Br
CYCLOHEXYLTRIMETHYLAMMONIUM BIS(TRIFLUOROMETHANESULFONYL)IMIDE CYCLOHEXYLTRIMETHYLAMMONIUM BIS(TRIFLUOROMETHANESULFONYL)IMIDE 952155-74-7 C11H20F6N2O4S2
1-BUTYL-3-METHYLIMIDAZOLIUM METHANESULFONATE 1-BUTYL-3-METHYLIMIDAZOLIUM METHANESULFONATE 342789-81-5 C9H18N2O3S
1-DECYL-3-METHYLIMIDAZOLIUM TETRAFLUOROBORATE 1-DECYL-3-METHYLIMIDAZOLIUM TETRAFLUOROBORATE 244193-56-4 C14H27BF4N2
1-BUTYL-3-METHYLIMIDAZOLIUM THIOCYANATE 1-BUTYL-3-METHYLIMIDAZOLIUM THIOCYANATE 344790-87-0 C9H15N3S
1-BUTYL-3-METHYLIMIDAZOLIUM HYDROGENSULFATE 1-BUTYL-3-METHYLIMIDAZOLIUM HYDROGENSULFATE 262297-13-2 C8H16N2O4S
9-[4-(Chlorsulfonyl)-2-sulfonatophenyl]-3,6-bis(diethylamino)xanthylium 9-[4-(Chlorsulfonyl)-2-sulfonatophenyl]-3,6-bis(diethylamino)xanthylium 62796-29-6 C27H29ClN2O6S2
PARAFFIN PARAFFIN 8020-83-5 NULL
1,7-PHENANTHROLINE 1,7-PHENANTHROLINE 230-46-6 C12H8N2
2-BUTYNAL DIETHYL ACETAL 2-BUTYNAL DIETHYL ACETAL 2806-97-5 C8H14O2
2-Methylanthracen 2-Methylanthracen 613-12-7 C15H12
1-METHYL-3-OCTYLIMIDAZOLIUM TRIFLUOROMET 1-METHYL-3-OCTYLIMIDAZOLIUM TRIFLUOROMET 403842-84-2 C13H23F3N2O3S
4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL CHLORIDE 4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL CHLORIDE 80745-07-9 C10H13ClO3S
1-BUTYL-3-METHYL-IMIDAZOLIUM-TOSYLATE 1-BUTYL-3-METHYL-IMIDAZOLIUM-TOSYLATE 410522-18-8 C15H22N2O3S
9-Chlorphenanthren 9-Chlorphenanthren 947-72-8 C14H9Cl
DIFLUOROIODOMETHANE DIFLUOROIODOMETHANE 1493-03-4 CHF2I
TRIHEXYL(TETRADECYL)PHOSPHONIUM DECANOATE TRIHEXYL(TETRADECYL)PHOSPHONIUM DECANOATE 465527-65-5 C42H87O2P
DIETHYL(4-NITROBENZYL)PHOSPHONATE DIETHYL(4-NITROBENZYL)PHOSPHONATE 2609-49-6 C11H16NO5P
1-ETHYL-2,3-DIMETHYLIMIDAZOLIUM CHLORIDE 1-ETHYL-2,3-DIMETHYLIMIDAZOLIUM CHLORIDE 92507-97-6 C7H13ClN2
Di-tert-butyl-sec-butylendiperoxid Di-tert-butyl-sec-butylendiperoxid 2167-23-9 C12H26O4
Tritylhexafluorphosphat Tritylhexafluorphosphat 437-17-2 C19H15F6P
Chrysen-6-ylamin Chrysen-6-ylamin 2642-98-0 C18H13N
[(2-Methylphenyl)methyl]triphenylphosphoniumchlorid [(2-Methylphenyl)methyl]triphenylphosphoniumchlorid 63368-36-5 C26H24ClP
Phenyldichlorphosphit Phenyldichlorphosphit 3426-89-9 C6H5Cl2OP
2-Hydroxy-N,N,N-trimethyl-ethanaminium, Salz mit2-Hydroxybenzoesäure (1:1) 2-Hydroxy-N,N,N-trimethyl-ethanaminium, Salz mit2-Hydroxybenzoesäure (1:1) 2016-36-6 C12H19NO4
DIETHYL (3,3-DIETHOXYPROPYL)PHOSPHONATE DIETHYL (3,3-DIETHOXYPROPYL)PHOSPHONATE 15110-17-5 C11H25O5P
Difluormethan Difluormethan 75-10-5 CH2F2
(4-BROMOBUTYL)TRIPHENYLPHOSPHONIUM BROMIDE (4-BROMOBUTYL)TRIPHENYLPHOSPHONIUM BROMIDE 7333-63-3 C22H23Br2P
2,4-Dichlor-5-methylbenzol-1-sulfonylchlorid 2,4-Dichlor-5-methylbenzol-1-sulfonylchlorid 28286-86-4 C7H5Cl3O2S
CARBOMETHOXYMETHYL TRIPHENYLPHOSPHONIUM CHLORIDE CARBOMETHOXYMETHYL TRIPHENYLPHOSPHONIUM CHLORIDE 2181-97-7 C21H20ClO2P
Trifluormethan Trifluormethan 75-46-7 CHF3
DIMIDIUM BROMIDE MONOHYDRATE DIMIDIUM BROMIDE MONOHYDRATE 37889-60-4 C20H20BrN3O
1-HEXADECANESULFONYL CHLORIDE 1-HEXADECANESULFONYL CHLORIDE 38775-38-1 C16H33ClO2S
3-(Chlorsulfonyl)benzoylchlorid 3-(Chlorsulfonyl)benzoylchlorid 4052-92-0 C7H4Cl2O3S
PERFLUORODIMETHYLCYCLOBUTANE PERFLUORODIMETHYLCYCLOBUTANE 28677-00-1 C6F12
1-HEXYL-2,3-DIMETHYLIMIDAZOLIUM TETRAFLUOROBORATE 1-HEXYL-2,3-DIMETHYLIMIDAZOLIUM TETRAFLUOROBORATE 384347-21-1 C11H21N2.BF4
Methyltriphenoxyphosphoniumiodid Methyltriphenoxyphosphoniumiodid 17579-99-6 C19H18IO3P
(4-CYANOBENZYL)TRIPHENYLPHOSPHONIUM CHLORIDE (4-CYANOBENZYL)TRIPHENYLPHOSPHONIUM CHLORIDE 20430-33-5 C26H21ClNP
TRIHEXYL(TETRADECYL)PHOSPHONIUM BIS(TRIFLUOROMETHYLSULFONYL)IMIDE TRIHEXYL(TETRADECYL)PHOSPHONIUM BIS(TRIFLUOROMETHYLSULFONYL)IMIDE 460092-03-9 C34H68F6NO4PS2
(2-Ethoxy-2-oxoethyl)triphenylphosphoniumchlorid (2-Ethoxy-2-oxoethyl)triphenylphosphoniumchlorid 17577-28-5 C22H22O2P.Cl
1,2-Diaminoanthrachinon 1,2-Diaminoanthrachinon 1758-68-5 C14H10N2O2
Harman Harman 486-84-0 C12H10N2
2-Toluenesulfonyl isocyanate 2-Toluenesulfonyl isocyanate 32324-19-9 C8H7NO3S
2-Morpholinoethyl isocyanide 2-Morpholinoethyl isocyanide 78375-48-1 C7H12N2O
Bis(2-hydroxyethyl)dimethylammoniumchlorid Bis(2-hydroxyethyl)dimethylammoniumchlorid 38402-02-7 C6H16ClNO2
2-CHLORO-6-METHYLPHENYL ISOCYANATE 2-CHLORO-6-METHYLPHENYL ISOCYANATE 40398-01-4 C8H6ClNO
Tetramethylammonium hydrogen sulfate Tetramethylammonium hydrogen sulfate 103812-00-6 C4H13NO4S
4-BENZYLOXY-2-NITROTOLUENE 4-BENZYLOXY-2-NITROTOLUENE 24239-67-6 C14H13NO3
3-CHLORO-2-METHYLPHENYL ISOTHIOCYANATE 3-CHLORO-2-METHYLPHENYL ISOTHIOCYANATE 19241-35-1 C8H6ClNS
3-Ethoxy-2-methylacrylaldehyd 3-Ethoxy-2-methylacrylaldehyd 42588-57-8 C6H10O2
(4-OXO-3,4-DIHYDROPHTHALAZIN-1-YL)ACETIC ACID (4-OXO-3,4-DIHYDROPHTHALAZIN-1-YL)ACETIC ACID 25947-11-9 C10H8N2O3
2-ETHYLPHENYL ISOCYANATE 2-ETHYLPHENYL ISOCYANATE 40411-25-4 C9H9NO
Tetraethylammoniumhexafluorphosphat Tetraethylammoniumhexafluorphosphat 429-07-2 C8H20F6NP
4-BROMO-2-FLUOROPHENYL ISOCYANATE 4-BROMO-2-FLUOROPHENYL ISOCYANATE 88112-75-8 C7H3BrFNO
2-Cyanacetanilid 2-Cyanacetanilid 621-03-4 C9H8N2O
FORMALDOXIME TRIMER HYDROCHLORIDE FORMALDOXIME TRIMER HYDROCHLORIDE 62479-72-5 C3H10ClN3O3
2-(METHOXYCARBONYL)PHENYL ISOCYANATE 2-(METHOXYCARBONYL)PHENYL ISOCYANATE 1793-07-3 C9H7NO3
Di-2-furylethandiondioxim Di-2-furylethandiondioxim 522-27-0 C10H8N2O4
Diethyl-(iodomethyl)phosphonat Diethyl-(iodomethyl)phosphonat 10419-77-9 C5H12IO3P
4-Nitrobenzaldehyd-oxim 4-Nitrobenzaldehyd-oxim 1129-37-9 C7H6N2O3
2-BROMO-4,6-DIFLUOROPHENYL ISOCYANATE 2-BROMO-4,6-DIFLUOROPHENYL ISOCYANATE 190774-48-2 C7H2BrF2NO
2-Oxopropionaldehyd-1-oxim 2-Oxopropionaldehyd-1-oxim 306-44-5 C3H5NO2
2-(2-PYRIDYL)MALONDIALDEHYDE 2-(2-PYRIDYL)MALONDIALDEHYDE 212755-83-4 C8H7NO2
5-Nitro-2-furaldehydoxim 5-Nitro-2-furaldehydoxim 555-15-7 C5H4N2O4
(E)-4-Decenal (E)-4-Decenal 65405-70-1 C10H18O
METHYL 3-ISOCYANATOBENZOATE METHYL 3-ISOCYANATOBENZOATE 41221-47-0 C9H7NO3
Tetrapropyl Ammonium Fluoride Tetrapropyl Ammonium Fluoride 7217-93-8 C12H28FN
Dioctylphenylphosphonat Dioctylphenylphosphonat 1754-47-8 C22H39O3P
Tetraethylammoniumacetat Tetraethylammoniumacetat 1185-59-7 C10H23NO2
4-AMIDINOPYRIDINIUM CHLORIDE 4-AMIDINOPYRIDINIUM CHLORIDE 42518-06-9 C6H8ClN3
2-(4-PYRIMIDYL)MALONDIALDEHYDE 2-(4-PYRIMIDYL)MALONDIALDEHYDE 28648-78-4 C7H6N2O2
5-BROMOTHIOPHENE-2-CARBOXALDEHYDE OXIME 5-BROMOTHIOPHENE-2-CARBOXALDEHYDE OXIME 2160-63-6 C5H4BrNOS
2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL 2,2'-BIS(DI-P-TOLYLPHOSPHINO)-1,1'-BINAPHTHYL 153305-67-0 C48H40P2
3-(TRIFLUOROMETHYL)-4-METHYLPHENYL ISOC& 3-(TRIFLUOROMETHYL)-4-METHYLPHENYL ISOC& 51903-64-1 C9H6F3NO
2-PHENOXYACETAMIDINE HYDROCHLORIDE 2-PHENOXYACETAMIDINE HYDROCHLORIDE 67386-38-3 C8H11ClN2O
ACETYLSHIKONIN ACETYLSHIKONIN 24502-78-1 C18H18O6
1,1-Diethoxybutan 1,1-Diethoxybutan 3658-95-5 C8H18O2
Benzyltrimethylammoniummethanolat Benzyltrimethylammoniummethanolat 122-08-7 C11H19NO
3,5-DIMETHOXYPHENYL ISOTHIOCYANATE 3,5-DIMETHOXYPHENYL ISOTHIOCYANATE 104968-58-3 C9H9NO2S
4-HYDROXY-3-NITROCOUMARIN 4-HYDROXY-3-NITROCOUMARIN 20261-31-8 C9H5NO5
7-Methoxy-3,7-dimethyloctanal 7-Methoxy-3,7-dimethyloctanal 3613-30-7 C11H22O2
7-Hydroxyisoflavone 7-Hydroxyisoflavone 13057-72-2 C15H10O3
Tetrahexylammoniumbenzoat Tetrahexylammoniumbenzoat 16436-29-6 C31H57NO2
4-METHOXYBENZAMIDINE, HYDROCHLORIDE 4-METHOXYBENZAMIDINE, HYDROCHLORIDE 51721-68-7 C8H11ClN2O
3-Chlor-6-isothiocyanatotoluol 3-Chlor-6-isothiocyanatotoluol 23165-53-9 C8H6ClNS
3-CYCLOPENTYL-1-PROPYNE 3-CYCLOPENTYL-1-PROPYNE 116279-08-4 C8H12
2-CHLORO-4-METHYLPHENYL ISOTHIOCYANATE 2-CHLORO-4-METHYLPHENYL ISOTHIOCYANATE 57878-93-0 C8H6ClNS
Disodium phenyl phosphate dihydrate Disodium phenyl phosphate dihydrate 66778-08-3 C6H10NaO5P
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