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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
(S)-(+)-2-Methylbutyric acid (S)-(+)-2-Methylbutyric acid 1730-91-2 C5H10O2
(4-CHLOROPHENYLTHIO)ACETIC ACID (4-CHLOROPHENYLTHIO)ACETIC ACID 3405-88-7 C8H7ClO2S
5-Phenylpenta-2,4-diensure 5-Phenylpenta-2,4-diensure 1552-94-9 C11H10O2
2,2'-dichloressigsaeureanhydrid 2,2'-dichloressigsaeureanhydrid 4124-30-5 C4H2Cl4O3
2,2'-[Ethylenbis(oxy)]bisessigsure 2,2'-[Ethylenbis(oxy)]bisessigsure 23243-68-7 C6H10O6
N-PHENYLIMINODIACETIC ACID N-PHENYLIMINODIACETIC ACID 1137-73-1 C10H11NO4
1-(Chlorformyl)benzylacetat 1-(Chlorformyl)benzylacetat 1638-63-7 C10H9ClO3
trans-DL-Cyclopentan-1,2-dicarbonsure trans-DL-Cyclopentan-1,2-dicarbonsure 1461-97-8 C7H10O4
(BZL)SCH2CH2COOH (BZL)SCH2CH2COOH 2899-66-3 C10H12O2S
BOC-1,2-CIS-ACHC-OH BOC-1,2-CIS-ACHC-OH 63216-49-9 C12H21NO4
(±)-2-Methylbuttersure (±)-2-Methylbuttersure 600-07-7 C5H10O2
ALPHA-HYDROXYHIPPURIC ACID ALPHA-HYDROXYHIPPURIC ACID 16555-77-4 C9H9NO4
N-METHYLHIPPURIC ACID N-METHYLHIPPURIC ACID 2568-34-5 C10H11NO3
3-Phenylbutyrsaeure 3-Phenylbutyrsaeure 4593-90-2 C10H12O2
4-(METHYLAMINO)BUTYRIC ACID HYDROCHLORIDE 4-(METHYLAMINO)BUTYRIC ACID HYDROCHLORIDE 6976-17-6 C5H12ClNO2
2-Bromacrylsure 2-Bromacrylsure 10443-65-9 C3H3BrO2
2-amino-5-bromo-3-nitrobenzoic acid 2-amino-5-bromo-3-nitrobenzoic acid 58580-07-7 C7H5BrN2O4
Tetraethylammoniumhexafluorphosphat Tetraethylammoniumhexafluorphosphat 429-07-2 C8H20F6NP
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
Bis(2-hydroxyethyl)dimethylammoniumchlorid Bis(2-hydroxyethyl)dimethylammoniumchlorid 38402-02-7 C6H16ClNO2
Tetramethylammonium hydrogen sulfate Tetramethylammonium hydrogen sulfate 103812-00-6 C4H13NO4S
4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL CHLORIDE 4-METHOXY-2,3,6-TRIMETHYLBENZENESULFONYL CHLORIDE 80745-07-9 C10H13ClO3S
4-BENZYLOXY-2-NITROTOLUENE 4-BENZYLOXY-2-NITROTOLUENE 24239-67-6 C14H13NO3
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
FORMALDOXIME TRIMER HYDROCHLORIDE FORMALDOXIME TRIMER HYDROCHLORIDE 62479-72-5 C3H10ClN3O3
Di-2-furylethandiondioxim Di-2-furylethandiondioxim 522-27-0 C10H8N2O4
Di-tert-butyl-sec-butylendiperoxid Di-tert-butyl-sec-butylendiperoxid 2167-23-9 C12H26O4
4-Nitrobenzaldehyd-oxim 4-Nitrobenzaldehyd-oxim 1129-37-9 C7H6N2O3
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
Difluormethan Difluormethan 75-10-5 CH2F2
Tetrapropyl Ammonium Fluoride Tetrapropyl Ammonium Fluoride 7217-93-8 C12H28FN
Tetraethylammoniumacetat Tetraethylammoniumacetat 1185-59-7 C10H23NO2
4-AMIDINOPYRIDINIUM CHLORIDE 4-AMIDINOPYRIDINIUM CHLORIDE 42518-06-9 C6H8ClN3
2,4-Dichlor-5-methylbenzol-1-sulfonylchlorid 2,4-Dichlor-5-methylbenzol-1-sulfonylchlorid 28286-86-4 C7H5Cl3O2S
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
Trifluormethan Trifluormethan 75-46-7 CHF3
2-PHENOXYACETAMIDINE HYDROCHLORIDE 2-PHENOXYACETAMIDINE HYDROCHLORIDE 67386-38-3 C8H11ClN2O
1-HEXADECANESULFONYL CHLORIDE 1-HEXADECANESULFONYL CHLORIDE 38775-38-1 C16H33ClO2S
ACETYLSHIKONIN ACETYLSHIKONIN 24502-78-1 C18H18O6
1,1-Diethoxybutan 1,1-Diethoxybutan 3658-95-5 C8H18O2
3-(Chlorsulfonyl)benzoylchlorid 3-(Chlorsulfonyl)benzoylchlorid 4052-92-0 C7H4Cl2O3S
Benzyltrimethylammoniummethanolat Benzyltrimethylammoniummethanolat 122-08-7 C11H19NO
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
2-Toluenesulfonyl isocyanate 2-Toluenesulfonyl isocyanate 32324-19-9 C8H7NO3S
2-Morpholinoethyl isocyanide 2-Morpholinoethyl isocyanide 78375-48-1 C7H12N2O
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
2-CHLORO-6-METHYLPHENYL ISOCYANATE 2-CHLORO-6-METHYLPHENYL ISOCYANATE 40398-01-4 C8H6ClNO
o-Ethoxyphenylisothiocyanat o-Ethoxyphenylisothiocyanat 23163-84-0 C9H9NOS
DIETHYL ISOCYANOMETHYLPHOSPHONATE DIETHYL ISOCYANOMETHYLPHOSPHONATE 41003-94-5 C6H12NO3P
3-CHLORO-2-METHYLPHENYL ISOTHIOCYANATE 3-CHLORO-2-METHYLPHENYL ISOTHIOCYANATE 19241-35-1 C8H6ClNS
9-Chlorphenanthren 9-Chlorphenanthren 947-72-8 C14H9Cl
DIFLUOROIODOMETHANE DIFLUOROIODOMETHANE 1493-03-4 CHF2I
2-ETHYLPHENYL ISOCYANATE 2-ETHYLPHENYL ISOCYANATE 40411-25-4 C9H9NO
4-BROMO-2-FLUOROPHENYL ISOCYANATE 4-BROMO-2-FLUOROPHENYL ISOCYANATE 88112-75-8 C7H3BrFNO
4-Methylbenzyl isocyanate 4-Methylbenzyl isocyanate 56651-57-1 C9H9NO
2-Cyanacetanilid 2-Cyanacetanilid 621-03-4 C9H8N2O
2-(METHOXYCARBONYL)PHENYL ISOCYANATE 2-(METHOXYCARBONYL)PHENYL ISOCYANATE 1793-07-3 C9H7NO3
4-FLUORO-3-(TRIFLUOROMETHYL)PHENYL ISOCYANATE 4-FLUORO-3-(TRIFLUOROMETHYL)PHENYL ISOCYANATE 139057-86-6 C8H3F4NO
DIETHYL(4-NITROBENZYL)PHOSPHONATE DIETHYL(4-NITROBENZYL)PHOSPHONATE 2609-49-6 C11H16NO5P
Diethyl-(iodomethyl)phosphonat Diethyl-(iodomethyl)phosphonat 10419-77-9 C5H12IO3P
Tritylhexafluorphosphat Tritylhexafluorphosphat 437-17-2 C19H15F6P
2-BROMO-4,6-DIFLUOROPHENYL ISOCYANATE 2-BROMO-4,6-DIFLUOROPHENYL ISOCYANATE 190774-48-2 C7H2BrF2NO
3,5-DIMETHYLISOXAZOL-4-YL ISOCYANATE 3,5-DIMETHYLISOXAZOL-4-YL ISOCYANATE 131825-41-7 C6H6N2O2
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
DIETHYL (3,3-DIETHOXYPROPYL)PHOSPHONATE DIETHYL (3,3-DIETHOXYPROPYL)PHOSPHONATE 15110-17-5 C11H25O5P
METHYL 3-ISOCYANATOBENZOATE METHYL 3-ISOCYANATOBENZOATE 41221-47-0 C9H7NO3
2-Nitrophenylisocyanat 2-Nitrophenylisocyanat 3320-86-3 C7H4N2O3
(4-BROMOBUTYL)TRIPHENYLPHOSPHONIUM BROMIDE (4-BROMOBUTYL)TRIPHENYLPHOSPHONIUM BROMIDE 7333-63-3 C22H23Br2P
Dioctylphenylphosphonat Dioctylphenylphosphonat 1754-47-8 C22H39O3P
CARBOMETHOXYMETHYL TRIPHENYLPHOSPHONIUM CHLORIDE CARBOMETHOXYMETHYL TRIPHENYLPHOSPHONIUM CHLORIDE 2181-97-7 C21H20ClO2P
3-(TRIFLUOROMETHYL)-4-METHYLPHENYL ISOC& 3-(TRIFLUOROMETHYL)-4-METHYLPHENYL ISOC& 51903-64-1 C9H6F3NO
DIMIDIUM BROMIDE MONOHYDRATE DIMIDIUM BROMIDE MONOHYDRATE 37889-60-4 C20H20BrN3O
PERFLUORODIMETHYLCYCLOBUTANE PERFLUORODIMETHYLCYCLOBUTANE 28677-00-1 C6F12
Methyltriphenoxyphosphoniumiodid Methyltriphenoxyphosphoniumiodid 17579-99-6 C19H18IO3P
3,5-DIMETHOXYPHENYL ISOTHIOCYANATE 3,5-DIMETHOXYPHENYL ISOTHIOCYANATE 104968-58-3 C9H9NO2S
(4-CYANOBENZYL)TRIPHENYLPHOSPHONIUM CHLORIDE (4-CYANOBENZYL)TRIPHENYLPHOSPHONIUM CHLORIDE 20430-33-5 C26H21ClNP
(2-Ethoxy-2-oxoethyl)triphenylphosphoniumchlorid (2-Ethoxy-2-oxoethyl)triphenylphosphoniumchlorid 17577-28-5 C22H22O2P.Cl
TRANS-1,4-CYCLOHEXANE DIISOCYANATE TRANS-1,4-CYCLOHEXANE DIISOCYANATE 7517-76-2 C8H10N2O2
1,2-Diaminoanthrachinon 1,2-Diaminoanthrachinon 1758-68-5 C14H10N2O2
1,3-Benzoldisulfonsure, 4-[[4-(Ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-yliden]methyl]-, Mononatriumsalz, Verbindung mit Natrium-4-[[4-(dimethylamino)phenyl]azo]benzolsulfonat (1:1) 1,3-Benzoldisulfonsure, 4-[[4-(Ethylamino)-3-methylphenyl][4-(ethylimino)-3-methyl-2,5-cyclohexadien-1-yliden]methyl]-, Mononatriumsalz, Verbindung mit Natrium-4-[[4-(dimethylamino)phenyl]azo]benzolsulfonat (1:1) 62758-15-0 C39H41N5Na2O10S3
Harman Harman 486-84-0 C12H10N2
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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