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
Methyl-4-acetamido-5-chlor-o-anisat Methyl-4-acetamido-5-chlor-o-anisat 4093-31-6 C11H12ClNO4
Trimethylbenzol-1,3,5-tricarboxylat Trimethylbenzol-1,3,5-tricarboxylat 2672-58-4 C12H12O6
Methyl-4-oxovalerat Methyl-4-oxovalerat 624-45-3 C6H10O3
Chloromethyl butyrate Chloromethyl butyrate 33657-49-7 C5H9ClO2
Methyl-1,2,3,6-tetrahydro-2,6-dioxopyrimidin-4-carboxylat Methyl-1,2,3,6-tetrahydro-2,6-dioxopyrimidin-4-carboxylat 6153-44-2 C6H6N2O4
METHYL (S)-(+)-3-HYDROXY-2-METHYLPROPIONATE METHYL (S)-(+)-3-HYDROXY-2-METHYLPROPIONATE 80657-57-4 C5H10O3
Dimethylmethoxymethylenmalonat Dimethylmethoxymethylenmalonat 22398-14-7 C7H10O5
Methyl-2-chloracetoacetat Methyl-2-chloracetoacetat 4755-81-1 C5H7ClO3
Methylundecanoat Methylundecanoat 1731-86-8 C12H24O2
Dimethylbrommalonat Dimethylbrommalonat 868-26-8 C5H7BrO4
Trimethyl orthopropionate Trimethyl orthopropionate 24823-81-2 C6H14O3
Methyl-2,3-dichlorpropionat Methyl-2,3-dichlorpropionat 3674-09-7 C4H6Cl2O2
METHYL 2-BUTYNOATE METHYL 2-BUTYNOATE 23326-27-4 C5H6O2
Methyl 4,5-dimethoxy-3-hydroxybenzoate Methyl 4,5-dimethoxy-3-hydroxybenzoate 83011-43-2 C10H12O5
Methylvalerat Methylvalerat 624-24-8 C6H12O2
Methylheptafluorbutyrat Methylheptafluorbutyrat 356-24-1 C5H3F7O2
(R)-2-METHYL-CBS-OXAZABOROLIDINE (R)-2-METHYL-CBS-OXAZABOROLIDINE 133261-83-3 C18H20BNO
2-(4-CARBOXYPHENYL)-1,3,2-DIOXABORINANE 2-(4-CARBOXYPHENYL)-1,3,2-DIOXABORINANE 126747-13-5 C10H11BO4
Dibenzyl diselenide Dibenzyl diselenide 1482-82-2 C14H14Se2
1,7-Dicarbadodecaboran(12) 1,7-Dicarbadodecaboran(12) 16986-24-6 C2H12B10
Dinatrium-4-[(o-arsonophenyl)azo]-3-hydroxynaphthalin-2,7-disulfonat Dinatrium-4-[(o-arsonophenyl)azo]-3-hydroxynaphthalin-2,7-disulfonat 3688-92-4 C16H14AsN2NaO10S2
4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL 4,5-DIMETHYL-4H-(1,2,4)TRIOZOLE-3-THIOL 38942-50-6 C4H7N3S
6,6'-Di-tert-butyl-4,4'-thiodi-m-kresol 6,6'-Di-tert-butyl-4,4'-thiodi-m-kresol 96-69-5 C22H30O2S
Dinatrium-3-(5-chlor-2-hydroxyphenylazo)-4,5-dihydroxynaphthalin-2,7-disulfonat Dinatrium-3-(5-chlor-2-hydroxyphenylazo)-4,5-dihydroxynaphthalin-2,7-disulfonat 1058-92-0 C16H12ClN2NaO9S2
Bromselenobenzol Bromselenobenzol 34837-55-3 C6H5BrSe
4-[(Trifluormethyl)thio]anilin 4-[(Trifluormethyl)thio]anilin 372-16-7 C7H6F3NS
4-METHOXYAZOBENZENE 4-METHOXYAZOBENZENE 2396-60-3 C13H12N2O
Phenylselenol Phenylselenol 645-96-5 C6H6Se
3,6-Diamino-9-[2-(methoxycarbonyl)phenyl]xanthyliumchlorid 3,6-Diamino-9-[2-(methoxycarbonyl)phenyl]xanthyliumchlorid 62669-70-9 C21H17ClN2O3
Didodecylsulfid Didodecylsulfid 2469-45-6 C24H50S
Dimethyldiselenid Dimethyldiselenid 7101-31-7 C2H6Se2
[2,2'-Bichinolin]-4,4'-dicarbonsure [2,2'-Bichinolin]-4,4'-dicarbonsure 1245-13-2 C20H12N2O4
3-Methylthiopropylamin 3-Methylthiopropylamin 4104-45-4 C4H11NS
2-(Ethylthio)ethanol 2-(Ethylthio)ethanol 110-77-0 C4H10OS
1-Chlor-2-(ethylthio)ethan 1-Chlor-2-(ethylthio)ethan 693-07-2 C4H9ClS
[(2-Chlorethyl)thio]benzol [(2-Chlorethyl)thio]benzol 5535-49-9 C8H9ClS
Dimethyl-2,2'-azobis(2-methylpropionat) Dimethyl-2,2'-azobis(2-methylpropionat) 2589-57-3 C10H18N2O4
S-Phenylthioacetat S-Phenylthioacetat 934-87-2 C8H8OS
Morpholin-Boran Morpholin-Boran 4856-95-5 C4H12BNO
Diisopinocampheylborane Diisopinocampheylborane 21947-87-5 C20H35B
2-ALLENYL-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 2-ALLENYL-4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLANE 865350-17-0 C9H15BO2
Chlorselenobenzol Chlorselenobenzol 5707-04-0 C6H5ClSe
TETRAKIS(DIMETHYLAMINO)DIBORON TETRAKIS(DIMETHYLAMINO)DIBORON 1630-79-1 C8H24B2N4
4-(5,5-Dimethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde 4-(5,5-Dimethyl-1,3,2-dioxaborolan-2-yl)benzaldehyde 128376-65-8 C12H15BO3
[2-(Methylthio)ethyl]amin [2-(Methylthio)ethyl]amin 18542-42-2 C3H9NS
4-[[4-(Dimethylamino)phenyl][4-(dimethyliminio)cyclohexa-2,5-dien-1-yliden]methyl]-N-ethyl-N,N-dimethylanilinium-bromid-chlorid, Verbindung mit Zinkchlorid 4-[[4-(Dimethylamino)phenyl][4-(dimethyliminio)cyclohexa-2,5-dien-1-yliden]methyl]-N-ethyl-N,N-dimethylanilinium-bromid-chlorid, Verbindung mit Zinkchlorid 7114-03-6 C27H35BrCl3N3Zn
Dichlorophenylborane Dichlorophenylborane 873-51-8 C6H5BCl2
1-BROMO-2-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZENE 1-BROMO-2-(4,4,5,5-TETRAMETHYL-1,3,2-DIOXABOROLAN-2-YL)BENZENE 269410-06-2 C12H16BBrO2
Di-tert-butylbicarbamat Di-tert-butylbicarbamat 16466-61-8 C10H20N2O4
Seleninobenzoesaeure Seleninobenzoesaeure 6996-92-5 C6H6O2Se
Dibutyldisulfid Dibutyldisulfid 629-45-8 C8H18S2
2,2'-Azobis(2-methylbutyronitril) 2,2'-Azobis(2-methylbutyronitril) 13472-08-7 C10H16N4
DICYCLOHEXYL(TRIFLUOROMETHANESULFONYLOXY)BORANE DICYCLOHEXYL(TRIFLUOROMETHANESULFONYLOXY)BORANE 145412-54-0 C13H22BF3O3S
2-CHLORO-1,3,2-BENZODIOXABOROLE 2-CHLORO-1,3,2-BENZODIOXABOROLE 55718-76-8 C6H4BClO2
6-(Dibutylamino)-1,3,5-triazin-2,4(1H,3H)-dithion 6-(Dibutylamino)-1,3,5-triazin-2,4(1H,3H)-dithion 29529-99-5 C11H20N4S2
[1,2,4]TRIAZOLO[4,3-A]PYRIDINE-3-THIOL [1,2,4]TRIAZOLO[4,3-A]PYRIDINE-3-THIOL 6952-68-7 C6H5N3S
S-Methylmethanthiosulfonat S-Methylmethanthiosulfonat 2949-92-0 C2H6O2S2
3H-1,2-Benzodithiol-3-one-1,1-dioxide 3H-1,2-Benzodithiol-3-one-1,1-dioxide 66304-01-6 C7H4O3S2
2-ETHYLTHIO-1,3,4-THIADIAZOLE-5-THIOL 2-ETHYLTHIO-1,3,4-THIADIAZOLE-5-THIOL 37147-15-2 C4H6N2S3
5,6-DICHLOROBENZIMIDAZOLE-2-THIOL 5,6-DICHLOROBENZIMIDAZOLE-2-THIOL 19462-98-7 C7H4Cl2N2S
1H,1H,2H,2H-PERFLUOROOCTANETHIOL 1H,1H,2H,2H-PERFLUOROOCTANETHIOL 34451-26-8 C8H5F13S
2-Amino-5-bromobenzenethiol 2-Amino-5-bromobenzenethiol 23451-95-8 C6H6BrNS
DIXYLYL SULFONE DIXYLYL SULFONE 27043-27-2 C16H18O2S
(2-MERCAPTOETHYL)TRIMETHYLSILANE (2-MERCAPTOETHYL)TRIMETHYLSILANE 18143-30-1 C5H14SSi
Benzol-1,2-dithiol Benzol-1,2-dithiol 17534-15-5 C6H6S2
4-METHYLTHIAZOLE-2-THIOL 4-METHYLTHIAZOLE-2-THIOL 4498-39-9 C4H5NS2
Tioxolon Tioxolon 4991-65-5 C7H4O3S
TRIISOPROPYLSILANETHIOL TRIISOPROPYLSILANETHIOL 156275-96-6 C9H22SSi
4-PROPOXY-PYRIMIDINE-2-THIOL 4-PROPOXY-PYRIMIDINE-2-THIOL 438219-92-2 C7H10N2OS
5-BENZYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 5-BENZYLTHIO-1,3,4-THIADIAZOLE-2-THIOL 4858-36-0 C9H8N2S3
4-Chlorbenzol-1,3-dithiol 4-Chlorbenzol-1,3-dithiol 58593-78-5 C6H5ClS2
5-(PROPYLTHIO)-1,3,4-THIADIAZOLE-2-THIOL 5-(PROPYLTHIO)-1,3,4-THIADIAZOLE-2-THIOL 19921-88-1 C5H8N2S3
TRIMETHYLSILYLMETHANETHIOL TRIMETHYLSILYLMETHANETHIOL 18165-76-9 C4H12SSi
5-Nitrobenzothiazole-2-thiol 5-Nitrobenzothiazole-2-thiol 58759-63-0 C7H4N2O2S2
Heptan-1-thiol Heptan-1-thiol 1639-09-4 C7H16S
4-(2-THIENYL)PYRIMIDINE-2-THIOL 4-(2-THIENYL)PYRIMIDINE-2-THIOL 175202-75-2 C8H6N2S2
5-THIOPHEN-2-YL-[1,3,4]OXADIAZOLE-2-THIOL 5-THIOPHEN-2-YL-[1,3,4]OXADIAZOLE-2-THIOL 10551-15-2 C6H4N2OS2
Di-p-tolylsulfon Di-p-tolylsulfon 599-66-6 C14H14O2S
2,4,4-Trimethylpentan-2-thiol 2,4,4-Trimethylpentan-2-thiol 141-59-3 C8H18S
3,4-Dichlortoluol-α-thiol 3,4-Dichlortoluol-α-thiol 36480-40-7 C7H6Cl2S
3-Nitro-2-pyridinethiol 3-Nitro-2-pyridinethiol 38240-29-8 C5H4N2O2S
Decan-1-thiol Decan-1-thiol 143-10-2 C10H22S
Octan-1,8-dithiol Octan-1,8-dithiol 1191-62-4 C8H18S2
2-ANILINO-4,6-DIMERCAPTO-1,3,5-TRIAZINE 2-ANILINO-4,6-DIMERCAPTO-1,3,5-TRIAZINE 13733-91-0 C9H8N4S2
2-METHYLBENZYL MERCAPTAN 2-METHYLBENZYL MERCAPTAN 7341-24-4 C8H10S
4-PYRIDINEETHANETHIOL HYDROCHLORIDE 4-PYRIDINEETHANETHIOL HYDROCHLORIDE 6298-11-9 C7H10ClNS
p-Fluortoluol-α-thiol p-Fluortoluol-α-thiol 15894-04-9 C7H7FS
DIMETHYLCYSTEAMINE HYDROCHLORIDE DIMETHYLCYSTEAMINE HYDROCHLORIDE 32047-53-3 C6H17ClN2S2
Tetradecan-1-thiol Tetradecan-1-thiol 2079-95-0 C14H30S
Toluol-3,4-dithiol Toluol-3,4-dithiol 496-74-2 C7H8S2
4-Amino-5-phenyl-4H-1,2,4-triazole-3-thiol 4-Amino-5-phenyl-4H-1,2,4-triazole-3-thiol 22706-11-2 C8H8N4S
Pentan-1,5-dithiol Pentan-1,5-dithiol 928-98-3 C5H12S2
tert-Dodecanthiol tert-Dodecanthiol 25103-58-6 C12H26S
3-METHYLBENZYL MERCAPTAN 3-METHYLBENZYL MERCAPTAN 25697-56-7 C8H10S
PYRIDO[3,2-D][1,3]THIAZOLE-2-THIOL PYRIDO[3,2-D][1,3]THIAZOLE-2-THIOL 57135-09-8 C6H4N2S2
2,3,5,6-Tetrachlorpyridin-4-thiol 2,3,5,6-Tetrachlorpyridin-4-thiol 10351-06-1 C5HCl4NS
Pentafluorthiophenol Pentafluorthiophenol 771-62-0 C6HF5S
1H-IMIDAZO[4,5-B]PYRIDINE-2-THIOL 1H-IMIDAZO[4,5-B]PYRIDINE-2-THIOL 29448-81-5 C6H5N3S
3,7-DITHIA-1,9-NONANEDITHIOL 3,7-DITHIA-1,9-NONANEDITHIOL 25676-62-4 C7H16S4
4-(4-METHOXYPHENYL)PYRIMIDINE-2-THIOL 4-(4-METHOXYPHENYL)PYRIMIDINE-2-THIOL 175202-77-4 C11H10N2OS
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