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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
Biphenyl-2,2'-dicarbonsureanhydrid Biphenyl-2,2'-dicarbonsureanhydrid 6050-13-1 C14H8O3
(4-METHYL-PIPERAZIN-1-YL)-ACETIC ACID (4-METHYL-PIPERAZIN-1-YL)-ACETIC ACID 54699-92-2 C7H14N2O2
2-(METHYLTHIO)BENZOIC ACID 2-(METHYLTHIO)BENZOIC ACID 3724-10-5 C8H8O2S
2-CHLORO-4-METHYLBENZOIC ACID 2-CHLORO-4-METHYLBENZOIC ACID 7697-25-8 C8H7ClO2
3,5-Diiodsalicylsure 3,5-Diiodsalicylsure 133-91-5 C7H4I2O3
2-AMINO-5-TRIFLUOROMETHYL-BENZOIC ACID 2-AMINO-5-TRIFLUOROMETHYL-BENZOIC ACID 83265-53-6 C8H6F3NO2
4-Hydroxy-3,5-dimethylbenzoic acid 4-Hydroxy-3,5-dimethylbenzoic acid 4919-37-3 C9H10O3
2,4-DIFLUOROCINNAMIC ACID 2,4-DIFLUOROCINNAMIC ACID 94977-52-3 C9H6F2O2
3-SULFAMOYL-BENZOIC ACID 3-SULFAMOYL-BENZOIC ACID 636-76-0 C7H7NO4S
Nitroterephthalsure Nitroterephthalsure 610-29-7 C8H5NO6
3,5-Dihydroxy-2-naphthoesure 3,5-Dihydroxy-2-naphthoesure 89-35-0 C11H8O4
4-NITROISOPHTHALIC ACID 4-NITROISOPHTHALIC ACID 4315-09-7 C8H5NO6
4-Cyanphenylessigsure 4-Cyanphenylessigsure 5462-71-5 C9H7NO2
4-METHOXY-2-METHYLBENZOIC ACID 4-METHOXY-2-METHYLBENZOIC ACID 6245-57-4 C9H10O3
Methyl 3-cyclopentenecarboxylate Methyl 3-cyclopentenecarboxylate 58101-60-3 C7H10O2
2-Amino-3,5-dichlorbenzoesure 2-Amino-3,5-dichlorbenzoesure 2789-92-6 C7H5Cl2NO2
2,6-Bis(trifluormethyl)benzoesure 2,6-Bis(trifluormethyl)benzoesure 24821-22-5 C9H4F6O2
2,4,6-TRIHYDROXYBENZOIC ACID MONOHYDRATE 2,4,6-TRIHYDROXYBENZOIC ACID MONOHYDRATE 71989-93-0 C7H8O6
5-Iodsalicylsure 5-Iodsalicylsure 119-30-2 C7H5IO3
2-Thiophenbuttersaeure 2-Thiophenbuttersaeure 4653-11-6 C8H10O2S
Naphthalin-2,3-dicarbonsure Naphthalin-2,3-dicarbonsure 2169-87-1 C12H8O4
3-(4-CARBOXYPHENYL)PROPIONIC ACID 3-(4-CARBOXYPHENYL)PROPIONIC ACID 38628-51-2 C10H10O4
3,5-Dimethylphenylacetic acid 3,5-Dimethylphenylacetic acid 42288-46-0 C10H12O2
2-(Methylsulfonyl)benzoic Acid 2-(Methylsulfonyl)benzoic Acid 33963-55-2 C8H8O4S
MORPHOLIN-4-YL-ACETIC ACID MORPHOLIN-4-YL-ACETIC ACID 3235-69-6 C6H11NO3
4-Bromomethyl-3-nitrobenzoic acid 4-Bromomethyl-3-nitrobenzoic acid 55715-03-2 C8H6BrNO4
Ethylmalonsure Ethylmalonsure 601-75-2 C5H8O4
trans-2,3-Dimethoxycinnamic acid trans-2,3-Dimethoxycinnamic acid 7345-82-6 C11H12O4
4-(DIFLUOROMETHOXY)BENZOIC ACID 4-(DIFLUOROMETHOXY)BENZOIC ACID 4837-20-1 C8H6F2O3
4-Propylbenzoic acid 4-Propylbenzoic acid 2438-05-3 C10H12O2
Benzylmalonsure Benzylmalonsure 616-75-1 C10H10O4
1-Hydroxy-1-cyclopropanecarboxylic acid 1-Hydroxy-1-cyclopropanecarboxylic acid 17994-25-1 C4H6O3
2-Propoxybenzoic acid 2-Propoxybenzoic acid 2100-31-4 C10H12O3
6-METHOXY-2-NAPHTHOIC ACID 6-METHOXY-2-NAPHTHOIC ACID 2471-70-7 C12H10O3
5,5'-Methylendisalicylsure 5,5'-Methylendisalicylsure 122-25-8 C15H12O6
4-Methylthiophenylacetic acid 4-Methylthiophenylacetic acid 16188-55-9 C9H10O2S
4-Iodo-3-nitrobenzoic acid 4-Iodo-3-nitrobenzoic acid 35674-27-2 C7H4INO4
(2-Methoxyphenoxy)essigsure (2-Methoxyphenoxy)essigsure 1878-85-9 C9H10O4
3,5-Dibromsalicylsaeure 3,5-Dibromsalicylsaeure 3147-55-5 C7H4Br2O3
3,6,9,12-Tetrakis(carboxymethyl)-3,6,9,12-tetraazatetradecandisure 3,6,9,12-Tetrakis(carboxymethyl)-3,6,9,12-tetraazatetradecandisure 869-52-3 C18H30N4O12
2,5-Dihydroxyterephthalsure 2,5-Dihydroxyterephthalsure 610-92-4 C8H6O6
2-Oxopyran-5-carbonsure 2-Oxopyran-5-carbonsure 500-05-0 C6H4O4
4-Morpholinobenzoic acid 4-Morpholinobenzoic acid 7470-38-4 C11H13NO3
2-Hydroxy-1-naphthoesure 2-Hydroxy-1-naphthoesure 2283-08-1 C11H8O3
3,4-Diethoxybenzoesure 3,4-Diethoxybenzoesure 5409-31-4 C11H14O4
4-BROMO-3,5-DIMETHOXYBENZOIC ACID 4-BROMO-3,5-DIMETHOXYBENZOIC ACID 56518-42-4 C9H9BrO4
Tetrafluorphthalsureanhydrid Tetrafluorphthalsureanhydrid 652-12-0 C8F4O3
4-Hexyloxybenzoesure 4-Hexyloxybenzoesure 1142-39-8 C13H18O3
3-Chlorphenoxyessigsure 3-Chlorphenoxyessigsure 588-32-9 C8H7ClO3
3,7-Dihydroxy-2-naphthoic acid 3,7-Dihydroxy-2-naphthoic acid 83511-07-3 C11H8O4
3-Brom-4-methoxybenzoesure 3-Brom-4-methoxybenzoesure 99-58-1 C8H7BrO3
2,3-Dichlorophenylacetic acid 2,3-Dichlorophenylacetic acid 10236-60-9 C8H6Cl2O2
2-BROMO-4-METHYLBENZONITRILE 2-BROMO-4-METHYLBENZONITRILE 42872-73-1 C8H6BrN
3,5-Dichlorsalicylsure 3,5-Dichlorsalicylsure 320-72-9 C7H4Cl2O3
Isovaleriansureanhydrid Isovaleriansureanhydrid 1468-39-9 C10H18O3
Octacosansure Octacosansure 506-48-9 C28H56O2
(+-)-2-Aminooctansure (+-)-2-Aminooctansure 644-90-6 C8H17NO2
3-DIMETHYLAMINOPROPIONIC ACID HYDROCHLORIDE 3-DIMETHYLAMINOPROPIONIC ACID HYDROCHLORIDE 14788-12-6 C5H12ClNO2
trans-2-Hydroxyzimtsure trans-2-Hydroxyzimtsure 614-60-8 C9H8O3
2,2-Dimethylvaleriansure 2,2-Dimethylvaleriansure 1185-39-3 C7H14O2
(Z)-Hexadec-9-ensure (Z)-Hexadec-9-ensure 373-49-9 C16H30O2
3-Methyl-4-nitro-1-p-nitrophenyl-5-pyrazolon 3-Methyl-4-nitro-1-p-nitrophenyl-5-pyrazolon 550-74-3 C10H8N4O5
N-(Aminocarbonyl)-DL-aspartsure N-(Aminocarbonyl)-DL-aspartsure 923-37-5 C5H8N2O5
Cyclopentylphenylglykolsure Cyclopentylphenylglykolsure 427-49-6 C13H16O3
2-Methylpent-4-en-1-sure 2-Methylpent-4-en-1-sure 1575-74-2 C6H10O2
N-(o-Toluoyl)glycin N-(o-Toluoyl)glycin 42013-20-7 C10H11NO3
1-Cyclopentenecarboxylic acid 1-Cyclopentenecarboxylic acid 1560-11-8 C6H8O2
Cyclopentane-1,1-diacetic acid Cyclopentane-1,1-diacetic acid 16713-66-9 C9H14O4
(p-Formylphenoxy)essigsure (p-Formylphenoxy)essigsure 22042-71-3 C9H8O4
beta-Hydroxyisovaleric Acid beta-Hydroxyisovaleric Acid 625-08-1 C5H10O3
2-Brom-3-methylbuttersure 2-Brom-3-methylbuttersure 565-74-2 C5H9BrO2
trans-Hex-3-ensure trans-Hex-3-ensure 1577-18-0 C6H10O2
Iodessigs?ure Iodessigs?ure 64-69-7 C2H3IO2
S-TRITYL-3-MERCAPTOPROPIONIC ACID S-TRITYL-3-MERCAPTOPROPIONIC ACID 27144-18-9 C22H20O2S
o-(Trifluormethyl)zimtsure o-(Trifluormethyl)zimtsure 2062-25-1 C10H7F3O2
Triacontansaeure Triacontansaeure 506-50-3 C30H60O2
Natrium-2-hydroxybutyrat Natrium-2-hydroxybutyrat 5094-24-6 C4H7NaO3
Nervonic acid Nervonic acid 506-37-6 C24H46O2
Oct-2-ensaeure Oct-2-ensaeure 1871-67-6 C8H14O2
2-(Methylamino)isobuttersaeure 2-(Methylamino)isobuttersaeure 2566-34-9 C5H11NO2
5-Fluoruracil-4-carbonsure 5-Fluoruracil-4-carbonsure 703-95-7 C5H3FN2O4
Undec-10-insure Undec-10-insure 2777-65-3 C11H18O2
4-Methoxyphenylglykolsure 4-Methoxyphenylglykolsure 10502-44-0 C9H10O4
Tetradecandisure Tetradecandisure 821-38-5 C14H26O4
Dichlorprop (ISO) Dichlorprop (ISO) 120-36-5 C9H8Cl2O3
But-3-ensaeure But-3-ensaeure 625-38-7 C4H6O2
2,5-Dimethoxyphenylessigsure 2,5-Dimethoxyphenylessigsure 1758-25-4 C10H12O4
3-(2-METHYLPHENYL)PROPIONIC ACID 3-(2-METHYLPHENYL)PROPIONIC ACID 22084-89-5 C10H12O2
Benzo-1,3-dioxol-5-essigsure Benzo-1,3-dioxol-5-essigsure 2861-28-1 C9H8O4
(Methoxymethyl)diphenylphosphinoxid (Methoxymethyl)diphenylphosphinoxid 4455-77-0 C14H15O2P
3,5,5-Trimethylhexansaeure 3,5,5-Trimethylhexansaeure 3302-10-1 C9H18O2
4-HYDROXYMANDELIC ACID MONOHYDRATE 4-HYDROXYMANDELIC ACID MONOHYDRATE 184901-84-6 C8H10O5
(-)-DIPIVALOYL-L-TARTARIC ACID (-)-DIPIVALOYL-L-TARTARIC ACID 65259-81-6 C14H22O8
HENEICOSANOIC ACID HENEICOSANOIC ACID 2363-71-5 C21H42O2
3-Cyclopentylpropionsure 3-Cyclopentylpropionsure 140-77-2 C8H14O2
4-Hydroxy-3-methoxymandelsure 4-Hydroxy-3-methoxymandelsure 55-10-7 C9H10O5
1-Brombutanon 1-Brombutanon 816-40-0 C4H7BrO
Tribromessigsure Tribromessigsure 75-96-7 C2HBr3O2
Tetracosansure Tetracosansure 557-59-5 C24H48O2
5-BROMO-2-NITRO-BENZOIC ACID 5-BROMO-2-NITRO-BENZOIC ACID 6950-43-2 C7H4BrNO4
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