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HomeCarboxaldehydes / Acetals / Hemianimals

Carboxaldehydes / Acetals / Hemianimals


Aldehydes are organic compounds that contain terminal carbonyl functional group (formyl group). Hemiacetals and acetals are formed from and convertible to aldehydes when reacted with alcohols. Acetals are stable compared to hemiacetals, but their formation is a reversible equilibrium as with esters. Acetals are used in organic synthesis as protecting groups for carbonyl groups or diols. Glucose and many other aldoses exist as cyclic hemiacetals. Hemiaminals are a type of chemical compounds that have a hydroxyl group and an amine attached to the same carbon atom. They are intermediates in imine formation from an amine and a carbonyl compound.

Product nameStructureCAS#G-code
New5-Iodo-2-methoxybenzaldehydeStructure of 5-Iodo-2-methoxybenzaldehyde[42298-41-9]GEO-04564
NewTetradecanalStructure of Tetradecanal[124-25-4]GEO-04415
(2,2-Dimethyl-[1,3]-dioxolan-4-yl)methylamine[22195-47-7]GEO-01182
(E)-Methyl 2-cyano-3-(1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)acrylateN/AGEO-03546
(R)-(-)-(2,2-Dimethyl-[1,3]-dioxolan-4-yl)methylamine[103883-30-3]GEO-01180
(R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-methanol[14347-78-5]GEO-01175
(R)-(-)-2,2-Dimethyl-1,3-dioxolane-4-ylmethyl p-toluenesulfonate[23788-74-1]GEO-01178
(R)-(+)-2,2-Dimethyl-1,3-dioxolane-4-carboxaldehyde[15186-48-8]GEO-01173
(S)-(+)-(2,2-Dimethyl-[1,3]-dioxolan-4-yl)methylamine[82954-65-2]GEO-01181
(S)-(+)-2,2-Dimethyl-1,3-dioxolane-4-methanol[22323-82-6]GEO-01176
(S)-(+)-2,2-Dimethyl-1,3-dioxolane-4-ylmethyl p-toluenesulfonate[23735-43-5]GEO-01179
1-Iodo-3,5-dinitrobenzeneStructure of 1-Iodo-3,5-dinitrobenzene[6276-04-6]GEO-01598
1-Methyl-2-imidazolecarboxaldehydeStructure of 1-Methyl-2-imidazolecarboxaldehyde[13750-81-7]GEO-01857
1-Methylindole-3-carboxaldehydeStructure of 1-Methylindole-3-carboxaldehyde[19012-03-4]GEO-01854
1-Thio-beta-D-glucose tetraacetateStructure of 1-Thio-beta-D-glucose tetraacetate[19879-84-6]GEO-02308
1-Thio-D-glucose sodium saltStructure of 1-Thio-D-glucose sodium salt[62778-20-5]GEO-02307
1,2-O-Cyclohexylidene-a-D-xylo-pentodialdo-1,4-furanose dimer[15356-27-1]GEO-00870
1,2-O-Isopropylidene-a-D-xylofuranoseStructure of 1,2-O-Isopropylidene-a-D-xylofuranose[20031-21-4]GEO-01624
1H-Pyrazole-3-carboxaldehydeStructure of 1H-Pyrazole-3-carboxaldehyde[3920-50-1]GEO-02174
2-((1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)methylene)malononitrileN/AGEO-03550
2-(1,3-Dioxolan-2-yl)-6-methylpyridine[92765-75-8]GEO-01127
2-(Dimethylamino)-6-fluoro-4-methoxybenzaldehydeN/AGEO-03498
2-(Trimethylsilyl)-1H-indole-7-carbaldehydeN/AGEO-03483
2-Bromo-3-pyridinecarboxaldehydeStructure of 2-Bromo-3-pyridinecarboxaldehyde[128071-75-0]GEO-00566
2-Chloro-3-methoxybenzaldehydeStructure of 2-Chloro-3-methoxybenzaldehyde[54881-49-1]GEO-02917
2-Chloro-4-iodopyridine-3-carboxaldehydeStructure of 2-Chloro-4-iodopyridine-3-carboxaldehyde[153034-90-3]GEO-02628
2-Chloro-4-methylbenzaldehydeStructure of 2-Chloro-4-methylbenzaldehyde[50817-80-6]GEO-00706
2-Chloro-5-formylbenzoic acidStructure of 2-Chloro-5-formylbenzoic acid[1206625-81-1]GEO-02576
2-Dimethylamino-6-fluoro-4-methoxybenzaldehydeN/AGEO-02914
2-Fluoro-5-formylbenzoic acid[550363-85-4]GEO-03744
2-Furaldehyde diethyl acetal[13529-27-6]GEO-01441
2-Hydroxy-5-nitrobenzaldehydeStructure of 2-Hydroxy-5-nitrobenzaldehyde[97-51-8]GEO-01539
2-Iodo-4,5-dimethylbenzaldehydeStructure of 2-Iodo-4,5-dimethylbenzaldehyde[1094026-85-3]GEO-02919
2-IodobenzaldehydeStructure of 2-Iodobenzaldehyde[26260-02-6]GEO-01591
2-ThiazolecarboxaldehydeStructure of 2-Thiazolecarboxaldehyde[10200-59-6]GEO-02295
2-ThiophenecarboxaldehydeStructure of 2-Thiophenecarboxaldehyde[98-03-3]GEO-02313
2,2-Dimethyl-4-pentenal[5497-67-6]GEO-01206
2,2′-Bithienyl-5-carboxaldehydeStructure of 2,2'-Bithienyl-5-carboxaldehyde[3779-27-9]GEO-00371
2,3-Dihydro-2-oxo-1H-benzimidazole-5-carboxaldehyde[106429-59-8]GEO-04057
2,4,5-Trimethylthiophene-3-carboxaldehydeStructure of 2,4,5-Trimethylthiophene-3-carboxaldehyde[63826-44-8]GEO-02427
2,5-DihydroxybenzaldehydeStructure of 2,5-Dihydroxybenzaldehyde[1194-98-5]GEO-01098
2,6-DimethoxybenzaldehydeStructure of 2,6-Dimethoxybenzaldehyde[3392-97-0]GEO-01129
2′-Hydroxy-3′-nitrobiphenyl-3-carboxylic acidStructure of 2'-Hydroxy-3'-nitrobiphenyl-3-carboxylic acid[376591-95-6]GEO-01542
3-Bromo-2-furaldehydeStructure of 3-Bromo-2-furaldehyde[14757-78-9]GEO-04281
3-Bromo-4-methylbenzaldehydeStructure of 3-Bromo-4-methylbenzaldehyde[36276-24-1]GEO-02926
3-Bromo-4-pyridinecarboxaldehydeStructure of 3-Bromo-4-pyridinecarboxaldehyde[70201-43-3]GEO-03429
3-Bromo-5-methylthiophene-2-carboxaldehydeStructure of 3-Bromo-5-methylthiophene-2-carboxaldehyde[36155-82-5]GEO-00514
3-Ethoxymethacrolein[42588-57-8]GEO-04327
3-Furaldehyde[498-60-2]GEO-01440
3-Methoxy-2-thiophenecarboxaldehydeStructure of 3-Methoxy-2-thiophenecarboxaldehyde[35134-07-7]GEO-01731
3-Methoxy-4-methylbenzaldehydeStructure of 3-Methoxy-4-methylbenzaldehyde[24973-22-6]GEO-01691
3-Methylthiophene-2-carboxaldehydeStructure of 3-Methylthiophene-2-carboxaldehyde[5834-16-2]GEO-01955
3-O-Methyl-a-D-glucopyranoseStructure of 3-O-Methyl-a-D-glucopyranose[13224-94-7]GEO-01844
3-ThiophenecarboxaldehydeStructure of 3-Thiophenecarboxaldehyde[498-62-4]GEO-02315
3,3′-Dimethyl-2,2′-bithiophenyl-5-carboxaldehyde[887407-04-7]GEO-01161
3,4-(Methylenedioxy)thiophenolStructure of 3,4-(Methylenedioxy)thiophenol[5274-08-8]GEO-03999
3,4-Dibromothiophene-2,5-dicarboxaldehyde[25373-20-0]GEO-00978
4-(1H-Imidazol-1-yl)benzaldehydeStructure of 4-(1H-Imidazol-1-yl)benzaldehyde[10040-98-9]GEO-01579
4-[(2-Cyanoethyl)methylamino]benzaldehyde[94-21-3]GEO-02609
4-[Bis-(4-bromophenyl)amino]benzaldehydeStructure of 4-[Bis-(4-bromophenyl)amino]benzaldehyde[25069-38-9]GEO-00333
4-Bromo-2-furaldehydeStructure of 4-Bromo-2-furaldehyde[21921-76-6]GEO-00457
4-Bromo-2-thiophenecarboxaldehydeStructure of 4-Bromo-2-thiophenecarboxaldehyde[18791-75-8]GEO-00583
4-Bromo-3-methylthiophene-2-carboxaldehydeStructure of 4-Bromo-3-methylthiophene-2-carboxaldehyde[30153-47-0]GEO-00515
4-Chloro-2-fluorobenzaldehydeStructure of 4-Chloro-2-fluorobenzaldehyde[61072-56-8]GEO-00680
4-Chloro-3-iodobenzaldehydeStructure of 4-Chloro-3-iodobenzaldehyde[276866-90-1]GEO-02514
4-Chloro-3-methylbenzaldehydeStructure of 4-Chloro-3-methylbenzaldehyde[101349-71-7]GEO-00707
4-Difluoromethoxy-3-hydroxybenzaldehyde[151103-08-1]GEO-02629
4-Diphenylaminobenzaldehyde[4181-05-9]GEO-01236
4-Formyl-3-hydroxybenzoic acid[619-12-5]GEO-01436
4-Iodo-2-methoxybenzaldehydeStructure of 4-Iodo-2-methoxybenzaldehyde[139102-37-7]GEO-03735
4-Methoxy-3-methylbenzaldehydeStructure of 4-Methoxy-3-methylbenzaldehyde[32723-67-4]GEO-01749
4-Methyl-3-nitrobenzaldehydeStructure of 4-Methyl-3-nitrobenzaldehyde[31680-07-6]GEO-01891
4-Methyl-5-thiazolecarboxaldehydeStructure of 4-Methyl-5-thiazolecarboxaldehyde[82294-70-0]GEO-01943
4,5-Dimethyl-2-furaldehyde[52480-43-0]GEO-01189
5-((5-Methyl-1,3,4-thiadiazol-2-yl)thio)furan-2-carbaldehydeN/AGEO-03520
5-(3-Chloro-4-methoxyphenyl)furfuralStructure of 5-(3-Chloro-4-methoxyphenyl)furfural[124014-00-2]GEO-02918
5-(4-Bromo-2-fluorophenyl)furan-2-carbaldehydeStructure of 5-(4-Bromo-2-fluorophenyl)furan-2-carbaldehyde[444284-83-7]GEO-03640
5-(4-Bromophenyl)-2-furancarboxaldehydeStructure of 5-(4-Bromophenyl)-2-furancarboxaldehyde[20005-42-9]GEO-00551
5-(4-Methoxyphenyl)thiophene-2-carbaldehyde[38401-67-1]GEO-03577
5-(4-Nitrophenyl)-2-furancarboxaldehydeStructure of 5-(4-Nitrophenyl)-2-furancarboxaldehyde[7147-77-5]GEO-02028
5-(5-Methylthiophen-2-yl)thiophene-2-carbaldehydeStructure of 5-(5-Methylthiophen-2-yl)thiophene-2-carbaldehyde[32358-94-4]GEO-01969
5-(Ethoxymethyl)-2-furaldehyde[1917-65-3]GEO-02730
5-(Methoxymethyl)furan-2-carboxaldehydeStructure of 5-(Methoxymethyl)furan-2-carboxaldehyde[1917-64-2]GEO-03173
5-(Pyridin-2-ylthio)furan-2-carbaldehyde[709635-68-7]GEO-03484
5-Acetoxymethyl-2-furaldehydeStructure of 5-Acetoxymethyl-2-furaldehyde[10551-58-3]GEO-00013
5-Bromo-2-chloropyridine-3-carbaldehydeStructure of 5-Bromo-2-chloropyridine-3-carbaldehyde[228251-24-9]GEO-02911
5-Bromo-2-furaldehydeStructure of 5-Bromo-2-furaldehyde[1899-24-7]GEO-00459
5-Bromo-2,2′-bithienyl-5-carboxaldehydeStructure of 5-Bromo-2,2'-bithienyl-5-carboxaldehyde[110046-60-1]GEO-00396
5-Bromopyridine-2-carboxaldehydeStructure of 5-Bromopyridine-2-carboxaldehyde[31181-90-5]GEO-02483
5-Chloro-2-furaldehydeStructure of 5-Chloro-2-furaldehyde[21508-19-0]GEO-00684
5-Chloro-2-thiophenecarboxaldehyde[7283-96-7]GEO-00804
5-Cyano-2-thiophenecarboxaldehyde[21512-16-3]GEO-00851
5-Ethyl-2-furaldehyde[23074-10-4]GEO-01349
5-Ethyl-2-thiophenecarboxaldehyde[36880-33-8]GEO-01381
5-Hydroxymethyl-2-furaldehydeStructure of 5-Hydroxymethyl-2-furaldehyde[67-47-0]GEO-01528
5-Iodo-2-furaldehydeStructure of 5-Iodo-2-furaldehyde[2689-65-8]GEO-01597
5-Methyl-1-(perfluorophenyl)-1H-pyrrole-2-carbaldehydeStructure of 5-Methyl-1-(perfluorophenyl)-1H-pyrrole-2-carbaldehyde[]GEO-02528
5-MethylfurfuralStructure of 5-Methylfurfural[620-02-0]GEO-01838
5-Nitro-2-furaldehydeStructure of 5-Nitro-2-furaldehyde[698-63-5]GEO-02008
5-Phenyl-2-furaldehydeStructure of 5-Phenyl-2-furaldehyde[13803-39-9]GEO-02118
5-tert-Butyl-2-hydroxybenzaldehydeStructure of 5-tert-Butyl-2-hydroxybenzaldehyde[2725-53-3]GEO-02512
5”-Bromo-2,2′-5′,2”-terthiophene-5-carboxaldehydeStructure of 5''-Bromo-2,2'-5',2''-terthiophene-5-carboxaldehyde[161726-69-8]GEO-00572
6-Bromo-2-pyridinecarboxaldehydeStructure of 6-Bromo-2-pyridinecarboxaldehyde[34160-40-2]GEO-00567
6-Bromoindole-3-carboxaldehydeStructure of 6-Bromoindole-3-carboxaldehyde[17826-04-9]GEO-00485
6-Chloro-5-hydroxypicolinaldehydeStructure of 6-Chloro-5-hydroxypicolinaldehyde[1211538-40-7]GEO-03656
6-Methyl-2-pyridinecarboxaldehydeStructure of 6-Methyl-2-pyridinecarboxaldehyde[1122-72-1]GEO-01923
Benzo[b]thiophene-2-carboxaldehydeStructure of Benzo[b]thiophene-2-carboxaldehyde[3541-37-5]GEO-00293
Bis(4-formylphenyl)phenylamineStructure of Bis(4-formylphenyl)phenylamine[53566-95-3]GEO-01071
Cyclopropanecarbaldehyde[1489-69-6]GEO-03694
Diethyl 2,6-dimethyl-4-(1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)-1,4-dihydropyridine-3,5-dicarboxylateN/AGEO-03542
Dimethyl 2,6-dimethyl-4-(1-(tetrahydro-2H-pyran-2-yl)-1H-pyrazol-5-yl)-1,4-dihydropyridine-3,5-dicarboxylateN/AGEO-03548
Methyl 2-Chloro-5-formylbenzoateStructure of Methyl 2-Chloro-5-formylbenzoate[199679-23-7]GEO-02577
Methyl 2,2-dimethyl-1,3-dioxolane-4-carboxylateStructure of Methyl 2,2-dimethyl-1,3-dioxolane-4-carboxylate[108865-84-5]GEO-03987
N-Methylpyrrole-2-carboxaldehydeStructure of N-Methylpyrrole-2-carboxaldehyde[1192-58-1]GEO-01931
PentamethylbenzaldehydeStructure of Pentamethylbenzaldehyde[17432-38-1]GEO-02086
Potassium (4S)-2,2-dimethyl-1,3-dioxolane-4-carboxylateStructure of Potassium (4S)-2,2-dimethyl-1,3-dioxolane-4-carboxylate[117205-81-9]GEO-04162
Pyrrole-2-carboxaldehydeStructure of Pyrrole-2-carboxaldehyde[1003-29-8]GEO-02200
Triacetyl-2-deoxyglucoseStructure of Triacetyl-2-deoxyglucose[69503-94-2]GEO-03964
Tris(4-formylphenyl)amineStructure of Tris(4-formylphenyl)amine[119001-43-3]GEO-02432