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Carbonyl compounds

Organic compounds that contain one or more carbonyl (a carbon atom with a double bond to an oxygen atom) functional groups. Includes compounds with functional groups that contain a carbonyl in their structure such as ketones, aldehydes, and others.
Complex Ketones (4,313)
Complex Aldehydes (4,078)
Dicarbonyl Compounds (575)
Alpha beta-unsaturated carbonyl compounds (547)
Acyloins (70)

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2,776 – 2,790 of 6,672 results
2,776

Sigma Aldrich 4-Pyridinecarboxaldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Boiling Point 71°C to 73°C (10 mmHg)
Percent Purity 97%
Linear Formula C6H5NO
CAS 872-85-5
Molecular Weight (g/mol) 107.11
MDL Number MFCD00006425
Refractive Index n20/D 1.544 (literature)
Synonym Isonicotinaldehyde
RTECS Number NR9400000
Recommended Storage 2°C to 8°C
Molecular Formula C6H5NO
EINECS Number 212-832-3
Density 1.137 g/mL (at 20°C (literature))
2,777

Sigma Aldrich N-Phenylmorpholine-4-carbothioamide

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
2,778

Sigma Aldrich {2-[(4-Methyl-1,2,5-oxadiazol-3-yl)oxy]ethyl}amine hydrochloride hydrate

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
2,779

Sigma Aldrich 2-Pyridinecarboxaldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Boiling Point 181°C (lit.)
Percent Purity 99%
Linear Formula C6H5NO
CAS 1121-60-4
Biological Activity Respiratory System
Molecular Weight (g/mol) 107.11
MDL Number MFCD00006290
Refractive Index n20/D 1.536 (literature)
Synonym Picolinaldehyde; Pyridine-2-aldehyde
Recommended Storage 2°C to 8°C
Molecular Formula C6H5NO
EINECS Number 214-333-6
Density 1.126 g/mL (at 25°C (literature))
2,780

Sigma Aldrich Crotonaldehyde, mixture of cis and trans

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Boiling Point 101°C to 102°C (lit.)
Percent Purity ≥99.5% (GC)
Linear Formula CH3CH=CHCHO
CAS 4170-30-3
Biological Activity Respiratory System
Molecular Weight (g/mol) 70.09
MDL Number MFCD00007003
Refractive Index n20/D 1.437
Synonym 2-Butenal, mixture of cis and trans
RTECS Number GP9499000
Recommended Storage 2°C to 8°C
Molecular Formula C4H6O
Density 0.853 g/mL (at 20°C (literature))
2,781

Sigma Aldrich 3-[(Benzyloxycarbonyl)amino]propionaldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
CAS 65564-05-8
2,782

Sigma Aldrich alpha-Ionone

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
CAS 127-41-3
2,783

Sigma Aldrich [(5-Chloro-1H-benzimidazol-2-yl)methyl]methylamine dihydrochloride

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
2,784

Sigma Aldrich beta-Ionone

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
CAS 14901-07-6
2,785

Sigma Aldrich 4-Hydroxybenzaldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity 98%
Linear Formula HOC6H4CHO
CAS 123-08-0
Molecular Weight (g/mol) 122.12
MDL Number MFCD00006939
RTECS Number CU6475000
Recommended Storage Room Temperature
Molecular Formula C7H6O2
EINECS Number 204-599-1
Melting Point 112°C to 116°C (lit.)
2,786

Sigma Aldrich 2-Imidazolecarboxaldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Percent Purity 97%
Linear Formula C4H4N2O
CAS 10111-08-7
Molecular Weight (g/mol) 96.09
MDL Number MFCD00003544
Recommended Storage Room Temperature
Molecular Formula C4H4N2O
Melting Point 209°C (lit.)
2,787

Sigma Aldrich N-Isopropyl-2-propen-1-amine hydrobromide

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
2,788

Sigma Aldrich 2,5-Dihydroxybenzaldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98%
Linear Formula (HO)2C6H3CHO
CAS 1194-98-5
Molecular Weight (g/mol) 138.12
MDL Number MFCD00003333
Synonym Gentisaldehyde
Recommended Storage Room Temperature
Molecular Formula C7H6O3
EINECS Number 214-789-6
Melting Point 97°C to 99°C (lit.)
2,789

Sigma Aldrich 4-Imidazolecarboxaldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS ENCOMPASS_PREFERRED
Percent Purity 98%
Linear Formula C4H4N2O
CAS 3034-50-2
Molecular Weight (g/mol) 96.09
MDL Number MFCD00173726
Synonym 5-Imidazolecarboxaldehyde
Recommended Storage Room Temperature
Molecular Formula C4H4N2O
EINECS Number 221-227-3
Melting Point 174°C to 177°C (lit.)
2,790

Sigma Aldrich Isovaleraldehyde

MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.

ENCOMPASS
Boiling Point 90°C (lit.)
Linear Formula (CH3)2 CHCH2CHO
Molecular Weight (g/mol) 86.13
Density 0.803 g/mL (at 25°C (literature))
Percent Purity 97%
CAS 590-86-3
Biological Activity Respiratory System
MDL Number MFCD00007014
Refractive Index n20/D 1.388 (literature)
Synonym 3-Methylbutanal; 3-Methylbutyraldehyde; NSC 404119
RTECS Number ES3450000
Recommended Storage 2°C to 8°C
Molecular Formula C5H10O
EINECS Number 209-691-5