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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 (4,327)
Complex Aldehydes (4,284)
Dicarbonyl Compounds (582)
Alpha beta-unsaturated carbonyl compounds (547)
Acyloins (78)

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2,611 – 2,625 of 6,913 results
2,611

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))
2,612

Sigma Aldrich Dimethyl malonate

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 180°C to 181°C (lit.)
Percent Purity 98%
Linear Formula CH2(COOCH3)2
CAS 108-59-8
Molecular Weight (g/mol) 132.11
MDL Number MFCD00008460
Refractive Index n20/D 1.413 (literature)
RTECS Number OO0950000
Recommended Storage Room Temperature
Molecular Formula C5H8O4
EINECS Number 203-597-8
Density 1.156 g/mL (at 25°C (literature))
Melting Point -62°C (lit.)
2,613

Sigma Aldrich 6-Hydroxyflavanone

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
CAS 4250-77-5
2,614

Sigma Aldrich 3,5-Dimethoxybenzaldehyde

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 151°C (16 mmHg)
Percent Purity 98%
Linear Formula (CH3O)2C6H3CHO
CAS 7311-34-4
Molecular Weight (g/mol) 166.17
MDL Number MFCD00003366
Recommended Storage Room Temperature
Molecular Formula C9H10O3
EINECS Number 230-772-6
Melting Point 45°C to 48°C (lit.)
2,615

Sigma Aldrich Heptaldehyde

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
CAS 111-71-7
2,616

Sigma Aldrich alpha-Bromophenylacetic acid

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
CAS 4870-65-9
2,617

Sigma Aldrich 4'-Bromoacetophenone

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 255°C (lit.)
Percent Purity 98%
Linear Formula BrC6H4COCH3
CAS 99-90-1
Molecular Weight (g/mol) 199.04
MDL Number MFCD00000105
Synonym 1-Acetyl-4-bromobenzene
Recommended Storage Room Temperature
Molecular Formula C8H7BrO
EINECS Number 202-799-3
Melting Point 49°C to 51°C (lit.)
2,618

Sigma Aldrich Hexanal

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 130°C to 131°C (lit.)
Percent Purity 98%
Linear Formula CH3(CH2)4 CHO
CAS 66-25-1
Molecular Weight (g/mol) 100.16
MDL Number MFCD00007027
Refractive Index n20/D 1.4035 (literature)
Synonym Aldehyde C6; Caproaldehyde; Hexyl aldehyde
RTECS Number MN7175000
Recommended Storage 2°C to 8°C
Molecular Formula C6H12O
EINECS Number 200-624-5
Density 0.815 g/mL at 25°C (literature); 0.834 g/mL (at 25°C)
2,619

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 ENCOMPASS_PREFERRED
CAS 65564-05-8
2,620

Sigma Aldrich Methyl potassium malonate

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 ≥99.0% (NT)
Linear Formula CH3OCOCH2COOK
CAS 38330-80-2
Molecular Weight (g/mol) 156.18
MDL Number MFCD00014021
Synonym Monomethyl malonate potassium salt; Potassium monomethyl malonate
Recommended Storage Room Temperature
Molecular Formula C4H5KO4
EINECS Number 253-886-8
2,621

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 ENCOMPASS_PREFERRED
CAS 14901-07-6
2,622

Sigma Aldrich 4-Cyano-N-methylbenzamide

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
2,623

Sigma Aldrich 4'-Chloroacetophenone

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 232°C (lit.)
Percent Purity 97%
Linear Formula ClC6H4COCH3
CAS 99-91-2
Molecular Weight (g/mol) 154.59
MDL Number MFCD00000624
Refractive Index n20/D 1.554 (literature)
RTECS Number KM5600000
Recommended Storage Room Temperature
Molecular Formula C8H7ClO
EINECS Number 202-800-7
Density 1.192 g/mL (at 25°C (literature))
Melting Point 14°C to 18°C (lit.)
2,624

Sigma Aldrich 2,2,2-Trifluoroacetophenone

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 165°C to 166°C (lit.), 46°C to 48°C (14 mmHg)
Percent Purity 99%
Linear Formula CF3COC6H5
CAS 434-45-7
Biological Activity Respiratory System
Molecular Weight (g/mol) 174.12
MDL Number MFCD00000420
Refractive Index n20/D 1.458 (literature)
Synonym alpha,alpha,alpha-Trifluoroacetophenone; Phenyl trifluoromethyl ketone
Recommended Storage Room Temperature
Molecular Formula C8H5F3O
EINECS Number 207-103-1
Density 1.24 g/mL (at 25°C (literature))
2,625

Sigma Aldrich 2,6-Diacetylpyridine

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 99%
Linear Formula C9H9NO2
CAS 1129-30-2
Molecular Weight (g/mol) 163.17
MDL Number MFCD00006304
Synonym 1,1 -(2,6-Pyridinediyl)diethanone; 1-(6-Acetylpyridin-2-yl)ethanone
Recommended Storage Room Temperature
Molecular Formula C9H9NO2
EINECS Number 214-442-9
Melting Point 79°C to 82°C (lit.)