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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 (4,077)
Dicarbonyl Compounds (575)
Alpha beta-unsaturated carbonyl compounds (547)
Acyloins (70)

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2,806 – 2,820 of 6,672 results
2,806

Sigma Aldrich 1,4-Pentadiene

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 591-93-5
2,807

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))
2,808

Sigma Aldrich 2,4,6-Trichloropyrimidine

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 3764-01-0
2,809

Sigma Aldrich 2-n-Propyl-1-heptanoic 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 31080-39-4
2,810

Sigma Aldrich 3-Nitrobenzonitrile

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.

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CAS 619-24-9
2,811

Sigma Aldrich Thiobenzoic 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
CAS 98-91-9
2,812

Sigma Aldrich o-Vanillin

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 265°C to 266°C (lit.)
Percent Purity 99%
Linear Formula CH3OC6H3-2-(OH)CHO
CAS 148-53-8
Molecular Weight (g/mol) 152.15
MDL Number MFCD00003322
Synonym 2-Hydroxy-3-methoxybenzaldehyde; 2-Hydroxy-m-anisaldehyde; 3-Methoxysalicylaldehyde
RTECS Number CU6530000
Recommended Storage Room Temperature
Molecular Formula C8H8O3
EINECS Number 205-715-3
Melting Point 40°C to 42°C (lit.)
2,813

Sigma Aldrich Pyruvic 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
Boiling Point 165°C (lit.)
Percent Purity 98%
Linear Formula CH3COCOOH
CAS 127-17-3
Molecular Weight (g/mol) 88.06
MDL Number MFCD00002585
Refractive Index n20/D 1.428 (literature)
Synonym alpha-Ketopropionic acid; 2-Oxopropionic acid
Recommended Storage 2°C to 8°C
Molecular Formula C3H4O3
EINECS Number 204-824-3
Density 1.267 g/mL (at 25°C (literature))
Melting Point 11°C to 12°C (lit.)
2,814

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))
2,815

Sigma Aldrich 4-Cyanophenyl Sulfofluoridate

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.

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2,816

Sigma Aldrich 3'-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
Percent Purity 99%
Linear Formula BrC6H4COCH3
CAS 2142-63-4
Molecular Weight (g/mol) 199.04
MDL Number MFCD00000083
Refractive Index n20/D 1.576 (literature)
Synonym 1-Acetyl-3-bromobenzene
Recommended Storage Room Temperature
Molecular Formula C8H7BrO
EINECS Number 218-396-0
Density 1.505 g/mL (at 25°C (literature))
Melting Point 8°C to 11°C (lit.)
2,817

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
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.)
2,818

Sigma Aldrich Ethyl 4-chloroacetoacetate

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 115°C (14 mmHg)
Percent Purity 95%
Linear Formula ClCH2COCH2CO2C2H5
CAS 638-07-3
Molecular Weight (g/mol) 164.59
MDL Number MFCD00000939
Refractive Index n20/D 1.452 (literature)
Recommended Storage Room Temperature
Molecular Formula C6H9ClO3
EINECS Number 211-317-0
Density 1.218 g/mL (at 25°C (literature))
2,819

Sigma Aldrich Mesityl oxide

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 141-79-7
2,820

Sigma Aldrich Biphenyl-4-carboxaldehyde

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 184°C (11 mmHg)
Percent Purity 99%
Linear Formula C6H5C6H4CHO
CAS 3218-36-8
Molecular Weight (g/mol) 182.22
MDL Number MFCD00006947
Synonym 4-Phenylbenzaldehyde
RTECS Number DV1767000
Recommended Storage Room Temperature
Molecular Formula C13H10O
EINECS Number 221-742-3
Melting Point 57°C to 59°C (lit.)