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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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2,746 – 2,760 of 6,913 results
2,746

Sigma Aldrich 2'-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 227°C to 230°C
Percent Purity 97%
Linear Formula ClC6H4COCH3
CAS 2142-68-9
Biological Activity Respiratory System
Molecular Weight (g/mol) 154.59
MDL Number MFCD00000560
RTECS Number AM6310000
Recommended Storage Room Temperature
Molecular Formula C8H7ClO
EINECS Number 218-397-6
Density 1.190 g/mL (at 20°C)
2,747

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 ENCOMPASS_PREFERRED
CAS 141-79-7
2,748

Sigma Aldrich 3-tert-Butyl-2-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 ENCOMPASS_PREFERRED
Boiling Point 78°C to 79°C (1 mmHg)
Percent Purity 96%
Linear Formula (CH3)3 CC6H3(OH)CHO
CAS 24623-65-2
Biological Activity Respiratory System
Molecular Weight (g/mol) 178.23
MDL Number MFCD00778877
Refractive Index n20/D 1.544 (literature)
Synonym 3-tert-Butylsalicylaldehyde
Recommended Storage Room Temperature
Molecular Formula C11H14O2
Density 1.041 g/mL (at 25°C (literature))
2,749

Sigma Aldrich (4-(2-Nitro-4-(trifluoromethyl)phenyl)piperazin-1-yl)(phenyl)methanone

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
2,750

Sigma Aldrich 4,6-Dichloro-5-(4-methoxyphenyl)-2-methylthieno[2,3-d]pyrimidine

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
2,751

Sigma Aldrich 2-(2-(4-Ethylphenylamino)thiazol-4-yl)acetic 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
2,752

Sigma Aldrich Furfural

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 162°C
Linear Formula C5H4O2
CAS 98-01-1
Molecular Weight (g/mol) 96.08 g/mol
MDL Number MFCD00003229
Refractive Index n20/D 1.525
Synonym 2-Furaldehyde; Furan-2-carboxaldehyde
RTECS Number LT7000000
Recommended Storage Room Temperature
Molecular Formula C5H4O2
EINECS Number 202-627-7
Density 1.16 g/mL at 25°C
Melting Point -36°C
2,753

Sigma Aldrich 3-Chloropropiophenone

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 113°C to 115°C (4 mmHg)
Percent Purity 98%
Linear Formula ClCH2CH2COC6H5
CAS 936-59-4
Molecular Weight (g/mol) 168.62
MDL Number MFCD00000990
Synonym beta-Chloropropiophenone; 3-Chloro-1-phenyl-1-propanone
Recommended Storage Room Temperature
Molecular Formula C9H9ClO
EINECS Number 213-317-6
Melting Point 48°C to 50°C (lit.)
2,754

Sigma Aldrich Methacrolein

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 68°C to 70°C (lit.)
Linear Formula H2C=C(CH3)CHO
Molecular Weight (g/mol) 70.09
Density 0.85 g/mL (at 25°C (literature))
Percent Purity 95%
CAS 78-85-3
MDL Number MFCD00006974
Refractive Index n20/D 1.416 (literature)
Synonym Methacrylaldehyde
RTECS Number OZ2625000
Recommended Storage 2°C to 8°C
Molecular Formula C4H6O
EINECS Number 201-150-1
Melting Point -81°C (lit.)
2,755

Sigma Aldrich 4'-(Trifluoromethyl)acetophenone

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 79°C to 80°C (8 mmHg)
Percent Purity 98%
Linear Formula CF3C6H4COCH3
CAS 709-63-7
Molecular Weight (g/mol) 188.15
MDL Number MFCD00000401
Synonym 4-Acetylbenzotrifluoride
Recommended Storage Room Temperature
Molecular Formula C9H7F3O
EINECS Number 211-913-0
Melting Point 30°C to 33°C (lit.)
2,756

Sigma Aldrich 3,4-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 281°C (lit.)
Percent Purity 99%
Linear Formula (CH3O)2C6H3CHO
CAS 120-14-9
Molecular Weight (g/mol) 166.17
MDL Number MFCD00003363
Synonym Methylvanillin; NSC 24521; NSC 8500; Vanillin methyl ether; Veratraldehyde
RTECS Number YX5088000
Recommended Storage Room Temperature
Molecular Formula C9H10O3
EINECS Number 204-373-2
Melting Point 40°C to 43°C (lit.)
2,757

Sigma Aldrich 2'-Hydroxy-5'-nitroacetophenone

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 97%
Linear Formula O2NC6H3(OH)COCH3
CAS 1450-76-6
Molecular Weight (g/mol) 181.15
MDL Number MFCD00463816
Recommended Storage Room Temperature
Molecular Formula C8H7NO4
Melting Point 100°C to 104°C (lit.)
2,758

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.)
2,759

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
2,760

Sigma Aldrich 4-Acetylpyridine

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 212°C (lit.)
Linear Formula C7H7NO
Molecular Weight (g/mol) 121.14
Density 1.095 g/mL (at 25°C (literature))
Percent Purity 97%
CAS 1122-54-9
MDL Number MFCD00006433
Refractive Index n20/D 1.529 (literature)
Synonym Methyl 4-pyridyl ketone
RTECS Number OB5426000
Recommended Storage Room Temperature
Molecular Formula C7H7NO
EINECS Number 214-350-9
Melting Point 13°C to 16°C (lit.)