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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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2,566 – 2,580 of 6,913 results
2,566

Sigma Aldrich Ethyl bromopyruvate

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 98°C to 100°C (10 mmHg)
Percent Purity 90%
Linear Formula BrCH2COCOOC2H5
CAS 70-23-5
Biological Activity Respiratory System
Molecular Weight (g/mol) 195.01
MDL Number MFCD00000204
Refractive Index n20/D 1.469 (literature)
Recommended Storage 2°C to 8°C
Molecular Formula C5H7BrO3
EINECS Number 200-729-6
Density 1.554 g/mL (at 25°C (literature))
2,567

Sigma Aldrich Chloroacetone

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 120°C (lit.)
Linear Formula ClCH2COCH3
Molecular Weight (g/mol) 92.52
Density 1.162 g/mL (at 25°C (literature))
Percent Purity 95%
CAS 78-95-5
MDL Number MFCD00000936
Refractive Index n20/D 1.432 (literature)
Synonym 1-Chloropropan-2-one; Chloro-2-propanone
RTECS Number UC0700000
Recommended Storage 2°C to 8°C
Molecular Formula C3H5ClO
EINECS Number 201-161-1
Melting Point -44.5°C
2,568

Sigma Aldrich 3-(Chloromethyl)-4-methoxybenzaldehyde

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 52577-09-0
2,569

Sigma Aldrich 6-Chloro-1-methyl-1H-indole-2-carboxylic 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 680569-83-9
2,570

Sigma Aldrich 4-Formylbenzoic 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
Percent Purity 97%
Linear Formula HO2CC6H4CHO
CAS 619-66-9
Molecular Weight (g/mol) 150.13
MDL Number MFCD00006951
Synonym 4-Carboxybenzaldehyde; Benzaldehyde-4-carboxylic acid; Terephthalaldehydic acid
RTECS Number WZ0440000
Recommended Storage Room Temperature
Molecular Formula C8H6O3
EINECS Number 210-607-4
Melting Point 247°C (lit.)
2,571

Sigma Aldrich (1,5-Diphenyl-1H-1,2,3-triazol-4-yl)methanol

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
2,572

Sigma Aldrich Anthraquinone

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 379°C to 381°C (lit.)
Percent Purity 97%
Linear Formula C14H8O2
CAS 84-65-1
Molecular Weight (g/mol) 208.21
MDL Number MFCD00001188
RTECS Number CB4725000
Recommended Storage Room Temperature
Molecular Formula C14H8O2
EINECS Number 201-549-0
Melting Point 284°C to 286°C (lit.)
2,573

Sigma Aldrich 3,4-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 ≥97.0% (HPLC)
Linear Formula (HO)2C6H3CHO
CAS 139-85-5
Molecular Weight (g/mol) 138.12
MDL Number MFCD00003370
Synonym Protocatechualdehyde
RTECS Number UL0380000
Recommended Storage Room Temperature
Molecular Formula C7H6O3
EINECS Number 205-377-7
Melting Point 150°C to 155°C, 150°C to 157°C (lit.)
2,574

Sigma Aldrich 3,5-Dichlorosalicylaldehyde

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 Cl2C6H2(OH)CHO
CAS 90-60-8
Molecular Weight (g/mol) 191.01
MDL Number MFCD00003320
Recommended Storage Room Temperature
Molecular Formula C7H4Cl2O2
EINECS Number 202-005-5
Melting Point 95°C to 97°C (lit.)
2,575

Sigma Aldrich 2,3,4-Trihydroxybenzaldehyde

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
2,576

Sigma Aldrich 5-Methylfurfural

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 187°C (lit.)
Percent Purity 99%
Linear Formula C6H6O2
CAS 620-02-0
Molecular Weight (g/mol) 110.11
MDL Number MFCD00003232
Refractive Index n20/D 1.531 (literature)
Synonym 5-Methyl-2-furaldehyde
RTECS Number LT7032500
Recommended Storage Room Temperature
Molecular Formula C6H6O2
EINECS Number 210-622-6
Density 1.107 g/mL (at 25°C (literature))
2,577

Sigma Aldrich 3-Penten-2-one

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 625-33-2
2,578

Sigma Aldrich 3,5-Di-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
Percent Purity 99%
Linear Formula HOC6H2[C(CH3)3]2 CHO
CAS 37942-07-7
Molecular Weight (g/mol) 234.33
MDL Number MFCD00191998
Synonym 3,5-Di-tert-butylsalicylaldehyde
Recommended Storage Room Temperature
Molecular Formula C15H22O2
Melting Point 59°C to 61°C (lit.)
2,579

Sigma Aldrich Methyl 3-chloro-3-oxopropionate

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 57°C to 59°C (12 mmHg)
Percent Purity 97%
Linear Formula CH3OCOCH2COCl
CAS 37517-81-0
Biological Activity Respiratory System
Molecular Weight (g/mol) 136.53
MDL Number MFCD00013657
Refractive Index n20/D 1.432 (literature)
Synonym Methyl malonyl chloride; Methyl chloroformylacetate
Recommended Storage 2°C to 8°C
Molecular Formula C4H5ClO3
EINECS Number 253-540-6
Density 1.273 g/mL (at 25°C (literature))
2,580

Sigma Aldrich ™-1-[(Sp)-2-(Di-Tert-Butylphosphino)Ferrocenyl]Ethylbis(2-Methylphenyl)Phosphine

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
Recommended Storage Room Temperature