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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 Aldehydes (5,967)
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Alpha beta-unsaturated carbonyl compounds (544)
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Keyword Search:
3,736 – 3,750 of 8,657 results
3,736

Medchemexpress LLC 3-[2-(2-methoxyethoxy)ethoxy]propanal | 356066-46-1 | MFCD26910955 | 99.8% | 176.21 g/mol | C8H16O4 | 25MG
SDP

m-PEG3-aldehyde is a methoxy-terminated PEG3 linker (3-[2-(2-methoxyethoxy)ethoxy]propanal) bearing a terminal aldehyde group. It is used as a short, flexible spacer in PROTAC and bioconjugation chemistry, providing an aldehyde handle for selective coupling reactions and straightforward incorporation into synthetic workflows.

  • Short, flexible PEG spacer for linker design.
  • Aldehyde functional group for reductive amination, oxime, or hydrazone formation.
  • High purity suitable for research-grade synthesis.
  • Liquid form, colorless to light yellow, easy to aliquot and handle.
  • Recommended storage at -20 °C under inert atmosphere to preserve stability.

ENCOMPASS_PREFERRED
3,737

eMolecules​ 54953-78-5 | 4-Azidobutan-1-ol | Synthonix - Stock | MFCD09753670 | 115.136 | C4H9N3O | 95.000 | OCCCCN=[N+]=[N-] | 5g | 525906283

4-Azidobutan-1-ol | Synthonix - Stock | 54953-78-5 | MFCD09753670 | 115.136 | C4H9N3O | 95.000 | OCCCCN=[N+]=[N-] | 5g | 525906283

ENCOMPASS_PREFERRED
3,738

eMolecules​ 860763-86-6 | 3-Azido-N-phenylpropanamide | Synthonix | MFCD14652615 | 190.206 | C9H10N4O | 97.000 | [N-]=[N+]=NCCC(=O)Nc1ccccc1 | 1g | 532151423

3-Azido-N-phenylpropanamide | Synthonix | 860763-86-6 | MFCD14652615 | 190.206 | C9H10N4O | 97.000 | [N-]=[N+]=NCCC(=O)Nc1ccccc1 | 1g | 532151423

ENCOMPASS_PREFERRED
3,739

eMolecules​ Synthonix - Stock (Azidomethyl)cyclobutane 1g 525906555 A5998 1430727-36-8 MFCD21240363 111.148 C5H9N3

Synthonix - Stock (Azidomethyl)cyclobutane 1g 525906555 A5998 1430727-36-8 MFCD21240363 111.148 C5H9N3

ENCOMPASS_PREFERRED
3,740

eMolecules​ 192586-55-3 | (4-Azidobutoxy)(1,1-dimethylethyl)dimethylsilane | Synthonix - Stock229.399 | C10H23N3OSi | 97.000 | CC(C)(C)[Si](C)(C)OCCCCN=[N+]=[N-] | 1g | 525907043

(4-Azidobutoxy)(1,1-dimethylethyl)dimethylsilane | Synthonix - Stock | 192586-55-3229.399 | C10H23N3OSi | 97.000 | CC(C)(C)[Si](C)(C)OCCCCN=[N+]=[N-] | 1g | 525907043

ENCOMPASS_PREFERRED
3,741

eMolecules​ 1355510-12-1 | 1-((4-Azidobutoxy)methyl)-4-methoxybenzene | Synthonix - Stock | MFCD26792595 | 235.287 | C12H17N3O2 | 97.000 | COc1ccc(COCCCCN=[N+]=[N-])cc1 | 5g | 525906290

1-((4-Azidobutoxy)methyl)-4-methoxybenzene | Synthonix - Stock | 1355510-12-1 | MFCD26792595 | 235.287 | C12H17N3O2 | 97.000 | COc1ccc(COCCCCN=[N+]=[N-])cc1 | 5g | 525906290

ENCOMPASS_PREFERRED
3,742

eMolecules​ 1334207-87-2 | [(6-Azidohexyl)oxy](tert-butyl)dimethylsilane | Synthonix - Stock257.453 | C12H27N3OSi | 95.000 | CC(C)(C)[Si](C)(C)OCCCCCCN=[N+]=[N-] | 250mg | 525907055

[(6-Azidohexyl)oxy](tert-butyl)dimethylsilane | Synthonix - Stock | 1334207-87-2257.453 | C12H27N3OSi | 95.000 | CC(C)(C)[Si](C)(C)OCCCCCCN=[N+]=[N-] | 250mg | 525907055

ENCOMPASS_PREFERRED
3,743

eMolecules​ 180695-80-1 | tert-Butyl 4-azidopiperidine-1-carboxylate | Synthonix | MFCD16040162 | 226.280 | C10H18N4O2 | 97.000 | CC(C)(C)OC(=O)N1CCC(CC1)N=[N+]=[N-] | 500mg | 717428602

tert-Butyl 4-azidopiperidine-1-carboxylate | Synthonix | 180695-80-1 | MFCD16040162 | 226.280 | C10H18N4O2 | 97.000 | CC(C)(C)OC(=O)N1CCC(CC1)N=[N+]=[N-] | 500mg | 717428602

ENCOMPASS_PREFERRED
3,744

Medchemexpress LLC DIMETHYL MALONATE S 100 mg
SDP

DIMETHYL MALONATE S 100MG

ENCOMPASS_PREFERRED
3,745

eMolecules​ 141-82-2 | Malonic acid anhydrous | Chem-Impex104.061 | C3H4O4 | 99.000 | OC(=O)CC(O)=O | 250g | 112444172

Malonic acid anhydrous | Chem-Impex | 141-82-2104.061 | C3H4O4 | 99.000 | OC(=O)CC(O)=O | 250g | 112444172

ENCOMPASS_PREFERRED
3,746

eMolecules​ 32864-38-3 | tert-Butyl ethyl malonate | Combi-Blocks | MFCD00009193 | 188.223 | C9H16O4 | 98.000 | CCOC(=O)CC(=O)OC(C)(C)C | 5g | 205397033

tert-Butyl ethyl malonate | Combi-Blocks | 32864-38-3 | MFCD00009193 | 188.223 | C9H16O4 | 98.000 | CCOC(=O)CC(=O)OC(C)(C)C | 5g | 205397033

ENCOMPASS_PREFERRED
3,747

eMolecules​ 16695-14-0 | Propanedioic acid 1-methyl ester | AA Blocks LLC | MFCD00667796 | 118.088 | C4H6O4 | 0.000 | COC(=O)CC(O)=O | 5g | 414464040

Propanedioic acid 1-methyl ester | AA Blocks LLC | 16695-14-0 | MFCD00667796 | 118.088 | C4H6O4 | 0.000 | COC(=O)CC(O)=O | 5g | 414464040

ENCOMPASS_PREFERRED
3,748

eMolecules​ 16695-14-0 | Propanedioic acid 1-methyl ester | AA Blocks LLC | MFCD00667796 | 118.088 | C4H6O4 | 0.000 | COC(=O)CC(O)=O | 25g | 433192241

Propanedioic acid 1-methyl ester | AA Blocks LLC | 16695-14-0 | MFCD00667796 | 118.088 | C4H6O4 | 0.000 | COC(=O)CC(O)=O | 25g | 433192241

ENCOMPASS_PREFERRED
3,749

Sigma Aldrich Fine Chemicals Biosciences Bromomalonaldehyde 97% | 2065-75-0 | MFCD00459999 | 5G

Bromomalonaldehyde 97% | Purity: 97% | Mol Wt: 150.96 | 2065-75-0 | MFCD00459999 | 5G

ENCOMPASS
3,750

eMolecules​ 1117-19-7 | Dipropyl malonate | Ambeed | MFCD00059406 | 188.223 | C9H16O4 | 98.000 | CCCOC(=O)CC(=O)OCCC | 1g | 600842832

Dipropyl malonate | Ambeed | 1117-19-7 | MFCD00059406 | 188.223 | C9H16O4 | 98.000 | CCCOC(=O)CC(=O)OCCC | 1g | 600842832

ENCOMPASS_PREFERRED