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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 (4,342)
Complex Aldehydes (4,290)
Dicarbonyl Compounds (584)
Alpha beta-unsaturated carbonyl compounds (548)
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3,286 – 3,300 of 6,938 results
3,286

Indofine Chemical 2',4'-Dimethoxyace, 98%, 25 Gm
SDP

2',4'-DIMETHOXYACETOPHENONE 25 GM, Acetopheone, Resacetophenone dimethylether, MW: 180.2, 0.98, 829-20-9, MFCD00008727

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3,287

Sigma Aldrich Fine Chemicals Biosciences Aloe-emodin >=95% (HPLC) | 481-72-1 | MFCD00017373 | 25MG

Aloe-emodin >=95% (HPLC) | Purity: >=95% (HPLC) | Mol Wt: 270.24 | 481-72-1 | MFCD00017373 | 25MG

ENCOMPASS
3,288

AURUM PHARMATECH INC ETHANONE, 1-(4-BROMO-2-PYRID1G

Ethanone, 1-(4-bromo-2-pyridinyl)-2,2,2-trifluoro-, 886364-53-0, MFCD07375067

ENCOMPASS
3,289

eMolecules​ 1816-92-8 | Methyl 2-azidoacetate | Synthonix - Stock | MFCD01311034 | 115.092 | C3H5N3O2 | 98.000 | COC(=O)CN=[N+]=[N-] | 50g | 525920978

Methyl 2-azidoacetate | Synthonix - Stock | 1816-92-8 | MFCD01311034 | 115.092 | C3H5N3O2 | 98.000 | COC(=O)CN=[N+]=[N-] | 50g | 525920978

ENCOMPASS_PREFERRED
3,290

eMolecules​ 89108-50-9 | 1-(1-Azidoethenyl)-4-bromobenzene | Synthonix - Stock | MFCD30742631 | 224.061 | C8H6BrN3 | 95.000 | Brc1ccc(cc1)C(=C)N=[N+]=[N-] | 250mg | 525907077

1-(1-Azidoethenyl)-4-bromobenzene | Synthonix - Stock | 89108-50-9 | MFCD30742631 | 224.061 | C8H6BrN3 | 95.000 | Brc1ccc(cc1)C(=C)N=[N+]=[N-] | 250mg | 525907077

ENCOMPASS_PREFERRED
3,291

eMolecules​ 79583-98-5 | 5-Azidopentanoic acid | Synthonix - Stock | MFCD11850108 | 143.146 | C5H9N3O2 | 95.000 | OC(=O)CCCCN=[N+]=[N-] | 5g | 525905546

5-Azidopentanoic acid | Synthonix - Stock | 79583-98-5 | MFCD11850108 | 143.146 | C5H9N3O2 | 95.000 | OC(=O)CCCCN=[N+]=[N-] | 5g | 525905546

ENCOMPASS_PREFERRED
3,292

eMolecules​ 2698-69-3 | Ambeed | 4-Formyl-2-methoxy-3-nitrophenyl acetate | 100mg | 650569036 | A252715 | MFCD00086004 | 239.183 | C10H9NO6

ChemScene | 6-Bromobenzo[d]isoxazol-3(2H)-one | 100mg | 536799553 | CS-0085269 | 65685-51-0 | MFCD09842495 | 214.018 | C7H4BrNO2

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3,293

eMolecules​ 70978-37-9 | 1-(Azidomethyl)-4-methoxybenzene | Synthonix - Stock | MFCD11637170 | 163.180 | C8H9N3O | 97.000 | COc1ccc(CN=[N+]=[N-])cc1 | 5g | 525907135

1-(Azidomethyl)-4-methoxybenzene | Synthonix - Stock | 70978-37-9 | MFCD11637170 | 163.180 | C8H9N3O | 97.000 | COc1ccc(CN=[N+]=[N-])cc1 | 5g | 525907135

ENCOMPASS_PREFERRED
3,294

eMolecules​ 850080-13-6 | (2,5-Dioxopyrrolidin-1-yl) 11-azidoundecanoate | Synthonix - Stock | MFCD29041759 | 324.381 | C15H24N4O4 | 97.000 | [N-]=[N+]=NCCCCCCCCCCC(=O)ON1C(=O)CCC1=O | 250mg | 525916026

(2,5-Dioxopyrrolidin-1-yl) 11-azidoundecanoate | Synthonix - Stock | 850080-13-6 | MFCD29041759 | 324.381 | C15H24N4O4 | 97.000 | [N-]=[N+]=NCCCCCCCCCCC(=O)ON1C(=O)CCC1=O | 250mg | 525916026

ENCOMPASS_PREFERRED
3,295

eMolecules​ 860763-86-6 | 3-Azido-N-phenylpropanamide | Synthonix | MFCD14652615 | 190.206 | C9H10N4O | 97.000 | [N-]=[N+]=NCCC(=O)Nc1ccccc1 | 5g | 583170346

3-Azido-N-phenylpropanamide | Synthonix | 860763-86-6 | MFCD14652615 | 190.206 | C9H10N4O | 97.000 | [N-]=[N+]=NCCC(=O)Nc1ccccc1 | 5g | 583170346

ENCOMPASS_PREFERRED
3,296

eMolecules​ 3296-06-8 | 1-Azido-3-chlorobenzene | Synthonix | MFCD00211420 | 153.570 | C6H4ClN3 | 97.000 | Clc1cccc(c1)N=[N+]=[N-] | 5g | 672554337

1-Azido-3-chlorobenzene | Synthonix | 3296-06-8 | MFCD00211420 | 153.570 | C6H4ClN3 | 97.000 | Clc1cccc(c1)N=[N+]=[N-] | 5g | 672554337

ENCOMPASS_PREFERRED
3,297

Medchemexpress LLC Biotin-PEG3-aldehyde | 889443-90-7 | 95.0% | 550.67 g/mol | C26H38N4O7S | 5 MG
SDP

Biotin-PEG3-aldehyde is a cleavable three-unit polyethylene glycol (PEG) linker bearing a biotin tag and an aldehyde functional group, intended for bioconjugation workflows such as antibody-drug conjugate (ADC) synthesis. The material is supplied as a solid with listed purity of 95% and a molecular weight of 550.67 g/mol.

  • Cleavable three-unit PEG spacer for flexible linker design.
  • Biotin tag enables affinity capture and detection.
  • Aldehyde functional group for hydrazone or oxime conjugation chemistries.
  • Available in small milligram quantities for research-scale synthesis.
  • Stable as powder at -20°C; limited stability in solvent (see SDS).
  • High purity suitable for conjugation and analytical workflows.

ENCOMPASS_PREFERRED
3,298

eMolecules​ 159979-96-1 | 1-(Azidomethyl)-4-fluorobenzene | Synthonix - Stock | MFCD11637153 | 151.144 | C7H6FN3 | 97.000 | Fc1ccc(CN=[N+]=[N-])cc1 | 250mg | 525907147

1-(Azidomethyl)-4-fluorobenzene | Synthonix - Stock | 159979-96-1 | MFCD11637153 | 151.144 | C7H6FN3 | 97.000 | Fc1ccc(CN=[N+]=[N-])cc1 | 250mg | 525907147

ENCOMPASS_PREFERRED
3,299

eMolecules​ 1639963-43-1 | tert-butyl (2-Azidoethyl)((tributylstannyl)methyl)carbamate | Synthonix - Stock | MFCD31536789 | 489.292 | C20H42N4O2Sn | 95.000 | CCCC[Sn](CCCC)(CCCC)CN(CCN=[N+]=[N-])C(=O)OC(C)(C)C | 250mg | 525906957

tert-butyl (2-Azidoethyl)((tributylstannyl)methyl)carbamate | Synthonix - Stock | 1639963-43-1 | MFCD31536789 | 489.292 | C20H42N4O2Sn | 95.000 | CCCC[Sn](CCCC)(CCCC)CN(CCN=[N+]=[N-])C(=O)OC(C)(C)C | 250mg | 525906957

ENCOMPASS_PREFERRED
3,300

Medchemexpress LLC 3-[2-(2-methoxyethoxy)ethoxy]propanal | 356066-46-1 | MFCD26910955 | 99.8% | 176.21 g/mol | C8H16O4 | 5MG
SDP

m-PEG3-aldehyde is a methoxy-terminated polyethylene glycol linker bearing a terminal aldehyde functional group. It provides a short PEG spacer (three ethylene glycol units) to improve solubility and flexibility and enables conjugation by oxime formation or reductive amination for medicinal chemistry applications such as PROTAC assembly and bioconjugation.

  • Provides a reactive aldehyde for oxime formation and reductive amination.
  • Contains a short PEG spacer of three ethylene glycol units.
  • Improves solubility and conformational flexibility of conjugates.
  • Suitable for PROTAC linker synthesis and other bioconjugation workflows.
  • Supplied at research scale for laboratory synthesis.
  • High analytical purity (>99.8%) as reported by the manufacturer.

ENCOMPASS_PREFERRED