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Organometallic Compounds

Organometallic compounds contain direct bonds between carbon atoms and metal atoms/ions and play roles as homogeneous catalysts and stoichiometric reagents in reactions; available in various chemical compositions, quantities, purities, and reagent grades.
Organo-Metalloid Compounds (2,873)
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2,221 – 2,235 of 3,291 results
2,221

Medchemexpress LLC N-(Azido-PEG3)-N-(PEG2-NH-Boc)-PEG3-acid | 2183440-74-4 | 98.1% | C29H55N5O13 | 25 MG
SDP

N-(Azido-PEG3)-N-(PEG2-NH-Boc)-PEG3-acid is a PEG-based PROTAC linker utilized in the synthesis of PROTACs. It functions as a click chemistry reagent.

  • Can participate in copper-catalyzed azide-alkyne cycloaddition reactions (CuAAc) with alkyne-containing molecules.
  • Undergoes strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
  • Utilized in the synthesis of PROTACs.
  • Enables selective degradation of target proteins through the intracellular ubiquitin-proteasome system.

ENCOMPASS_PREFERRED
2,222

Medchemexpress LLC Bromoacetamido-PEG3-C2-Boc | 1807537-33-2 | C15H28BrNO6 | 1 G
SDP

Bromoacetamido-PEG3-C2-Boc is a PEG-based PROTAC linker that is utilized in the synthesis of PROTACs. PROTACs themselves are small molecules composed of two different ligands connected by a linker; one ligand targets an E3 ubiquitin ligase, and the other targets a protein of interest. This mechanism allows PROTACs to leverage the intracellular ubiquitin-proteasome system for the selective degradation of target proteins.

  • Application: used in the synthesis of PROTACs.
  • Mechanism: facilitates the degradation of target proteins via the ubiquitin-proteasome system when incorporated into PROTACs.
  • Research use: for research purposes only; not intended for sale to patients.
  • Form: liquid (density: 1.252 g/cm3), colorless to light yellow.

ENCOMPASS_PREFERRED
2,223

Medchemexpress LLC Azido-PEG5-triethoxysilane | 3025193-22-7 | 95.0% | C22H46N4O9Si | 50 MG
SDP

Azido-PEG5-triethoxysilane is a PEG-based PROTAC linker utilized in the synthesis of PROTACs. It functions as a click chemistry reagent containing an Azide group, enabling it to participate in various cycloaddition reactions. PROTACs are designed to degrade target proteins via the intracellular ubiquitin-proteasome system.

  • Utilized in the synthesis of PROTACs
  • Functions as a click chemistry reagent
  • Undergoes copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions with molecules containing alkyne groups
  • Participates in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups

ENCOMPASS_PREFERRED
2,224

Medchemexpress LLC Ms-PEG5-t-butyl ester | 870487-48-2 | C₁₆H₃₂O₉S | 250 MG
SDP

Ms-PEG5-t-butyl ester is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs.

  • PROTACs contain two different ligands connected by a linker; one is a ligand for an E3 ubiquitin ligase and the other is for the target protein.
  • PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

ENCOMPASS_PREFERRED
2,225

Medchemexpress LLC 2-(2-(2-bromoethoxy)ethoxy)ethyl methanesulfonate | 2702323-73-5 | 95.0% | 291.16 | C7H15BrO5S | 5 MG
SDP

Br-PEG3-MS is a brominated, PEG-based PROTAC linker (methanesulfonate) designed for use in chemical synthesis of PROTACs and other bifunctional molecules. It provides a short PEG3 spacer with a reactive leaving group for conjugation chemistry, enabling efficient formation of linkages between ligands under standard organic conditions. For research use only.

  • PEG3 spacer with a terminal bromide and methanesulfonate leaving group.
  • Suitable for linker synthesis and nucleophilic substitution reactions.
  • High purity (95.0% by NMR) for reliable synthetic performance.
  • Low molecular weight facilitates handling in small-scale reactions.
  • Available in multiple small pack sizes to support medicinal chemistry workflows.

ENCOMPASS_PREFERRED
2,226

Medchemexpress LLC N-(Azido-PEG3)-N-bis(PEG4-acid) | 2112731-54-9 | 98.0% | C30H58N4O15 | 50 MG
SDP

N-(Azido-PEG3)-N-bis(PEG4-acid) is a PEG-based PROTAC linker designed for use in the synthesis of PROTACs. This compound acts as a click chemistry reagent, featuring an Azide group. It can participate in copper-catalyzed azide-alkyne cycloaddition (CuAAc) reactions when combined with Alkyne groups. Additionally, it is capable of undergoing strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.

  • PEG-based PROTAC linker
  • Used in the synthesis of PROTACs
  • Functions as a click chemistry reagent
  • Contains an Azide group
  • Undergoes copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with Alkyne groups
  • Participates in strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with DBCO or BCN groups

ENCOMPASS_PREFERRED
2,227

eMolecules​ 100900-07-0 | 5-(2-Aminoethylamino)-1-naphthalenesulfonic acid sodium salt | Combi-Blocks, Inc. | MFCD00051474 | 288.300 | C12H13N2NaO3S | 95.000 | [Na+].NCCNc1cccc2c(cccc12)S([O-])(=O)=O | 1g | 603153060

5-(2-Aminoethylamino)-1-naphthalenesulfonic acid sodium salt | Combi-Blocks, Inc. | 100900-07-0 | MFCD00051474 | 288.300 | C12H13N2NaO3S | 95.000 | [Na+].NCCNc1cccc2c(cccc12)S([O-])(=O)=O | 1g | 603153060

ENCOMPASS_PREFERRED
2,228

Medchemexpress LLC Fmoc-NH-PEG3-CH2CH2COOH | 867062-95-1 | 99.8% | 443.49 g/mol | C24H29NO7 | 5 G
SDP

Fmoc-NH-PEG3-CH2CH2COOH is an Fmoc-protected PEG3-based cleavable linker used for conjugation chemistry in research applications such as antibody-drug conjugates and PROTAC synthesis. It provides a short PEG spacer with an Fmoc-protected amino terminus and a terminal carboxylic acid for coupling reactions.

  • High purity suitable for research use.
  • PEG3 spacer provides solubility and flexibility.
  • Fmoc protection enables standard amine deprotection workflows.
  • Terminal carboxylic acid allows amide bond formation.
  • Available in multiple pack sizes for synthesis scale-up.

ENCOMPASS_PREFERRED
2,229

Medchemexpress LLC Atrovastatin-PEG3-FITC | 1440755-31-6 | 98.2% | 1150.31 | C64H68FN5O12S | 5 MG
SDP

Atrovastatin-PEG3-FITC is a fluorescently labeled atorvastatin derivative used as a ligand/tracer to study KRAS-PDEδ interactions. It is applied in fluorescence anisotropy and related binding assays to characterize protein-ligand interactions and support biochemical screening and biophysical analysis.

  • Fluorescent FITC label suitable for anisotropy and fluorescence assays.
  • Acts as a ligand for studying KRAS-PDEδ interactions.
  • High purity (98.17%).
  • Molecular weight 1150.31; formula C64H68FN5O12S.
  • DMSO soluble at 100 mg/mL; ultrasonic assistance and freshly opened DMSO recommended.
  • Available in small research pack sizes (for example, 5 mg).

ENCOMPASS_PREFERRED
2,230

Medchemexpress LLC PS-1145 | 431898-65-6 | 99.9% | 322.75 | 1 ML
SDP

PS-1145 | 431898-65-6 | 99.9% | 322.75 | 1 ML

ENCOMPASS_PREFERRED
2,231

Chemscene ChemScene | 4-(Trimethylsilyl)benzeneboronic acid | 10G | CS-W001042 | 0.98 | 17865-11-1| MFCD00093348 | 194.12
SDP

ChemScene | 4-(Trimethylsilyl)benzeneboronic acid | 10G | CS-W001042 | 0.98 | 17865-11-1| MFCD00093348 | 194.12

ENCOMPASS_PREFERRED
2,232

Accela Chembio Inc 2 | 2'-bis(trifluoromethyl)benzidine | 5g | 341-58-2 | MFCD00190155 | 97+% | Shelf Life: 1260 Days | Light Sensitive
SDP

2 | 2'-bis(trifluoromethyl)benzidine | 5g | 341-58-2 | MFCD00190155 | 97+% | Shelf Life: 1260 Days | Light Sensitive

ENCOMPASS_PREFERRED
2,233

Medchemexpress LLC PS-1145 | 431898-65-6 | 99.7% | 322.75 | 1 MG
SDP

PS-1145 | 431898-65-6 | 99.7% | 322.75 | 1 MG

ENCOMPASS_PREFERRED
2,234

eMolecules​ 3027-21-2 | Dimethoxy(methyl)(phenyl)silane | Ambeed | MFCD00008343 | 182.294 | C9H14O2Si | 98 | CO[Si](C)(OC)c1ccccc1 | 10g | 525102076

Ambeed | (S)-2-((2R3R)-3-((S)-1-((3R4S5S)-4-((S)-N3-Dimethyl-2-((S)-3-methyl-2-(methylamino)butanamido)butanamido)-3-methoxy-5-methylheptanoyl)pyrrolidin-2-yl)-3-methoxy-2-methylpropanamido)-3-phenylpropanoic acid | 2mg | 491171472 | A309085 | 745017-94-1 | MFCD25976742 | 731.976 | C39H65N5O8

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ENCOMPASS_PREFERRED
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2,235

eMolecules​ 1221343-14-1 | Ambeed | 1-Hydroxy-13-dihydrobenzo[c][12]oxaborole-6-carboxylic acid | 250mg | 539143562 | A885286 | MFCD20527893 | 177.95 | C8H7BO4

Ambeed | tert-Butyl 3-(4455-tetramethyl-132-dioxaborolan-2-yl)propanoate | 1g | 717677379 | A113485 | 134892-19-6 | MFCD10700151 | 256.150 | C13H25BO4

If you are unable to find the chemical you are looking for, make sure you are logged into your fishersci.com account and click on the following link:
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ENCOMPASS_PREFERRED
Encompass Procurement Services
Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More