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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)
Organolithium (174)
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1,621 – 1,635 of 3,292 results
1,621

Medchemexpress LLC 1,11-Bis-maleimidotetraethyleneglycol | 86099-06-1 | 98.0% | 250 MG
SDP

BM-PEG3 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.

  • PEG-based PROTAC linker
  • Used in the synthesis of PROTACs
  • PROTACs contain two different ligands
  • One ligand for E3 ubiquitin ligase
  • Other ligand for target protein
  • Exploits intracellular ubiquitin-proteasome system
  • Selectively degrades target proteins

ENCOMPASS_PREFERRED
1,622

Medchemexpress LLC Azido-PEG3-C6-Cl | 1625717-44-3 | MFCD34471373 | 95.3% | C12H24ClN3O3 | 10MG
SDP

Azido-PEG3-C6-Cl is a PEG-based PROTAC linker and click-chemistry reagent containing an azide functional group. It has molecular formula C12H24ClN3O3, molecular weight 293.79 g/mol, and reported purity 95.3%. The product is a colorless to light-yellow liquid supplied in small milligram pack sizes for research use and is stored at -20°C in pure form (stable up to 3 years).

  • Acts as a PEG-based linker for PROTAC and conjugate synthesis.
  • Contains an azide group compatible with CuAAC and strain-promoted click reactions.
  • Reported purity of 95.3% suitable for research applications.
  • Available in small pack sizes for synthetic and screening workflows.
  • Stable when stored at recommended temperatures, enabling longer-term storage.

ENCOMPASS_PREFERRED
1,623

Medchemexpress LLC 1-Propanamine, 3,3'-[oxybis(2,1-ethanediyloxy)]bis- | 4246-51-9 | >99.9% | 100 G
SDP

Bis-NH2-C1-PEG3, also known as PROTAC Linker 24, is a PEG-based PROTAC linker utilized in the synthesis of PROTACs. PROTACs leverage the intracellular ubiquitin-proteasome system to selectively degrade specific target proteins.

  • PEG-based PROTAC linker
  • Used in the synthesis of PROTACs
  • Appearance: colorless to light yellow liquid
  • Molecular formula: C10H24N2O3
  • Molecular weight: 220.31
  • Storage: 4°C, protect from light. In solvent: -80°C, 6 months; -20°C, 1 month (protect from light)

ENCOMPASS_PREFERRED
1,624

Medchemexpress LLC (S,R,S)-AHPC-C6-PEG3-C4-Cl | 1835705-55-9 | MFCD31560478 | >95.0% | 751.42 g/mol | C38H59ClN4O7S | 2 G
SDP

(S,R,S)-AHPC-C6-PEG3-C4-Cl is a VHL E3 ligase ligand-linker conjugate used as a building block for PROTAC design and targeted protein degradation research. It combines a stereodefined AHPC VHL ligand with a mixed C6-PEG3-C4 linker and has been used in cell-based assays to induce degradation of HaloTag fusion proteins.

  • Used as a VHL E3 ligase ligand building block for PROTAC synthesis.
  • Soluble in DMSO at 100 mg/mL (may require ultrasonication).
  • Suitable for in vivo formulations at ≥2.5 mg/mL in recommended cosolvent systems.
  • Stable in pure form when stored at -20°C for extended periods.
  • Molecular weight 751.42 g/mol and molecular formula C38H59ClN4O7S.

ENCOMPASS_PREFERRED
1,625

Medchemexpress LLC m-PEG5-Br | 854601-80-2 | 98.0% | C11H23BrO5 | 25 G
SDP

m-PEG5-Br is a PEG-based PROTAC linker used in the synthesis of PROTACs. PROTACs are designed to selectively degrade target proteins by utilizing the intracellular ubiquitin-proteasome system. They achieve this by connecting two ligands: one for an E3 ubiquitin ligase and another for the target protein.

  • PEG-based PROTAC linker
  • Used in the synthesis of PROTACs
  • Exploits the ubiquitin-proteasome system
  • Selectively degrades target proteins

ENCOMPASS_PREFERRED
1,626

Medchemexpress LLC Calcein (tetraethyl ester) | 1170856-93-5 | 99.5% | 5 MG
SDP

Calcein tetraethyl ester, also known as Fluorexon tetraethyl ester, is a fluorescent dye utilized in biological applications. Its key characteristic is its ability to be transported through the cellular membrane into live cells. This property makes it valuable for assessing cell viability and for the short-term labeling of cells.

  • Effective for live cell studies: Its cell-permeable nature allows for direct application in living systems without damaging cell integrity.
  • Versatile in research: Can be used for various analyses including cell function, in vivo imaging, and cell staining.

ENCOMPASS_PREFERRED
1,627

Medchemexpress LLC THP-PEG5-OH | 100MG
SDP

THP-PEG5-OH | 100MG

ENCOMPASS_PREFERRED
1,628

Medchemexpress LLC Bis-PEG3-acid | 96517-92-9 | 97.0% | 250 MG
SDP

Bis-PEG3-acid is a PEG-based PROTAC linker that can be used in the synthesis of PROTACs. PROTACs exploit the intracellular ubiquitin-proteasome system to selectively degrade target proteins.

  • PEG-based PROTAC linker
  • Used in the synthesis of PROTACs
  • Exploits the intracellular ubiquitin-proteasome system
  • Selectively degrades target proteins
  • Intended for research use only
  • Not sold to patients
  • Viscous liquid appearance
  • Colorless to light yellow color

ENCOMPASS_PREFERRED
1,629

eMolecules​ 2243566-42-7 | m-PEG5-triethoxysilane | Broadpharm483.674 | C21H45NO9Si | 96.000 | CCO[Si](CCCNC(=O)CCOCCOCCOCCOCCOC)(OCC)OCC | 1g | 411413972

m-PEG5-triethoxysilane | Broadpharm | 2243566-42-7483.674 | C21H45NO9Si | 96.000 | CCO[Si](CCCNC(=O)CCOCCOCCOCCOCCOC)(OCC)OCC | 1g | 411413972

ENCOMPASS_PREFERRED
1,630

eMolecules​ 850036-28-1 | (Cyclopent-1-en-1-yl)boronic acid | Apollo Scientific | MFCD02179496 | 111.940 | C5H9BO2 | 97.000 | OB(O)C1=CCCC1 | 100g | 894204659

(Cyclopent-1-en-1-yl)boronic acid | Apollo Scientific | 850036-28-1 | MFCD02179496 | 111.940 | C5H9BO2 | 97.000 | OB(O)C1=CCCC1 | 100g | 894204659

ENCOMPASS_PREFERRED
1,631

eMolecules​ 83622-41-7 | 2-(Dichloromethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | ChemScene | MFCD27976342 | 210.890 | C7H13BCl2O2 | 97.000 | CC1(C)OB(OC1(C)C)C(Cl)Cl | 10g | 841030211

2-(Dichloromethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | ChemScene | 83622-41-7 | MFCD27976342 | 210.890 | C7H13BCl2O2 | 97.000 | CC1(C)OB(OC1(C)C)C(Cl)Cl | 10g | 841030211

ENCOMPASS_PREFERRED
1,632

eMolecules​ 83622-41-7 | 2-(Dichloromethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | ChemScene | MFCD27976342 | 210.890 | C7H13BCl2O2 | 97.000 | CC1(C)OB(OC1(C)C)C(Cl)Cl | 25g | 893915042

2-(Dichloromethyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane | ChemScene | 83622-41-7 | MFCD27976342 | 210.890 | C7H13BCl2O2 | 97.000 | CC1(C)OB(OC1(C)C)C(Cl)Cl | 25g | 893915042

ENCOMPASS_PREFERRED
1,633

eMolecules​ 65094-22-6 | Diethyl Bromodifluoromethanephosphonate | AA Blocks LLC | MFCD00069118 | 267.007 | C5H10BrF2O3P | 0.000 | CCOP(=O)(OCC)C(F)(F)Br | 500g | 410166654

Diethyl Bromodifluoromethanephosphonate | AA Blocks LLC | 65094-22-6 | MFCD00069118 | 267.007 | C5H10BrF2O3P | 0.000 | CCOP(=O)(OCC)C(F)(F)Br | 500g | 410166654

ENCOMPASS_PREFERRED
1,634

eMolecules​ 65094-22-6 | Diethyl Bromodifluoromethanephosphonate | AA Blocks LLC | MFCD00069118 | 267.007 | C5H10BrF2O3P | 0.000 | CCOP(=O)(OCC)C(F)(F)Br | 100g | 410166653

Diethyl Bromodifluoromethanephosphonate | AA Blocks LLC | 65094-22-6 | MFCD00069118 | 267.007 | C5H10BrF2O3P | 0.000 | CCOP(=O)(OCC)C(F)(F)Br | 100g | 410166653

ENCOMPASS_PREFERRED
1,635

Ambeed AMBEED

5000849224 1-BOC-4- 4-BROMOPHENOXY 100MG

ENCOMPASS_PREFERRED