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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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1,546 – 1,560 of 3,292 results
1,546

Medchemexpress LLC Azido-PEG5-alcohol | 86770-68-5 | >97.0% | 263.29 g·mol⁻¹ | C10H21N3O5 | 5 G
SDP

Azido-PEG5-alcohol is an azide-terminated polyethylene glycol linker containing five ethylene glycol units and a terminal primary alcohol, used as a water-soluble reagent for bioconjugation and linker synthesis. It is commonly applied in click chemistry and in the construction of antibody-drug conjugates and PROTACs.

  • Azide functionality enables CuAAC and SPAAC click reactions.
  • Water-soluble PEG5 spacer improves solubility and flexibility.
  • Terminal primary alcohol provides a synthetic handle for derivatization.
  • Suitable for ADC linker synthesis and PROTAC construction.
  • Supplied as a solid with reported purity >97.0%.

ENCOMPASS_PREFERRED
1,547

eMolecules​ 6485-79-6 | Triisopropylsilane | Oakwood Chemical | MFCD00009657 | 158.360 | C9H22Si | 98.000 | CC(C)[SiH](C(C)C)C(C)C | 2.5kg | 589794340

Triisopropylsilane | Oakwood Chemical | 6485-79-6 | MFCD00009657 | 158.360 | C9H22Si | 98.000 | CC(C)[SiH](C(C)C)C(C)C | 2.5kg | 589794340

ENCOMPASS_PREFERRED
1,548

Frontier Specialty Chemicals 5G POTASSIUM METHOXYMETHYLTRIF

Potassium methoxymethyltrifluoroborate; CAS: 910251-11-5; 5g

ENCOMPASS_PREFERRED
1,549

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000402769 TRIMETHOXY 4-PHENYLB 25G

ENCOMPASS_PREFERRED
1,550

eMolecules​ 2096992-05-9 | Ethyl 2-(3-((tert-butoxycarbonyl)amino)bicyclo[1.1.1]pentan-1-yl)acetate | Ambeed | MFCD30728476 | 269.341 | C14H23NO4 | 98.000 | CCOC(=O)CC12CC(C1)(C2)NC(=O)OC(C)(C)C | 250mg | 586039502

Ethyl 2-(3-((tert-butoxycarbonyl)amino)bicyclo[1.1.1]pentan-1-yl)acetate | Ambeed | 2096992-05-9 | MFCD30728476 | 269.341 | C14H23NO4 | 98.000 | CCOC(=O)CC12CC(C1)(C2)NC(=O)OC(C)(C)C | 250mg | 586039502

ENCOMPASS_PREFERRED
1,551

Chemscene CHEMSCENE
SDP

5000576149 6 6- 1E 1E - 1R 2R-CYCLOH 100G

ENCOMPASS_PREFERRED
1,552

Chemscene CHEMSCENE
SDP

5000575404 ETHYL 3-TRIMETHYLSILYL PROP 5G

ENCOMPASS_PREFERRED
1,553

Medchemexpress LLC AZIDO-PEG5-ACID 5G
SDP

5000203385 AZIDO-PEG5-ACID 5G

ENCOMPASS_PREFERRED
1,554

Med Vet International Exel Needle, 16G X 3/4in, Hypodermic, Vet Use, 100/BX, 26456

This Exel International 26456 Needle is a 16G X 3/4' Regular Wall needle. Regular wall needles are more rigid than thin wall needles, providing extra support and less flex due to added annula thickness. This hypodermic needle is a hollow needle used for withdrawing fluid like blood samples, or injecting medications. This quantity is 100/BX

ENCOMPASS_PREFERRED
1,555

eMolecules​ 887144-97-0 | 3,3-Dimethyl-1-(trifluoromethyl)-1,2-benziodoxole | Combi-Blocks | MFCD10567056 | 330.089 | C10H10F3IO | 98.000 | CC1(C)O[I](c2ccccc12)C(F)(F)F | 25g | 495742009

3,3-Dimethyl-1-(trifluoromethyl)-1,2-benziodoxole | Combi-Blocks | 887144-97-0 | MFCD10567056 | 330.089 | C10H10F3IO | 98.000 | CC1(C)O[I](c2ccccc12)C(F)(F)F | 25g | 495742009

ENCOMPASS_PREFERRED
1,556

Medchemexpress LLC MEDCHEMEXPRESS LLC
SDP

5000770466 TRIPHENYLSILANOL 50G

ENCOMPASS_PREFERRED
1,557

Medchemexpress LLC M-PEG5-acid | 81836-43-3 | MFCD20926398 | 95.0% | 280.31 g/mol | C12H24O7 | 1 G
SDP

m-PEG5-acid is a monomethylated polyethylene glycol (PEG) linker terminated with a carboxylic acid group, used as a short spacer in the synthesis of PROTACs and other bioconjugates. It provides a PEG5 (approximately five ethylene oxide units) spacer with a reactive carboxylic acid for standard coupling chemistries.

  • Short monomethylated PEG5 spacer with terminal carboxylic acid.
  • Useful as a linker in PROTAC and conjugate synthesis.
  • Molecular weight ~280.31 g/mol and formula C12H24O7.
  • Typical purity around 95.0%.
  • Light yellow to light brown liquid; density ~1.107 g/cm3.
  • Store sealed, away from moisture; use cold storage for solutions.

ENCOMPASS_PREFERRED
1,558

Medchemexpress LLC Azido-PEG5-acid | 1425973-16-5 | MFCD23726612 | ≥98.0% | 335.35 | C13H25N3O7 | 1 G
SDP

Azido-PEG5-acid is a PEG-based, azide-terminated 5-unit linker used for bioconjugation and click chemistry. It is water soluble and commonly used as a linker in PROTAC and ADC synthesis, enabling copper-catalyzed azide-alkyne cycloaddition (CuAAC) and strain-promoted azide-alkyne cycloaddition (SPAAC).

  • Azide functional group for CuAAC and SPAAC
  • Five-unit PEG spacer provides water solubility
  • Molecular weight 335.35 g/mol
  • CAS number 1425973-16-5
  • Purity ≥98.0%
  • Appearance: colorless to light yellow liquid
  • Storage: pure form -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month)

ENCOMPASS_PREFERRED
1,559

Frontier Specialty Chemicals 100G 2-(TRIBUTYLSTANNYL)PYRIDI

100g 2-(tributylstannyl)pyridi. 17997-47-6

ENCOMPASS_PREFERRED
1,560

Medchemexpress LLC Eggggg-peg8-amide-bis(deoxyglucitol) | 2842855-38-1 | 98.9% | 1254.29 g/mol | C49H91N9O28 | 10 MG
SDP

EGGGG-PEG8-amide-bis(deoxyglucitol) is a cleavable antibody-drug conjugate (ADC) linker for research applications. It provides a hydrophilic, cleavable spacer that combines PEG and deoxyglucitol moieties to facilitate conjugation, improve solubility, and enable controlled payload release.

  • High purity (98.9%).
  • Hydrophilic PEG-deoxyglucitol spacer enhances solubility.
  • Cleavable linker chemistry suitable for controlled payload release.
  • Soluble in DMSO at elevated temperature (75 mg/mL with warming).
  • Supplied as a white to off-white solid-liquid mixture for handling.

ENCOMPASS_PREFERRED