Organo-Metalloid Compounds
1-(Trimethylsilyl)imidazole, Approx. 97%, Spectrum™ Chemical
CAS: 18156-74-6 Molecular Formula: C6H12N2Si Molecular Weight (g/mol): 140.26 MDL Number: MFCD00005280 InChI Key: YKFRUJSEPGHZFJ-UHFFFAOYSA-N IUPAC Name: 1-(trimethylsilyl)-1H-imidazole SMILES: C[Si](C)(C)N1C=CN=C1
Ethyl Silicate, Condensed, Spectrum™ Chemical
CAS: 78-10-4 Molecular Formula: C8H20O4Si Molecular Weight (g/mol): 208.33 InChI Key: BOTDANWDWHJENH-UHFFFAOYSA-N IUPAC Name: tetraethyl silicate SMILES: CCO[Si](OCC)(OCC)OCC
![eMolecules N-[(3-Trimethoxysilyl)propyl]ethylenediamine triacetic acid trisodium salt (40% solution in water) | 128850-89-5 | MFCD00054460 | 1g](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502141961.JPG-250.jpg)
eMolecules N-[(3-Trimethoxysilyl)propyl]ethylenediamine triacetic acid trisodium salt (40% solution in water) | 128850-89-5 | MFCD00054460 | 1g
Oakwood Chemicals | N-[(3-Trimethoxysilyl)propyl]ethylenediamine triacetic acid trisodium salt (40% solution in water) | 1g | 480171149 | S18325 | | 128850-89-5 | MFCD00054460 | 462.413 | C14H25N2Na3O9Si
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eMolecules Building Block Tool
Medchemexpress LLC Azido-PEG5-alcohol | 86770-68-5 | >97.0% | 263.29 g·mol⁻¹ | C10H21N3O5 | 5 G
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%.
Medchemexpress LLC Azido-PEG5-acid | 1425973-16-5 | MFCD23726612 | ≥98.0% | 335.35 | C13H25N3O7 | 1 G
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)
Medchemexpress LLC 2-amino-4-(ethylthio)butanoic acid | 67-21-0 | MFCD00063102 | 99.4% | 163.24 g·mol⁻¹ | C6H13NO2S | 10 G
2-Amino-4-(ethylthio)butanoic acid is a methionine-derived amino acid analogue supplied as a research-grade biochemical reagent. It is intended for laboratory studies of amino acid metabolism, enzyme assays, and nutritional or pharmacological investigations; not for human or clinical use.
- High purity (99.36%).
- Molecular weight 163.24 g·mol⁻¹.
- Soluble in water for aqueous assays.
- Available in multiple pack sizes for laboratory experiments.
- Provided with certificate of analysis and safety data sheet.
Medchemexpress LLC Azido-PEG5-acid | 1425973-16-5 | MFCD23726612 | 98.0% | 335.35 g/mol | C13H25N3O7 | 500 MG
Azido-PEG5-acid is an azide-terminated, five-unit polyethylene glycol linker with a terminal carboxylic acid that enables click-chemistry bioconjugation reactions. It is used as a PROTAC and ADC linker and is compatible with copper-catalyzed azide-alkyne cycloaddition and strain-promoted cycloaddition reactions.
- Azide functional group for CuAAC and SPAAC reactions.
- Five-unit PEG spacer provides water solubility and flexibility.
- Terminal carboxylic acid enables amide or ester coupling.
- Typical purity ≥98.0%.
- Suitable for linker synthesis and bioconjugation applications.
Medchemexpress LLC Azido-PEG5-alcohol | 86770-68-5 | ≥97.0% | 263.29 | C10H21N3O5 | 10 G
Azido-PEG5-alcohol is a polyethylene glycol (PEG) linker bearing a terminal azide and a terminal hydroxyl group. It functions as a non-cleavable, five-unit PEG spacer for bioconjugation and click chemistry applications.
- Contains azide (-N3) and terminal alcohol (-OH) functional groups.
- Water-soluble PEG linker suitable for click chemistry and PROTAC/ADC assembly.
- Molecular weight ~263.29 g/mol; formula C10H21N3O5.
- High purity, typically ≥97.0% by manufacturer specification.
- Available in multiple pack sizes, including 10 g.
Medchemexpress LLC 3-(trimethylsilyl)propanoic acid-d4 sodium | 24493-21-8 | MFCD00002762 | 98.0% | 172.27 | C6H9D4NaO2Si | 10 MG
3-(Trimethylsilyl)propanoic acid-d4 sodium is the deuterium-labeled sodium salt used as an internal standard and tracer in analytical chemistry. It provides a stable reference signal for NMR spectroscopy and is also suitable for quantitative analyses by GC-MS and LC-MS, with high isotopic enrichment and purity.
- Deuterium-labeled sodium salt suitable as an internal standard for 1H NMR.
- Water- and deuterium oxide-soluble reference for reliable chemical shift calibration.
- High isotopic enrichment and 98.0% purity support accurate quantitative analysis.
- Applicable as a tracer in GC-MS and LC-MS workflows.
- Supplied in small, accurately weighed packages for analytical use.
Medchemexpress LLC GSK2807 trifluoroacetate | 2245255-66-5 | 99.8% | 566.53 g·mol⁻¹ | C21H33F3N8O7 | 25 MG
GSK2807 Trifluoroacetate is the trifluoroacetate salt of a potent, selective, SAM-competitive inhibitor of the histone methyltransferase SMYD3. Supplied as a high-purity solid for research use, it demonstrates biochemical potency (Ki 14 nM; IC50 130 nM) and includes manufacturer guidance for solubility and storage for in vitro and in vivo applications.
- Potent, selective SAM-competitive inhibition of SMYD3 (Ki 14 nM, IC50 130 nM).
- High purity solid suitable for biochemical and cellular studies.
- Formulated as a trifluoroacetate salt to improve handling and stability.
- Well-characterized solubility in DMSO and water for assay preparation.
- Storage guidance provided for refrigerated and long-term frozen conditions.
Medchemexpress LLC Pomalidomide-PEG3-C2-NH2 TFA | 2414913-97-4 | 99.0% | 2 G
Pomalidomide-PEG3-C2-NH2 TFA is a synthetic E3 ligase ligand-linker conjugate, featuring a Pomalidomide-based cereblon ligand and a 3-unit PEG linker. This compound is designed for the synthesis of PROTACs and is intended for research use only.
- Synthetic E3 ligase ligand-linker conjugate
- Features a Pomalidomide-based cereblon ligand and 3-unit PEG linker
- Utilized for the synthesis of PROTACs
- High purity: 99.0%
- Molecular weight: 562.49
- Chemical formula: C23H29F3N4O9
- Appears as a light yellow to yellow solid-liquid mixture
- Soluble in DMSO, ethanol, and water
- Offers multiple dissolution protocols for in vivo studies
Medchemexpress LLC 1,4-dihydro-2,4,6-trimethyl-3,5-pyridinedicarboxylic acid, 3,5-diethyl ester | 632-93-9 | 99.5% | 267.32 g/mol | C14H21NO4 | 5 G
Diethyl 2,4,6-trimethyl-1,4-dihydropyridine-3,5-dicarboxylate is a research-grade small-molecule standard (CAS 632-93-9) used in biochemical and toxicology studies, including liver disease models. Supplied as a white to off-white powder, it is suitable for analytical assays and model development where high-purity pyridinedicarboxylate esters are required.
- Chemical formula C14H21NO4; molecular weight 267.32 g/mol.
- High purity (HPLC) 99.5%.
- Low water content (KF) 0.02%.
- Physical state: white to off-white powder.
- Storage: powder stable -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months).
- Common use: research models of cholestatic liver injury and related studies.