Organometallic Compounds
Medchemexpress LLC L-Carnitine tartrat 25g
L-Carnitine tartrate is a highly polar small zwitterion L-Carnitine tartrate is an essential co-factor for the mitochondrial -oxidation pathway L-Carnitine tartrate functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by -oxidation L-Carnitine tartrate is an antioxidant L-Carnitine tartrate can ameliorate metabolic imbalances in many inborn errors of metabolism[1][2][3]
Medchemexpress LLC 3- Trimethoxysilyl p 100g
3-(Trimethoxysilyl)propyl methacrylate is a reactive monomer and silane coupling agent 3-(Trimethoxysilyl)propyl methacrylate can be used to prepare nanoparticles[1][2]
Medchemexpress LLC 4,7,10,13-tetraoxatetradecanoic acid | 67319-28-2 | 97.0% | 236.26 | C10H20O6 | 1 G
m-PEG3-CH2CH2COOH is a monomethyl-terminated PEG3 linker bearing a terminal carboxylic acid, used as a non-cleavable linker in antibody-drug conjugate and PROTAC synthesis. It is supplied as a colorless to light yellow liquid with a high NMR purity and defined molecular properties.
- Monomethyl-terminated PEG3 linker
- Terminal carboxylic acid functionality for conjugation
- Suitable for ADC and PROTAC synthesis
- Colorless to light yellow liquid form
- 97.0% purity (NMR)
- Molecular weight 236.26; formula C10H20O6
Medchemexpress LLC 5,8,11-trioxa-2-azatetradecanedioic acid, 1-(9H-fluoren-9-ylmethyl) ester | 867062-95-1 | 99.8% | 443.49 g/mol | C24H29NO7 | 1 G
Fmoc-NH-PEG3-CH2CH2COOH is an Fmoc-protected PEG3 linker bearing a terminal carboxylic acid, used in research applications as a cleavable linker for antibody-drug conjugates and as a PEG-based linker for PROTAC synthesis.
- Fmoc-protected amine functionality for standard peptide chemistry
- Terminal carboxylic acid for conjugation
- High reported purity (≈99.8%)
- Molecular weight 443.49 g/mol
- Chemical formula C24H29NO7
- Available in small-scale quantities, including 1 G
Medchemexpress LLC (S)-2-(2-((tert-butoxycarbonyl)amino)propanamido)acetic acid | 28782-78-7 | MFCD00235759 | 97.0% | 246.26 g/mol | C10H18N2O5 | 5 G
(S)-2-(2-((tert-Butoxycarbonyl)amino)propanamido)acetic acid is a Boc-protected glycine derivative used as a peptide fragment and building block in medicinal chemistry and peptide synthesis. It is supplied as a white to off-white solid with formula C10H18N2O5 and molecular weight 246.26 g/mol; CAS 28782-78-7. Typical applications include incorporation into peptides, synthetic modification, and structure-activity studies.
- Boc-protected amino acid derivative for incorporation into peptides.
- High purity suitable for research use (97.0%).
- Solid, white to off-white form for straightforward handling.
- Stable under recommended storage conditions to preserve integrity.
- Useful as a building block in medicinal chemistry and peptide synthesis.
Medchemexpress LLC Azide-PEG3-tos | 178685-33-1 | 329.37 g/mol | C13H19N3O5S | 250 MG
Azide-PEG3-Tos is a heterobifunctional PEG linker containing an azide functional group for click chemistry. It acts as a non-cleavable, three-unit PEG linker used in the synthesis of PROTACs and antibody-drug conjugates, and participates in copper-catalyzed and strain-promoted azide-alkyne cycloaddition reactions.
- Heterobifunctional PEG linker with azide group.
- Molecular weight 329.37 g/mol.
- Chemical formula C13H19N3O5S.
- CAS number 178685-33-1.
- Available in 250 MG packaging; other sizes available.
- Storage: pure form -20°C (3 years) or 4°C (2 years); in solvent -80°C (6 months) or -20°C (1 month).
- Applications: PROTAC synthesis, ADC construction, click chemistry.
Frontier Specialty Chemicals 5G POTASSIUM METHOXYMETHYLTRIF
Potassium methoxymethyltrifluoroborate; CAS: 910251-11-5; 5g
Medchemexpress LLC Tr-PEG3-OH | 133699-09-9 | MFCD22574815 | 99.6% | 392.49 g/mol | C25H28O4 | 1 G
Tr-PEG3-OH is a non-cleavable three-unit polyethylene glycol (PEG) linker used in the synthesis of antibody-drug conjugates (ADCs) and PROTACs. It acts as a short, hydrophilic spacer to improve payload solubility and control spacing between payload and antibody or ligand, supporting efficient conjugation chemistry.
- Non-cleavable three-unit PEG linker suitable for ADC and PROTAC synthesis.
- Provides a short, hydrophilic spacer to improve solubility and reduce aggregation.
- High purity for consistent conjugation performance.
- Compatible with standard organic synthesis and conjugation workflows.
- Available in small research quantities for laboratory use.
Medchemexpress LLC 5-Bromo-2-trifluoromethylpyridine | 436799-32-5 | MFCD06657686 | 99.7% | C6H3BrF3N | 25 G
5-Bromo-2-trifluoromethylpyridine is a biochemical reagent primarily for life science research. It functions as a biological material or organic compound, supporting various research applications. This product is strictly for research use and not intended for patient use.
- Biochemical reagent for life science research
- Can be used as a biological material or organic compound
- Molecular weight: 225.99
- Appearance: Solid
- Color: White to off-white
- Purity: 99.7%
- For research use only
Medchemexpress LLC Tolterodine (tartrate) | 124937-52-6 | MFCD00045558 | 98.6% | C26H37NO7 | 250 MG
Tolterodine tartrate is an mAChR inhibitor and substrate for cytochrome P450 enzymes, used in research for urinary tract infections and overactive bladder. It competitively binds acetylcholine, reducing sympathetic excitation and inhibiting involuntary bladder muscle contraction.
- Inhibits muscarinic acetylcholine receptors
- Substrate for cytochrome P450 enzymes
- Reduces sympathetic excitation
- Inhibits involuntary bladder muscle contraction
- Restores Nrf2/NF-κB signaling pathway
- Protects against inflammatory response and ferroptosis
- Ameliorates LPS-induced oxidative stress
Medchemexpress LLC N-Boc-PEG5-bromide | 1392499-32-9 | MFCD31536756 | 98.0% | 400.31 g/mol | C15H30BrNO6 | 1 G
N-Boc-PEG5-bromide is a Boc-protected polyethylene glycol (PEG5) bromide linker reagent used in organic synthesis for assembling antibody-drug conjugate (ADC) and proteolysis-targeting chimera (PROTAC) linkers. It supplies a protected amine and a reactive terminal bromide for nucleophilic substitution and coupling reactions, and is provided at high purity for research use.
- Provides a Boc-protected amine for temporary protection during synthesis.
- Offers a terminal bromide suitable for nucleophilic substitution and coupling reactions.
- PEG5 spacer increases solubility and flexibility in linker constructs.
- High purity appropriate for research and linker assembly.
- Stable under recommended storage conditions for extended shelf life.