Organometallic Compounds
Medchemexpress LLC Azido-PEG3-SSPy | 98.6% | 344.45 g/mol | C13H20N4O3S2 | 25 MG
Azido-PEG3-SSPy is a cleavable three-unit polyethylene glycol (PEG) linker containing an azide functional group, designed for bioconjugation and antibody-drug conjugate (ADC) synthesis. It enables click chemistry (CuAAC) and strain-promoted azide-alkyne cycloadditions (SPAAC) for attachment to alkyne- or DBCO/BCN-containing molecules.
- Cleavable disulfide-containing PEG linker suitable for ADC construction.
- Azide-functionalized for copper-catalyzed azide-alkyne cycloaddition (CuAAC).
- Compatible with strain-promoted alkyne-azide cycloaddition (SPAAC) with DBCO or BCN.
- Supplied as a colorless to light yellow liquid with high purity.
- Suitable for bioconjugation and linker development in drug conjugates.
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 Perfluorophenyl 3-(2-(2-(2-(1,3-dioxoisoindolin-2-yloxy)ethoxy)ethoxy)ethoxy)propanoate | 2101206-87-3 | >96.0% | 533.4 g/mol | C23H20F5NO8 | 10 MG
NHPI-PEG3-C2-Pfp ester is a noncleavable, trifunctional 3-unit polyethylene glycol (PEG) linker bearing an N-hydroxyphthalimide (NHPI) group and a perfluorophenyl (Pfp) activated ester. It is used for bioconjugation and in the synthesis of antibody-drug conjugates (ADCs). Intended for research use only.
- Noncleavable 3-unit PEG linker
- NHPI functional group for site-specific conjugation
- Perfluorophenyl activated ester for amine coupling
- Molecular weight about 533.4 g/mol; formula C23H20F5NO8
- Purity greater than 96%
- Intended for research use only, not for human or animal use
Medchemexpress LLC N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester | 2100306-76-9 | 95.0% | C30H54N6O11S | 100 MG
N-(Azido-PEG3)-N-Biotin-PEG4-methyl ester is a PEG-based PROTAC linker for the synthesis of PROTACs. It also functions as a click chemistry reagent, facilitating reactions with various alkyne-containing, DBCO, or BCN molecules.
- PEG-based PROTAC linker
- Utilized in PROTAC synthesis
- Functions as a click chemistry reagent
- Contains an azide group
- Enables copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc)
- Supports strain-promoted alkyne-azide cycloaddition (SPAAC) reactions
Medchemexpress LLC Turofexorate isopropyl | 629664-81-9 | 99.8% | C25H24F2N2O3 | 1 ML
Turofexorate isopropyl (FXR-450) is a potent, selective, and orally bioavailable FXR agonist with an EC50 of 4 nM. It is intended for research and analytical applications, and an analytical standard is also available.
- Potent, selective, and orally bioavailable FXR agonist
- Used in autophagy, metabolic disease, and cancer research
- Consistent with structure via 1H NMR and MS
- High purity of 99.8%
Medchemexpress LLC 14-azido-3,6,9,12-tetraoxatetradecan-1-ol | 86770-68-5 | 97.0% | 263.29 g/mol | C10H21N3O5 | 1 G
Azido-PEG5-alcohol is a polyethylene glycol (PEG) linker with a terminal azide and a terminal alcohol, used for bioconjugation and linker installation. The azide group enables copper-catalyzed and strain-promoted azide-alkyne cycloaddition reactions, while the PEG5 spacer improves solubility and flexibility for conjugation workflows.
- Terminal azide enables CuAAC and SPAAC click reactions.
- PEG5 spacer increases solubility and reduces steric hindrance.
- Suitable for use as a non-cleavable linker in conjugation chemistry.
- Colorless to light yellow liquid with high purity.
- Stable under recommended storage conditions for long-term use.
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
Frontier Specialty Chemicals 5G POTASSIUM METHOXYMETHYLTRIF
Potassium methoxymethyltrifluoroborate; CAS: 910251-11-5; 5g