Cresols
Medchemexpress LLC Farnesene (mixture of isomers) | 125037-13-0 | 98.0% | 204.35 | 1 ML
Farnesene (mixture of isomers) is a farnesene with a mixture of isomers. It is a herbivore-induced plant volatile (HIPV) and plays a significant role in insect resistance across various plant species. It is for research use only.
- Exists as a mixture of isomers
- Herbivore-induced plant volatile (HIPV)
- Important effect on insect resistance in many plant species
Medchemexpress LLC Methoxy polyethylene glycol (mPEG) 13 carboxylic acid | 2170098-33-4 | MFCD28385486 | 95.0% | 632.74 g/mol | C28H56O15 | 1 G
m-PEG13-acid is a methoxy-terminated polyethylene glycol (PEG) linker bearing a terminal carboxylic acid. It is used as a flexible, hydrophilic spacer for bioconjugation and PEGylation; the carboxylic acid can be activated for amide formation with primary amines, making it suitable for linker construction in medicinal chemistry and PROTAC synthesis.
- Provides terminal carboxylic acid for facile amide coupling to primary amines
- Methoxy-terminated (monofunctional) PEG to limit crosslinking
- Flexible, hydrophilic spacer suitable for PEGylation and linker design
- Molecular weight ≈ 632.74 g/mol; formula C28H56O15
- Common applications include bioconjugation and PROTAC linker synthesis
- Supplied as a powder; follow supplier storage and handling guidance
Medchemexpress LLC Kaur-16-en-18-oic acid, 13-[(O-β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)]-β-D-glucopyranosyl)oxy]-, O-β-D-glucopyranosyl-(1→2)-O-[β-D-glucopyranosyl-(1→3)]-β-D-glucopyranosyl ester, (4α)- | 1220616-44-3 | 1 MG
Rebaudioside M is a non-calorie sweetener isolated from *Stevia rebaudiana*. It is a glycoside of the ent-kaurene diterpenoid aglycone and is more than 350 times sweeter than sucrose. It can be used in food and beverages.
- Protects β-cell activity and enhances insulin secretion.
- Inhibits PI3K/Akt pathway, lowering cell proliferation and enhancing apoptosis.
- Downregulates Wnt/catenin pathway in colon cancer cells, reducing migration and invasion.
- Lowers fasting blood glucose and enhances glucose tolerance in diabetic rats.
- Decreases oxidative stress and pro-inflammatory cytokines, protecting pancreatic beta-cells.
- Reduces blood pressure, increases endothelial function, and causes vasodilation in hypertensive rats.
Medchemexpress LLC Animal-free IL-13 protein, mouse (His) | 2UG
Recombinant mouse interleukin-13 (IL-13) is expressed in E. coli and supplied as a His-tagged, animal-free lyophilized powder for research use. It is intended for cell-based assays and bioactivity testing, with documented activity in TF-1 cell proliferation assays.
- His-tagged protein for detection and purification.
- Animal-free production suitable for cell culture applications.
- Lyophilized powder; recommended reconstitution to 100-200 μg/mL in ddH2O.
- Approximate molecular weight ~11 kDa as determined by SDS-PAGE.
- High specific activity (>2.5x10^5 IU/mg); ED50 <10 ng/mL in TF-1 assay.
- Store at -20°C for long-term storage; add carrier protein for stability after reconstitution.
Medchemexpress LLC Methyl p-coumarate (Methyl 4-hydroxycinnamate) | 3943-97-3 | 178.18 | 10 G
Methyl p-coumarate (Methyl 4-hydroxycinnamate) is an orally active esterified derivative of p-Coumaric acid (pCA) that can be isolated from the flower of *Trixis michuacana var longifolia*. It has been shown to inhibit melanin formation in B16 mouse melanoma cells and exhibits a strong *in vitro* inhibitory effect on *A. alternata* and other pathogens.
- Inhibits melanin formation in B16 mouse melanoma cells.
- Exhibits strong *in vitro* inhibitory effect on *A. alternata* and other pathogens.
- Shows anti-inflammatory activity on Phorbol 12-myristate 13-acetate (PMA)-stimulated A549 cells by suppressing the secretion of IL-6, IL-8, MCP-1, and ICAM-1.
- Inhibits activation of NF-κB/AP-1 in PMA-stimulated A549 cells.
- Inhibits airway inflammation in Ovalbumins-induced mice with allergic asthma, reducing Th2 cytokines, MCP-1, IgE secretion, and eosinophil/macrophage influx.
Medchemexpress LLC Interleukin-13 (mouse) | 50UG
Recombinant animal-free mouse interleukin-13 with a C-terminal His tag, expressed in E. coli and supplied lyophilized. The preparation is endotoxin-controlled and biologically active, suitable for cell-based assays (for example, TF-1 proliferation) and biochemical studies that require low-endotoxin cytokine preparations.
- Animal-free recombinant protein suitable for in vitro assays.
- His-tag for easy purification and detection.
- Low endotoxin (<0.1 EU/μg) for sensitive applications.
- Biologically active: ED50 <10 ng/mL in TF-1 proliferation assay.
- High specific activity (>2.5x10^5 IU/mg).
- Lyophilized from PBS for stability and handling convenience.
- Approximate molecular weight ~11 kDa.
- Recommended reconstitution at 100-200 μg/mL; store at -20°C.
Medchemexpress LLC Macrophage colony-stimulating factor (M-CSF), recombinant human | 81627-83-0 | MFCD00166591 | >95.0% | 50UG
Animal-Free M-CSF Protein, Human (His) is a recombinant human macrophage colony-stimulating factor produced in E. coli and supplied lyophilized with a C-terminal 6xHis tag for research and cell-culture applications. It regulates macrophage survival, differentiation, and function, and is characterized for biological activity and high purity.
- Lyophilized C-terminal 6xHis-tagged recombinant human M-CSF.
- Supplied as a 50 μg vial for research use.
- Produced in E. coli using animal-free processes.
- Predicted molecular mass 13.3 kDa; ~13-26 kDa by reducing SDS-PAGE.
- Purity >95% as determined by reducing SDS-PAGE.
- Specific activity >2.5 x 10^8 IU/mg; ED50 <1 ng/mL (NFS-60 assay).
- Formulated in PBS with trehalose; reconstitute to 100-200 μg/mL in ddH2O.
- Store at -20°C; freeze aliquots at -20°C or -80°C for long-term storage.