Sugar acids and derivatives
Medchemexpress LLC D-thyroxine | 51-49-0 | MFCD00063056 | >95.0% | 776.87 g/mol | C15H11I4NO4 | 10 MG
D-Thyroxine is the D-enantiomer of thyroxine provided as an analytical research standard for studies of thyroid hormone activity and metabolic effects. It is used in assays and experimental models where thyroid hormone action or cholesterol metabolism is investigated.
- Analytical standard suitable for research and assay development.
- Orally active thyroid hormone enantiomer used in biological studies.
- Available in small, weighed pack sizes for precise dosing and preparation.
- Stable when stored protected from light under recommended conditions.
Medchemexpress LLC Lucifer Yellow CH (dilithium salt) | 67769-47-5 | 98.4% | 25 MG
Lucifer Yellow CH (dilithium salt) is a high-intensity fluorescent probe containing free hydrazyl groups. It reacts with fatty aldehydes at room temperature and is used as a biological tracer to monitor neuronal branching and regeneration, detect and characterize gap junctions, and enable selective ablation of cells after aldehyde fixation. It exhibits maximum excitation/emission at 430 nm/540 nm.
- High-intensity fluorescent probe
- Reacts with fatty aldehydes at room temperature
- Monitors neuronal branching and regeneration
- Detects and characterizes gap junctions
- Enables selective ablation of cells after aldehyde fixation
- Used for cell imaging and staining
- Evaluates gap junction functionality
Medchemexpress LLC MAC-545496 | 838810-96-1 | 98.0% | 100 MG
MAC-545496 is a nanomolar inhibitor of glycopeptide-resistance-associated protein R (GraR), exhibiting strong binding affinity (Kd ≤ 0.1 nM). This antivirulence agent reverses β-lactam resistance in Methicillin-resistant strains (MRSA) and is intended for research use only.
- Nanomolar inhibitor of glycopeptide-resistance-associated protein R (GraR)
- Exhibits strong binding affinity to full-length GraR protein (Kd ≤ 0.1 nM)
- Reverses β-lactam resistance in MRSA strains
- Synergizes with Cefuroxime and Oxacillin against MRSA
- Inhibits mprF expression and citrate-induced biofilm formation
- Effective monotherapy for MRSA-infected Galleria mellonella larvae in vivo
Medchemexpress LLC 4-methylumbelliferyl α-D-galactopyranoside | 38597-12-5 | M65400 | 99.8% | 338.31 g/mol | C16H18O8 | 25 MG
4-Methylumbelliferyl-α-D-galactopyranoside is a pro-fluorogenic substrate for α-galactosidase that releases fluorescent 4-methylumbelliferone (4-MU) upon enzymatic cleavage, enabling sensitive fluorometric detection in biochemical and enzymatic assays. Supplied as a powder with documented solubility in DMSO and defined storage conditions for stability.
- Fluorogenic substrate for α-galactosidase assays.
- Generates fluorescent 4-methylumbelliferone on enzymatic cleavage.
- High purity (99.8%) suitable for biochemical assays.
- Soluble in DMSO (≈33.3 mg/mL) for preparation of stock solutions.
- Stable when stored as powder at -20°C for long-term storage.
![Alkali Scientific NANA [n Acetylneuraminic acid, Synthetic Sialic Acid], 25 Mg](https://assets.fishersci.com/TFS-Assets/CCG/product-images/5000660894.jpg-250.jpg)
Alkali Scientific NANA [n Acetylneuraminic acid, Synthetic Sialic Acid], 25 Mg
N-Acetylneuraminic acid (NANA), commonly known as sialic acid, is a key biochemical reagent used in various research applications. This 25mg formulation is often used in glycosylation studies, particularly in investigations of cell surface glycoproteins and glycosaminoglycans. Sialic acid plays a crucial role in cellular interactions, immunity, and pathogen recognition. It is also involved in various enzymatic processes and is used in the synthesis of glycoproteins, glycolipids, and other complex carbohydrates. NANA is widely used in structural biology, enzymology, and biochemical research, helping researchers explore the roles of sialic acid in cellular processes and disease mechanisms.
Medchemexpress LLC D-KLVFFA | 342877-55-8 | 99.3% | 723.90 | 25 MG
D-KLVFFA is an inhibitor of Amyloid-β assembly, with an IC50 of 2.6 μM, that can be used in Alzheimer's disease studies.
- Inhibitor of Amyloid-β assembly
- IC50 of 2.6 μM
- Used in Alzheimer's disease studies
- Molecular formula: C38H57N7O7
- Molecular weight: 723.90
- Sequence: D-Lys-D-Leu-D-Val-D-Phe-D-Phe-D-Ala
- Appearance: White to off-white solid
Apexbio Technology LLC CY7-TRIETHYLAMMONIUM-SALT-1MG
Cy7 triethylammonium salt is a fluorescent dye commonly used in biomedical research particularly in imaging and diagnostic applications Originating from cyanine-based dye technology it operates by targeting cellular and molecular components enabling visualization in complex biological systems Its fluorescence mechanism involves energy absorption and emission within the near-infrared range allowing for deep tissue penetration with minimal background interference In vitro studies often reflect its activity in the nanomolar to low micromolar range making it suitable for high-sensitivity assays Researchers typically utilize this compound in various cell models and animal studies serving as an important tool for drug screening and tracking biological processes Experimental concentrations typically depend on the specific research design ensuring optimal performance and result accuracy
Medchemexpress LLC Interferon alpha/beta receptor 1 Antibody (YA3833) | Predicted band size: 64 kDa; Observed band size: 110-130 kDa | 100 UL
The Interferon alpha/beta receptor 1 Antibody (YA3833) is a mouse-derived, non-conjugated IgG1 monoclonal antibody designed to target Interferon alpha/beta receptor 1. It is supplied in PBS with 0.05% sodium azide and is affinity purified. This product is intended for research use only, supporting studies related to type I interferon signaling pathways.
- Mouse host
- Monoclonal antibody
- Reactive with human and mouse species
- Affinity purified
- Non-conjugated
- Isotype IgG1
- Supplied as a liquid in PBS with 0.05% sodium azide
- Stable for 1 year when stored at -20°C
- Compatible with Western Blot, Immunohistochemistry-Paraffin, Flow Cytometry, and ELISA applications