Pyridines and derivatives
Medchemexpress LLC Bapta tetrapotassium | 73630-08-7 | MFCD00036255 | 99.5% | 628.79 | C22H20K4N2O10 | 100 MG
BAPTA tetrapotassium is a selective intracellular calcium chelator used to buffer Ca2+ concentrations and study calcium-dependent signaling pathways. The tetrapotassium salt is water-soluble and commonly used in cell biology, neuroscience, and biochemical assays; it can also inhibit phospholipase C independently of chelation.
- Selective chelator for calcium ions.
- High selectivity against magnesium ions.
- Water-soluble tetrapotassium salt suitable for intracellular buffering.
- Useful in cell biology, neuroscience, and biochemical assays.
- Available in small laboratory quantities for experimental use.
Medchemexpress LLC Bapta-am | 126150-97-8 | MFCD00036696 | ≥90.0% | 764.68 g·mol⁻¹ | C34H40N2O18 | 100 MG
BAPTA-AM is a membrane-permeable calcium chelator commonly used to buffer intracellular Ca2+ levels in cell-based assays and electrophysiology studies. Supplied as a powder, it is typically dissolved in DMSO to prepare concentrated stock solutions for cellular loading.
Medchemexpress LLC Arl6ip6 protein, human (HEK293, Fc) | 10 UG
ARL6IP6 is a recombinant human ARL6IP6 protein expressed in HEK293 cells and supplied as an Fc-fusion in lyophilized form for research applications. It is provided with a neutral phosphate buffer formulation, recommended reconstitution concentration, and storage guidance for short-term and long-term use.
Medchemexpress LLC Triethylammonium bicarbonate | 15715-58-9 | MFCD00466938 | 163.21 g·mol⁻¹ | C7H17NO3 | 10 ML
Triethylammonium bicarbonate buffer (1.0 M, pH 8.5) is a volatile aqueous buffer supplied as a ready-to-use solution for analytical and preparative workflows such as LC-MS and peptide/protein sample preparation. The 10 mL vial format is suitable for low-volume workflows and easy handling.
- Concentration: 1.0 M, pH 8.5
- Volatile buffer suitable for LC-MS and mass spectrometry sample cleanup
- Ready-to-use liquid format for convenient handling
- Small-volume packaging for low-volume workflows
- Stable when stored under recommended conditions
Medchemexpress LLC Triethylammonium bicarbonate | 15715-58-9 | MFCD00466938 | 98.0% | 163.21 g/mol | C7H17NO3 | 1 ML
Triethylammonium bicarbonate is supplied as a 1.0 M aqueous buffer adjusted to pH 8.5 and is used to maintain a stable near-alkaline environment for enzymatic reactions, proteomic sample preparation, and mass spectrometry workflows.
- Maintains stable pH at 8.5 for enzymatic reactions and digestions.
- Volatile buffer compatible with mass spectrometry sample preparation.
- High concentration (1.0 M) provides strong buffering capacity.
- Supplied as an aqueous solution, colorless to light yellow.
- Available in small-volume aliquots suitable for low-volume workflows.
- High listed purity (98.0%) suitable for analytical applications.
Medchemexpress LLC Zika virus NS1 protein (HEK293, His) | >95.0% | 5 UG
Recombinant Zika virus nonstructural protein 1 (NS1) expressed in HEK293 human cells with an N-terminal His tag. Supplied as a purified protein reagent for use in immunoassays, antibody production, serology controls, western blotting, and assay development. Typical purity is ≥95% and molecular weight is approximately 50 kDa, provided in a buffered solution at a reported concentration.
Medchemexpress LLC NPPB Human His 50ug
Recombinant human NPPB (B-type natriuretic peptide) with an N-terminal 6xHis tag, expressed in E. coli and supplied as a filtered solution. The construct corresponds to residues H27-H134 (≈16.0 kDa) and is provided in a stabilizing buffer at an example concentration of ~1.28 mg/mL. This reagent is intended for cardiovascular biology research, peptide signaling studies, and assay development that require purified, tagged human NPPB.
- Recombinant human sequence H27-H134 representing the mature peptide region.
- N-terminal 6xHis tag compatible with affinity purification and detection.
- Expressed in E. coli for consistent, high-yield production.
- Supplied as a 0.22 μm filtered solution for convenience and reduced contamination risk.
- Formulated in pH 7.4 buffer with 20% glycerol to enhance stability during storage.
- Provided at a concentration suitable for downstream biochemical and cell-based assays.
Mayflower Bioscience SolisFAST Probe qPCR Mix
SolisFAST Probe qPCR Mix is a 5x-concentrated, ready-to-use solution for fast, highly sensitive and reproducible probe-based qPCR assays using dual-labeled hydrolysis probes (e.g. TaqMan probes), and is suitable for detection and quantitation of up to five targets simultaneously. Combining our novel in silico- designed SolisFAST DNA Polymerase and optimized buffer, this mix offers robust qPCR, and accurate target detection combined with ice free shipping and reaction set-up.
Medchemexpress LLC Vegfr-3/Flt4 protein, human (HEK293, C-His tag) | 97.1% | 10 UG
Recombinant human VEGFR-3/FLT4 protein expressed in HEK293 cells and supplied as a purified, buffered liquid with a C-terminal His tag. Intended for biochemical and cell-based assays, receptor-ligand studies, and antibody screening. Certificate of analysis indicates high purity and defined concentration; store frozen and avoid repeated freeze-thaw cycles.
- High purity (>97%) as determined by reducing SDS-PAGE.
- Supplied at a defined concentration (1.67 mg/mL) for reproducible dosing.
- Produced in HEK293 expression system for human-like post-translational modifications.
- C-terminal His tag facilitates purification and detection.
- Stable when stored at -80°C; avoid repeated freeze-thaw cycles.
Medchemexpress LLC 1,2-bis(o-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid acetoxymethyl ester | 126150-97-8 | MFCD00036696 | >95.0% | 764.68 g/mol | C34H40N2O18 | 50 MG
BAPTA-AM is a membrane-permeable intracellular calcium chelator commonly used to buffer cytosolic Ca2+ in cell-based assays. It crosses cell membranes as an acetoxymethyl ester and is converted intracellularly to the active chelating form, reducing free Ca2+ concentration. The compound has reported inhibitory activity against hERG and other voltage-gated potassium channels in the low micromolar range and is supplied for research use with recommended low-temperature storage for stability.
- Membrane-permeable intracellular Ca2+ chelator.
- Converted intracellularly to an active Ca2+ chelator.
- Buffers cytosolic calcium in cell-based assays.
- Exhibits micromolar inhibition of certain K+ channels.
- Supplied as a powder with recommended low-temperature storage.
Medchemexpress LLC NPPB Human His so 10ug
Recombinant human NPPB (B-type natriuretic peptide) is supplied as an N-terminal 6xHis-tagged solution expressed in E. coli and formulated for stability and immediate use in cardiovascular and signaling research. The preparation is highly pure, low in endotoxin, and provided at a defined concentration in a buffered glycerol-containing formulation for reliable handling and storage.
- High purity (>98%) as determined by reducing SDS-PAGE.
- Low endotoxin level (<1 EU/μg) suitable for sensitive applications.
- Ready-to-use, 0.22 μm filtered solution in physiological buffer.
- N-terminal His tag enables detection or affinity capture.
- Stable frozen formulation; aliquot and avoid repeated freeze-thaw cycles.
Apexbio Technology LLC BAPTA 85233-19-8 500mg
BAPTA (CAS 85233-19-8) is a cell-permeant calcium chelator widely employed in biomedical research to modulate intracellular Ca concentrations By selectively binding cytosolic calcium ions BAPTA effectively buffers rapid changes in Ca levels thereby influencing calcium-dependent signaling pathways and cellular metabolic processes Its application is particularly valuable in neurobiology and cell physiology studies investigating the regulatory roles of intracellular calcium in neuronal activity signal transduction and other calcium-mediated cellular functions
Apexbio Technology LLC BAPTA 85233-19-8 100mg
BAPTA (CAS 85233-19-8) is a cell-permeant calcium chelator widely employed in biomedical research to modulate intracellular Ca concentrations By selectively binding cytosolic calcium ions BAPTA effectively buffers rapid changes in Ca levels thereby influencing calcium-dependent signaling pathways and cellular metabolic processes Its application is particularly valuable in neurobiology and cell physiology studies investigating the regulatory roles of intracellular calcium in neuronal activity signal transduction and other calcium-mediated cellular functions
Medchemexpress LLC Hydroxymethylbilane synthase (HMBS) protein | >95.0% | 10UG
Recombinant human hydroxymethylbilane synthase (HMBS), provided as a sterile, 0.22 μm filtered solution expressed in mammalian cells. The material is formulated with stabilizers and cryoprotectants to preserve activity and support biochemical assays, antibody validation, and enzymatic studies; it is supplied at high purity and concentration for reliable analytical use.
- Human sequence expressed in HEK293 cells.
- Includes C-terminal His tag for detection and purification.
- Purity greater than 95.0% by reducing SDS-PAGE.
- Supplied as a filtered solution in buffered formulation with cryoprotectants.
- Concentration provided at 1.44 mg/mL for flexible use and dilution.
- Available in small sizes suitable for analytical and control applications.
- Stable when stored at -80°C; avoid repeated freeze-thaw.
Medchemexpress LLC GRO-alpha/CXCL1 Rat 10ug
Recombinant rat GRO-alpha (CXCL1) is a 72-amino-acid chemokine produced in E. coli and supplied as a lyophilized powder for research applications. It mediates neutrophil recruitment and angiogenesis and is provided in small research-scale vials, formulated in phosphate buffer with physiological salt, and characterized by high purity for reliable in vitro use.
- Recombinant mature rat CXCL1, 72 amino acids long.
- Expressed in E. coli and supplied lyophilized for stability.
- Formulated in phosphate buffer with physiological salt concentration.
- Purity greater than 95% as determined by reducing SDS-PAGE.
- Predicted mass ~7.9 kDa; apparent ~10 kDa by SDS-PAGE.
- Suitable for biochemical assays, receptor binding, and in vitro functional studies.