Quaternary ammonium salts
Apexbio Technology LLC Epinephrine Bitartrate 51-42-3 10mM (in 1mL DMSO)
Epinephrine bitartrate the bitartrate salt form of endogenous epinephrine is a catecholamine neurotransmitter capable of simultaneously activating - and -adrenergic receptors Through receptor-mediated interactions epinephrine bitartrate modulates diverse physiological processes including vascular tone regulation bronchodilation cardiac function modulation and central nervous system stress responses This compound serves as an important pharmacological tool for in vitro and in vivo research studies investigating adrenergic receptor signaling pathways cardiovascular physiology respiratory system dynamics autonomic nervous system functions and related physiological or pathological conditions
![eMolecules Medchem Express / IEM-1754 / 5mg / 785215094 / HY-100547 / / 162831-31-4 / [null] / 412.254 / C16H32Br2N2](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502455585.PNG-250.jpg)
eMolecules Medchem Express / IEM-1754 / 5mg / 785215094 / HY-100547 / / 162831-31-4 / [null] / 412.254 / C16H32Br2N2
Medchem Express / IEM-1754 / 5mg / 785215094 / HY-100547 / / 162831-31-4 / [null] / 412.254 / C16H32Br2N2
Pfaltz & Bauer S-Acetylthiocholine iodide, 98 1G | 1866-15-5
S-Acetylthiocholine iodide, 98 1G | 1866-15-5
Apexbio Technology LLC Decamethonium Bromide 541-22-0 10mM (in 1mL DMSO)
Decamethonium Bromide (CAS 541-22-0) is a bis-quaternary ammonium compound targeting nicotinic acetylcholine receptors (nAChRs) at the neuromuscular junction It is designed to bind and activate muscle-type nAChRs thereby inducing sustained depolarization and neuromuscular blockade Decamethonium Bromide exerts its biological activity primarily through partial agonist-mediated depolarization block of these receptors preventing normal muscle contractions Based on these pharmacological properties Decamethonium Bromide holds research potential in the evaluation of neuromuscular blockers and in studies elucidating receptor-channel function in neuromuscular transmission
eMolecules Tetraethylammonium chloride monohydrate | 68696-18-4 | MFCD00149992 | 25g
Combi-Blocks | Tetraethylammonium chloride monohydrate | 25g | 342876254 | QF-1522 | 96.000 | 68696-18-4 | MFCD00149992 | 183.720 | C8H22ClNO
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Medchemexpress LLC Tetrabutylammonium p 100mg
Tetrabutylammonium perrhenate is a quaternary ammonium salt belonging to the class of alkylammonium salts This compound is used as a catalyst in organic synthesis especially in the production of alkenes and alcohols Furthermore due to its ability to bind radioisotopes it is useful as a radiopharmaceutical in nuclear medicine Its unique chemical properties make it an essential ingredient in a variety of industrial processes including petrochemical refining and pharmaceuticals
Medchemexpress LLC Tetraamylammonium chloride | 4965-17-7 | MFCD00011857 | 99.9% | 334.02 g·mol⁻¹ | C20H44ClN | 250 MG
Tetraamylammonium chloride is a quaternary ammonium salt used primarily as a phase transfer catalyst and as an intermediate in organic synthesis. It is supplied as a high-purity solid suitable for research and synthetic applications where transfer of ionic species between immiscible phases is required.
- High purity (99.9%).
- Solid form for ease of handling and storage.
- Used as a phase transfer catalyst in organic synthesis.
- Serves as an intermediate for synthesis of quaternary ammonium compounds.
- Storage: keep dry and cool; in solvent, store at -80°C up to 2 years or -20°C up to 1 year.
Apexbio Technology LLC Hexamethonium Bromide 55-97-0 5g
Hexamethonium Bromide (CAS 55-97-0) is a bis-quaternary ammonium compound that acts as a selective antagonist of neuronal nicotinic acetylcholine receptors (nAChRs) located in autonomic ganglia By competitively inhibiting synaptic transmission at these receptors Hexamethonium Bromide effectively blocks ganglionic neurotransmission without significant effects on muscarinic receptors or neuromuscular junctions This property makes it a valuable tool in pharmacological studies investigating autonomic nervous system function and the physiological roles of ganglionic nAChRs in various experimental models
Cambridge Isotope Laboratories Tetramethylammonium deuteroxide 5D2O (D13 98%) 1 g
Tetramethylammonium deuteroxide 5D2O (D13 98%) 1 g
Medchemexpress LLC Tetraethylammonium perchlorate | 2567-83-1 | MFCD00041977 | ≥98.0% | 229.70 g/mol | C8H20ClNO4 | 1 G
Tetraethylammonium perchlorate is a quaternary ammonium salt used as an electrolyte and analytical reagent. It provides the tetraethylammonium cation paired with the perchlorate anion, offering high ionic conductivity and good stability for research and analytical workflows. Common applications include electrochemical studies, battery and fuel cell research, and use as reference standards in chromatography.
- High purity (≥98.0%) suitable for analytical and research use.
- Provides a stable, highly conductive electrolyte for electrochemical studies.
- Compatible with preparation of stock solutions for ion chromatography and other analyses.
- Available in small pack sizes convenient for laboratory experiments.
- Molecular weight 229.70 g/mol and formula C8H20ClNO4 for accurate stoichiometry.
Medchemexpress LLC Cholic acid | 81-25-4 | MFCD00003672 | 99.6% | 408.57 g/mol | C24H40O5 | 10 MG
Cholic acid is an analytical reference standard of the primary bile acid cholic acid, supplied as a small-quantity solid for laboratory research, analytical method development, and chromatography calibration. Supplied as a 10 mg standard, the material is intended for research use only; verify the certificate of analysis for lot-specific purity and storage instructions.
- Analytical reference standard for cholic acid.
- CAS number 81-25-4.
- Typical purity approximately 99.6% (verify COA).
- Solid powder supplied in a small vial appropriate for analytical use.
- Intended for research and analytical applications; not for therapeutic use.