Quaternary ammonium salts
Medchemexpress LLC Hexamethonium Bromide | 55-97-0 | 99.9% | 100 G
Hexamethonium Bromide is a non-selective ganglionic nicotinic-receptor antagonist (nAChR) that exhibits mixed competitive and noncompetitive activity. Known for its anti-hypertensive properties, it can effectively attenuate sympathetic activity and blood pressure in spontaneously hypertensive animal models. This product is presented as a high-purity, white to off-white solid.
- Non-selective ganglionic nAChR antagonist
- Demonstrates mixed competitive and noncompetitive activity
- Attenuates sympathetic activity and blood pressure
- Suitable for research in neurological, cardiovascular, and immune system diseases
- Available as a white to off-white solid with 99.9% purity
Medchemexpress LLC L-Carnitine hydrochloride | 6645-46-1 | 99.88% | 50 MG
L-Carnitine hydrochloride is a highly polar, small zwitterion that acts as an essential co-factor for the mitochondrial β-oxidation pathway. It transports long-chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. It also functions as an antioxidant and can improve metabolic imbalances in various inborn errors of metabolism.
- Transports long-chain fatty acyl-CoAs into mitochondria
- Degrades fatty acids by β-oxidation
- Acts as an antioxidant
- Ameliorates metabolic imbalances in many inborn errors of metabolism
Medchemexpress LLC Tetrabutylammonium bromide | 1643-19-2 | ≥98.0% | 5 KG
Tetrabutylammonium bromide is an organic ammonium compound often used in catalytic reactions and separation and purification processes. It exhibits significant catalytic effects in some organic synthesis reactions and can function as a surfactant, stabilizer, and antibacterial agent. In laboratory studies, it has also been used as an ion exchanger and solvent extractant. It serves as a biochemical reagent for life science-related research.
- Can be used as a biological material
- Can be used as an organic compound for life science related research
- Used in catalytic reactions
- Used in separation and purification processes
- Functions as a surfactant
- Functions as a stabilizer
- Functions as an antibacterial agent
- Can be used as an ion exchanger
- Can be used as a solvent extractant
Medchemexpress LLC Tetrabutylammonium (bromide) | 1643-19-2 | ≥98.0% | 100 G
Tetrabutylammonium bromide is an organic ammonium compound utilized in catalytic reactions and separation/purification processes. It exhibits a significant catalytic effect in certain organic synthesis reactions and can serve as a surfactant, stabilizer, and antibacterial agent. Additionally, in laboratory studies, it has been employed as an ion exchanger and solvent extractant. It is a biochemical reagent suitable for life science-related research as a biological material or organic compound.
- Used in catalytic reactions
- Employed in separation and purification processes
- Significant catalytic effect in organic synthesis reactions
- Functions as a surfactant
- Acts as a stabilizer
- Serves as an antibacterial agent
- Used as an ion exchanger in laboratory studies
- Employed as a solvent extractant in laboratory studies
- Biochemical reagent for life science research
Medchemexpress LLC Tetraethylammonium chloride | 56-34-8 | 98% | 100 G
Tetraethylammonium chloride is a non-selective potassium channel blocker. It is also described as a good substrate for organic cation transporter (OCTN1) and possesses antitumor properties.
- Molecular weight: 165.70
- Formula: C8H20ClN
- Appearance: Solid
- Color: White to off-white
- Shipping at room temperature in continental US; may vary elsewhere.
- Storage at 4°C, sealed, away from moisture. In solvent: -80°C for 6 months, -20°C for 1 month.
- Soluble in H2O (≥ 100 mg/mL) and DMSO (100 mg/mL).
- Inhibits proliferation and increases apoptosis in glioma cells.
- Elevates Bax/Bcl-2 protein ratio and increases intracellular ROS generation in glioma cells.
- Increases contractility of colon and rectum in rats.
Medchemexpress LLC (±)-Carnitine-d9 chloride | 1219386-75-0 | 99.7% | 5 MG
The product is (±)-Carnitine-d9 chloride, a deuterium-labeled form of (±)-Carnitine chloride. This compound exists in both D and L isomers, with L-carnitine known for its vital role in fatty acid β-oxidation, as well as its antioxidant and anti-inflammatory properties. This deuterated version is particularly useful as a tracer and internal standard in various analytical techniques.
- Can be used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Deuteration has gained attention due to its potential to affect the pharmacokinetic and metabolic profiles of drugs.
Medchemexpress LLC Choline theophyllinate (Oxtriphylline) | 4499-40-5 | 99.9% | 100 MG
Choline theophyllinate (Oxtriphylline) is a choline salt of theophylline with anti-asthmatic activity. It is intended for research use only and not for sale to patients.
- Endogenous metabolite
- Human endogenous metabolite
Medchemexpress LLC Choline (chloride) | 67-48-1 | 99.2% | 100 MG
Choline chloride (Standard) is the analytical standard of Choline (chloride) intended for research and analytical applications. It is an essential nutrient that activates alpha7 nicotinic receptors, demonstrating analgesic and anti-inflammatory activity. Glycerophosphoinositol choline can affect diseases such as liver disease, atherosclerosis, and neurological disorders.
- Used as an analytical standard.
- Activates alpha7 nicotinic receptors.
- Possesses analgesic and anti-inflammatory activity.
- Can affect liver disease, atherosclerosis, and neurological disorders.
- Suitable for qualitative, quantitative, and methodological research experiments.
- Applicable in HPLC, GC, and MS.
Medchemexpress LLC Cholic acid impurity 1 | 24637-46-5 | 95.1% | 390.56 | 25 MG
Cholic acid impurity 1 is an impurity of Cholic acid. This product is intended for research use only and has not been fully validated for medical applications. It has been tested and complies with given specifications.
- Harmful if swallowed
- Causes skin irritation
- Causes serious eye irritation
- May cause respiratory irritation
Medchemexpress LLC Tetrabutylammonium tetrafluoroborate | 429-42-5 | 99.9% | 329.27 | 100 G
Tetrabutylammonium tetrafluoroborate | 429-42-5 | 99.9% | 329.27 | 100 G
Medchemexpress LLC Bethanechol (chloride) | 590-63-6 | 99.6% | 1 ML
Bethanechol chloride is a parasympathomimetic agent and a mAChR agonist, directly stimulating muscarinic acetylcholine receptors (M1, M2, M3, M4, and M5) of the parasympathetic nervous system. It is suitable for laboratory research and the manufacture of substances.
- Acts as a mAChR agonist
- Directly stimulates muscarinic acetylcholine receptors (M1, M2, M3, M4, M5)
- For research use only
- Purity of 99.6%
- Available as a 10 mM * 1 mL solution in DMSO
- Recommended storage at 4°C, sealed, away from moisture
- In solvent, recommended storage at -80°C for 6 months or -20°C for 1 month
Medchemexpress LLC L-Carnitine | 541-15-1 | 99.9% | 1 ML
L-Carnitine, also known as (R)-Carnitine or Levocarnitine, is a highly polar, small zwitterion. It serves as an essential co-factor for the mitochondrial β-oxidation pathway, facilitating the transport of long-chain fatty acyl-CoAs into the mitochondria for degradation. Beyond its role in metabolism, L-Carnitine acts as an antioxidant and can help alleviate metabolic imbalances associated with various inborn errors of metabolism. For optimal stability, store the product at -80°C for up to 1 year or at -20°C for up to 6 months.
- Essential co-factor for mitochondrial β-oxidation pathway
- Transports long-chain fatty acyl-CoAs into mitochondria
- Functions as an antioxidant
- Alleviates metabolic imbalances in various inborn errors of metabolism