Quaternary ammonium salts
Medchemexpress LLC Ethanaminium, 2-hydroxy-N,N,N-trimethyl-, chloride (1:1)-13C3 | 67-48-1 | 99.7% | 5 MG
Choline Chloride-13C3 is the 13C-labeled Choline (chloride). It is an organic compound and a quaternary ammonium salt, an acyl group acceptor and choline acetyltransferase substrate. It is also an important additive in feed, especially for chickens, where it accelerates growth. For research use only.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Alkali Scientific p Nitrophenyl Phosphoryl Choline, 5 Grams
p-Nitrophenyl Phosphoryl Choline is a biochemical reagent used to measure the activity of phospholipases, enzymes involved in the hydrolysis of phospholipids. This 5g pack is designed for research applications where accurate quantification of phospholipase activity is required. The substrate releases p-nitrophenol upon hydrolysis, resulting in a color change that can be easily detected. This reagent is commonly used in studies of cell signaling, membrane biology, and enzyme function. It is particularly valuable in the pharmaceutical industry for testing enzyme activity related to drug interactions, and it plays a critical role in lipid metabolism research.
Alkali Scientific Choline Chloride, 2.5 Kg
Choline Chloride is a quaternary ammonium compound widely used in biochemical, nutritional, and laboratory research applications. It functions as an essential nutrient precursor for the biosynthesis of phosphatidylcholine and acetylcholine, molecules that play important roles in cell membrane structure and neurotransmission. In laboratory settings, choline chloride is often included in culture media and biochemical formulations to support cellular metabolism and growth. Researchers also use it in nutritional and metabolic studies to examine lipid metabolism, methyl group transfer pathways, and cellular signaling processes. Its high solubility and stability make it suitable for experimental protocols in life science laboratories, including biochemical assays and metabolic research.
Medchemexpress LLC Choline bitartrate | 87-67-2 | MFCD00036332 | 98.0% | 253.25 g/mol | C9H19NO7 | 1 ML
Choline bitartrate is a research-grade methyl donor and precursor to the neurotransmitter acetylcholine, supplied as a ready-to-use 10 mM solution (1 mL) in DMSO. It is used in biochemical and cellular studies involving lipid metabolism, one-carbon/methylation pathways, and neurotransmission. CAS 87-67-2; typical purity 98.0%.
- Prepared 10 mM solution for convenient dosing and reduced prep time.
- High purity for reproducible experimental results.
- Supplied in DMSO for compatibility with common assay systems.
- Useful as a methyl donor in metabolic and epigenetic studies.
- Acts as a precursor to acetylcholine for neurotransmission research.