Benzenesulfonic acids and derivatives
eMolecules Chem-Impex Methyl p-toluenesulfonate 5kg 703110501 36908 0 000 80-48-8 MFCD00008417 186 230 C8H10O3S
Chem-Impex Methyl p-toluenesulfonate 5kg 703110501 36908 0 000 80-48-8 MFCD00008417 186 230 C8H10O3S
Medchemexpress LLC P-toluenesulfonic acid-d7 monohydrate | 1219795-22-8 | 99.8% | 197.26 | C7H3D7O4S | 5 MG
p-Toluenesulfonic acid-d7 monohydrate is a deuterium-labeled reagent supplied as a solid for research use. It is used as an acid catalyst and isotopic standard for mechanistic studies, mass spectrometry, and synthetic chemistry where deuterium labeling is required.
- High purity (99.76%).
- Chemical formula: C7H3D7O4S.
- Molecular weight: 197.26 g·mol-1.
- Appearance: white to off-white solid.
- Available in small research quantities (e.g., 5 mg and 10 mg).
- Store at -20 °C, protected from light, under inert atmosphere.
- Useful as an isotopic tracer and internal standard in mass spectrometry.
eMolecules DL-Phosphinothricin, monoammonium salt | 77182-82-2 | | 1g
Apollo Scientific | DL-Phosphinothricin, monoammonium salt | 1g | 562428419 | BIP0679 | | 77182-82-2 | | 198.159 | C5H15N2O4P
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Apexbio Technology LLC L-732,138 148451-96-1 50mg
L-732 138 (CAS 148451-96-1) is a potent and selective antagonist of the neurokinin-1 (NK-1) receptor exhibiting an IC50 of 2 3 nM Comparative studies demonstrate its affinity for the human NK-1 receptor is approximately 200-fold higher than for the rodent NK-1 receptor and markedly greater than for human NK-2 and NK-3 receptors By inhibiting NK-1 receptor-mediated signaling L-732 138 has been shown to attenuate hyperalgesia and display anti-tumor properties in preclinical models Its receptor selectivity and biological activity make it a valuable tool for investigating NK-1 receptor function and associated pathophysiological processes
Medchemexpress LLC P-toluenesulfonic acid-d7 monohydrate | 1219795-22-8 | 99.8% | 197.26 g·mol⁻¹ | C7H3D7O4S | 100 MG
p-Toluenesulfonic acid-d7 monohydrate is a deuterium-labeled analogue of p-toluenesulfonic acid supplied as a monohydrate for research use. It provides an isotopically labeled, high-purity acid useful as an internal standard, tracer, or reagent in analytical and synthetic applications, enabling accurate quantitation and reduced background in spectroscopic and mass-spectrometric methods.
- High isotopic enrichment and purity (≈99.8%) for analytical confidence.
- Suitable as an internal standard for NMR, GC-MS, and LC-MS quantitation.
- Solid monohydrate form with good solubility in common solvents.
- Stable when stored under recommended conditions (-20°C, protect from light).
- Enables tracer studies and improved accuracy in quantitative assays.
Medchemexpress LLC P-toluenesulfonic acid-d7 monohydrate | 1219795-22-8 | 99.8% | 197.26 | C7H3D7O4S | 10 MG
p-Toluenesulfonic acid-d7 monohydrate is a deuterium-labeled analog of p-toluenesulfonic acid (monohydrate) used as a strong organic acid and catalyst in organic synthesis and analytical studies. The deuterium labeling supports mechanistic investigations and NMR tracing, and the material is supplied at high isotopic and chemical purity for research use.
- Deuterium-labeled for tracing and NMR studies.
- Monohydrate form for consistent handling and reproducibility.
- High purity (99.76%) suitable for analytical and research applications.
- Functions as a strong organic acid and catalyst in synthesis.
- Available in small pack sizes for laboratory and analytical work.
Medchemexpress LLC p-Toluenesulfonic acid monohydrate | 6192-52-5 | MFCD00142137 | 99.8% | 190.22 g·mol⁻¹ | C7H10O4S | 500 G
p-Toluenesulfonic acid monohydrate is a strong organic sulfonic acid supplied as the monohydrate salt. It is commonly used as an acid catalyst in organic synthesis and for research and analytical applications. The solid material offers high purity and is suitable for laboratory reactions, analytical standards, and catalytic transformations.
- Strong organic acid and catalyst for dehydration and esterification reactions.
- Supplied as a monohydrate solid for convenient handling and storage.
- High purity (≈99.8%) appropriate for research and analytical use.
- Suitable for use as an analytical standard and reagent in synthesis.
- Compatible with common polar organic solvents; readily soluble.
- Available in multiple pack sizes to support small- and large-scale work.