Benzenesulfonic acids and derivatives
Medchemexpress LLC Propionylcholine p-toluenesulfonate | 1866-13-3 | MFCD00059975 | 99.6% | 331.43 g/mol | C15H25NO5S | 250 MG
Propionylcholine p-toluenesulfonate is a quaternary ammonium choline ester supplied as the p-toluenesulfonate salt for use in biochemical and neuroscience research. It is used to probe cholinergic signaling and esterase activity, and is provided with manufacturer analytical documentation for laboratory applications.
- Quaternary choline ester for cholinergic studies.
- Supplied as the p-toluenesulfonate salt for handling stability.
- High purity suitable for analytical and research assays.
- Available in small laboratory pack sizes for convenience.
- Documentation includes COA and SDS for traceability.
Cayman Chemical 2 4-Dinitrobenzenesulfonic Ac
A hapten; induces the proliferation of primary lymphocytes and epithelial cells isolated from 2,4-DNCB-sensitized guinea pigs at 25, 50, or 100 ppm; inhibits 2,4-DNCB-induced contact sensitivity in 2,4-DNCB-sensitized guinea pigs at 600 mg/kg; has been used to induce ulcerative colitis in rats
Sigma Aldrich Fine Chemicals Biosciences alpha Ketoglutaric acid so1KG
alpha Ketoglutaric acid so1KG
eMolecules 3-Sulfobenzoic acid monosodium salt | 17625-03-5 | MFCD00066378 | 25g
Combi-Blocks, Inc. | 3-Sulfobenzoic acid monosodium salt | 25g | 603138216 | QF-2754 | 95.000 | 17625-03-5 | MFCD00066378 | 224.160 | C7H5NaO5S
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Cayman Chemical 2 4-Dinitrobenzenesulfonic Ac
A hapten; induces the proliferation of primary lymphocytes and epithelial cells isolated from 2,4-DNCB-sensitized guinea pigs at 25, 50, or 100 ppm; inhibits 2,4-DNCB-induced contact sensitivity in 2,4-DNCB-sensitized guinea pigs at 600 mg/kg; has been used to induce ulcerative colitis in rats
Cambridge Isotope Laboratories Alpha-Ketoglutaric acid disodium salt (1 2 3 4-13C4 99%) 0 1 mg
Alpha-Ketoglutaric acid disodium salt (1 2 3 4-13C4 99%) 0 1 mg
![eMolecules AstaTech / P-TOLUENESULFONIC ACID / 1g / 718056401 / AT27303 / 97.000 / 104-15-4 / [null] / 172.200 / C7H8O3S](https://assets.fishersci.com/TFS-Assets/CCG/product-images/502465280.JPG-250.jpg)
eMolecules AstaTech / P-TOLUENESULFONIC ACID / 1g / 718056401 / AT27303 / 97.000 / 104-15-4 / [null] / 172.200 / C7H8O3S
AstaTech / P-TOLUENESULFONIC ACID / 1g / 718056401 / AT27303 / 97.000 / 104-15-4 / [null] / 172.200 / C7H8O3S
Medchemexpress LLC P-toluenesulfonic acid-d7 monohydrate | 1219795-22-8 | 99.8% | 197.26 g/mol | C7H3D7O4S | 25 MG
p-Toluenesulfonic acid-d7 monohydrate is the deuterium-labeled monohydrate of p-toluenesulfonic acid. It functions as a strong organic acid and is used both as an acid catalyst in synthetic chemistry and as an internal standard or tracer for quantitative NMR, GC-MS, and LC-MS analyses.
- Deuterium-labeled for use as an internal standard or tracer in NMR and mass spectrometry.
- High isotopic purity (99.76%) for accurate quantitative analysis.
- Solid form, easy to weigh and handle for small-scale analytical applications.
- Suitable as an acid catalyst in organic synthesis.
- Available in multiple small package sizes for analytical workflows.