Benzenesulfonic acids and derivatives
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.
![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.
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 monohydrate | 6192-52-5 | MFCD00142137 | 99.8% | 190.22 g/mol | C7H10O4S | 1 ML
p-Toluenesulfonic acid monohydrate (CAS 6192-52-5) is a strong organic acid used as an acid catalyst in organic synthesis and laboratory research. It is available as a solid monohydrate and as a ready-to-use 10 mM solution in DMSO for convenient handling and dosing.
- Strong organic acid suitable for acid-catalyzed reactions.
- Ready-to-use 10 mM solution in DMSO for convenient dosing and reduced preparation time.
- High purity suitable for analytical and synthetic applications.
- Monohydrate form with defined molecular weight and chemical formula for reproducibility.
- Applicable to esterification, dehydration, and other acid-catalyzed transformations.
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.
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 I-138 | 2098211-50-6 | C26H23F3N6O | 1 ML
I-138 is an orally active, reversible inhibitor of USP1-UAF1, with an IC50 of 4.1 nM and Ki of 5.4 nM. It induces monoubiquitination of FANCD2 and PCNA in cells and eliminates USP1 autocleavage in cells. It is intended for research use only.
- Eliminates USP1 self-lysis in HAP-1 USP1 WT and knockout cells
- Induces monoubiquitination of FANCD2 and PCNA in MDA-MB-436 cells
- Dose-dependently inhibits MDA-MB-436 cell viability
- Results in USP1 inhibition and modest antitumor activity in mice bearing MDA-MB-436 tumors
- Benefits BRCA1/2 mutant tumor inhibition in vivo when combined with Niraparib
Medchemexpress LLC I-138 | 2098211-50-6 | C26H23F3N6O | 25 MG
I-138 is an orally active, reversible inhibitor of USP1-UAF1, with an IC50 of 4.1 nM and a Ki of 5.4 nM. It induces monoubiquitination of FANCD2 and PCNA in cells and eliminates USP1 autocleavage in cells. It is structurally related to ML323.
- Reversible inhibitor of USP1-UAF1
- Induces monoubiquitination of FANCD2 and PCNA in cells
- Eliminates USP1 autocleavage in cells
- Inhibits MDA-MB-436 cell viability
- Shows modest antitumor activity in mice bearing MDA-MB-436 tumors
- Can be combined with Niraparib for BRCA1/2 mutant tumor inhibition
Medchemexpress LLC I-138 | 2098211-50-6 | C26H23F3N6O | 1 MG
I-138 is an orally active, reversible inhibitor of USP1-UAF1 (IC50: 4.1 nM; Ki: 5.4 nM), structurally related to ML323 (HY-17543). I-138 induces monoubiquitination of FANCD2 and PCNA in cells and eliminates USP1 autocleavage in cells.
- Orally active and reversible inhibitor of USP1-UAF1.
- Potent inhibitory activity against USP1-UAF1 (IC50: 4.1 nM; Ki: 5.4 nM).
- Induces monoubiquitination of FANCD2 and PCNA in cells.
- Eliminates USP1 autocleavage in cells.
- Demonstrates modest antitumor activity in mice bearing MDA-MB-436 tumors.
- Shows enhanced inhibition of BRCA1/2 mutant tumors in vivo when combined with the PARP inhibitor Niraparib.
Medchemexpress LLC I-138 | 2098211-50-6 | C26H23F3N6O | 100 MG
I-138 is an orally active, reversible inhibitor of USP1-UAF1. It induces monoubiquitination of FANCD2 and PCNA in cells and eliminates USP1 autocleavage. This compound is structurally related to ML323.
- Orally active and reversible inhibitor of USP1-UAF1
- Induces monoubiquitination of FANCD2 and PCNA in cells
- Eliminates USP1 autocleavage in cells
- Shows dose-dependent inhibition of MDA-MB-436 cell viability
- Exhibits modest antitumor activity in mice bearing MDA-MB-436 tumors
- Can be combined with Niraparib for BRCA1/2 mutant tumor inhibition in vivo
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
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