Benzenesulfonic acids and derivatives
Sigma Aldrich Ethyl p-toluenesulfonate
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich p-Toluenesulfonic anhydride
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich (3-amino-4-methylphenyl)boronic acid hydrochloride
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Sigma Aldrich 2-methylpyridine-4-boronic acid pinacol ester
MilliporeSigma Sigma Organics products encompass a wide range of quality reagents, solvents, catalysts, and building blocks for organic synthesis. From benchtop discovery to process development and scale-up, Sigma Organics solutions are built to meet the needs of synthetic chemists.
Matrix Scientific p-Toluenesulfonic anhydride, 4124-41-8, MFCD00008548, 25g
Molecular Formula C14H14O5S2, Purity 95+%, Molecular Weight 326.39, Melting Point 121-130°
Research Products International Corp 2-Ketoglutaric Acid Monopotassium Salt, 100 G
CAS Number: 997-43-3
Molecular Formula: C5H5O5K
Molecular Weight: 184.19
Medchemexpress LLC Disodium terephthalate | 10028-70-3 | MFCD00013137 | 99.9% | 210.09 g/mol | C8H4Na2O4 | 25 G
Disodium terephthalate (terephthalic acid disodium salt) is a white to off-white solid used as a biochemical reagent and as a precursor in polyester (PET) synthesis. It is supplied for research use only.
- High purity: 99.93%.
- White to off-white solid appearance.
- Molecular formula C8H4Na2O4; molecular weight 210.09 g/mol.
- Suitable for biochemical assays and polymer precursor applications.
- Storage: store at room temperature, keep dry and cool; in solvent store at -80°C (2 years) or -20°C (1 year).
- Available in multiple pack sizes including 25 G.
Medchemexpress LLC α-ketoglutaric acid (disodium hydrate) | 305-72-6 | MFCD00043347 | 95.0% | 208.08 | C5H6Na2O6 | 1 G
α-Ketoglutaric acid (disodium hydrate) is the disodium salt hydrate form of alpha-ketoglutarate, a central metabolite in the tricarboxylic acid (TCA) cycle. Supplied as a white to off-white solid, this reagent is intended for biochemical assays, metabolic studies, and general laboratory research.
- White to off-white solid appearance.
- Purity 95.0% (NMR).
- Molecular formula C5H6Na2O6; molecular weight 208.08.
- Suitable for biochemical assays and metabolic and enzymatic studies.
- Storage: 4°C under nitrogen, protected from moisture; in solvent store at -80°C (6 months) or -20°C (1 month).
- Available in small lab pack sizes for research use.
Medchemexpress LLC QL-X-138 | 1469988-63-3 | 99.8% | 421.45 | C25H19N5O2 | 1MG
QL-X-138 is a small-molecule BTK/MNK dual kinase inhibitor that covalently binds to BTK and non-covalently to MNK. It is provided as a high-purity solid for laboratory research and has been characterized in preclinical studies for activity against hematologic malignancies and dengue virus.
- Dual inhibition of Bruton tyrosine kinase (BTK) and MAPK-interacting kinase (MNK).
- Covalent binding to BTK and non-covalent binding to MNK.
- High-purity solid form suitable for laboratory research.
- Molecular formula C25H19N5O2 and molecular weight 421.45.
- Demonstrated preclinical activity in models of lymphoma, leukemia, and dengue virus.
- For research use only; not for human or clinical use.
Medchemexpress LLC A-ketoglutaric acid (disodium hydrate) | MFCD00150702 | 95.0% | 208.08 g/mol | C5H6Na2O6 | 500 MG
Alpha-ketoglutaric acid disodium hydrate is the disodium salt hydrate of alpha-ketoglutaric acid supplied as a white to off-white solid for laboratory research use. It serves as a metabolic intermediate and reagent for biochemical assays, enzymology, and method development. Documentation such as COA and SDS is available for quality and handling information.
- Purity 95.0%.
- Molecular formula C5H6Na2O6 and molecular weight 208.08 g/mol.
- White to off-white solid appearance.
- High water solubility: ~175 mg/mL (ultrasonication assisted).
- Typical pack size 500 mg; larger sizes available on request.
- Storage: long-term at 4°C under nitrogen; stock solutions at -80°C (6 months) or -20°C (1 month).
Medchemexpress LLC DNDS (disodium) | 3709-43-1 | 99.4% | 5 G
DNDS (disodium) is a chemical substance primarily used as an erythrocyte sedimentation inhibitor in laboratory applications and for the manufacture of other substances. This compound has a molecular weight of 474.33, a chemical formula of C14H8N2Na2O10S2, and appears as a light yellow to yellow solid. It is soluble in water at 83.33 mg/mL (175.68 mM) and is stable under recommended storage conditions.
- Potent erythrocyte sedimentation inhibitor
- Purity of 99.4%
- CAS number: 3709-43-1
- Molecular weight: 474.33
- Chemical formula: C14H8N2Na2O10S2
- Solid appearance, light yellow to yellow color
- Boiling point of 552 °C at 760 mmHg
- Stable under recommended storage conditions
- Storage at 4°C, sealed, away from moisture and light
- In solvent storage at -80°C for 6 months or -20°C for 1 month
- Soluble in H2O at 83.33 mg/mL (175.68 mM)
Medchemexpress LLC 5-Sulfosalicylic acid dihydrate | 5965-83-3 | >99.88% | 1000 G
5-Sulfosalicylic acid dihydrate is a sulfonated salicylic acid derivative effective against the breast cancer cell line MCF-7 with less toxicity. It also exhibits antioxidant activities and is supplied as a white to off-white solid.
- Effective against breast cancer cell line MCF-7
- Exhibits antioxidant activities
- Supplied as a white to off-white solid
- Molecular weight: 254.21
- For research use only
Medchemexpress LLC Propionylcholine (p-toluenesulfonate) | 1866-13-3 | MFCD00059975 | 99.6% | 331.43 g/mol | C15H25NO5S | 100 MG
Propionylcholine (p-toluenesulfonate) is the p-toluenesulfonate salt of propionylcholine, a choline ester used as a biochemical reagent in life-science research. It is supplied as a white to off-white solid with high purity and is suitable for choline-related assays, receptor binding studies, and enzymatic investigations. The compound has molecular formula C15H25NO5S and CAS number 1866-13-3.
- High purity suitable for analytical and biochemical applications.
- White to off-white solid, easy to handle and weigh.
- Stable under recommended storage conditions.
- Suitable for choline-related assays and enzymatic studies.
- Available in small laboratory quantities for research use.
Medchemexpress LLC Disodium monofluorophosphate | 10163-15-2 | 98.3% | 5 G
Disodium monofluorophosphate is a biochemical reagent suitable for life science research applications, including use as a biological material or organic compound. It is also utilized as a laboratory chemical and in the manufacturing of various substances.
- Appearance: white to off-white solid
- Molecular weight: 143.95
- Formula: FNa2O3P
- CAS number: 10163-15-2
- Stable under recommended storage conditions
- Store at 4°C, sealed, away from moisture
- In solvent, store at -80°C for 6 months or -20°C for 1 month
- Purity of 98.3%
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.
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