Benzenesulfonic acids and derivatives
4-Sulfophthalic Acid (contains 3-Sulfophthalic Acid) (ca. 50% in Water), TCI America™
CAS: 89-08-7 Molecular Formula: C8H6O7S Molecular Weight (g/mol): 246.189 MDL Number: MFCD00007494 InChI Key: WNKQDGLSQUASME-UHFFFAOYSA-N Synonym: 1,2-benzenedicarboxylic acid, 4-sulfo,phthalic acid, 4-sulfo,4-sulphophthalic acid,unii-t1sm5dom66,4-sulfobenzene-1,2-dicarboxylic acid,t1sm5dom66,4-sulfophthalic acid aq. soln.,5-sulfophthalic acid,acmc-209uex,1, 4-sulfo PubChem CID: 6962 IUPAC Name: 4-sulfophthalic acid SMILES: C1=CC(=C(C=C1S(=O)(=O)O)C(=O)O)C(=O)O
Medchemexpress LLC Calcium disodium edetate hydrate | 23411-34-9 | MFCD00149453 | 98.0% | 392.28 g·mol⁻¹ | C10H14CaN2Na2O9 | 5 G
Calcium disodium edetate hydrate is a chelating agent used in life-science research to sequester divalent metal ions in biochemical assays, buffer formulations, and sample preparation. It is supplied as a high-purity white to off-white solid suitable for laboratory weighing and formulation.
- High purity (98.0%) suitable for research applications.
- Effective chelation of divalent metal ions for assay and buffer stability.
- Available in small-scale packs convenient for laboratory use.
- Solid form is easy to weigh and handle for solution preparation.
- Commonly used as a reagent in analytical and preparative workflows.
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 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 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.
Crescent Chemical Co Inc SULFOSALICYLIC ACID
Sulfosalicylic acid analytical grade Size - 100G Storage Conditions - +15 °C TO +30 °C Catalog Number - 35706.01 CAS 5965-83-3
Research Products International Corp 2-Ketoglutaric Acid Monopotassium Salt, 100 G
CAS Number: 997-43-3
Molecular Formula: C5H5O5K
Molecular Weight: 184.19
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 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 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 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 Ethylenediaminetetraacetic acid zinc disodium tetrahydrate | 176736-49-5 | MFCD00151728 | 95.0% | 471.63 g/mol | C10H20N2Na2O12Zn | 100 G
Zn(II)-EDTA disodium tetrahydrate is the disodium tetrahydrate salt of ethylenediaminetetraacetic acid coordinated to zinc, supplied as a reagent-grade powder for use as a zinc chelator and biochemical reagent in life-science research.
- High-purity reagent (95.0%) suitable for biochemical assays.
- Zinc chelator useful for metal complexation and enzymatic studies.
- Supplied as a white to off-white powder tetrahydrate for easy weighing.
- Molecular weight 471.63 g/mol and CAS 176736-49-5 for identification.
- Available in laboratory-scale pack sizes, including 100 G.
- Stable when stored as powder at -20°C (3 years) or 4°C (2 years).
Medchemexpress LLC Propionylcholine (p-toluenesulfonate) | 1866-13-3 | MFCD00059975 | 99.6% | 331.43 | C15H25NO5S | 50 MG
Propionylcholine (p-toluenesulfonate) is the p-toluenesulfonate salt of N,N,N-trimethyl-2-(propionyloxy)ethanaminium, a quaternary choline ester used as a biochemical reagent to probe cholinergic signaling and esterase activity in laboratory research. It is provided in small-mass packages for analytical and biological assays and is accompanied by a certificate of analysis and safety documentation.
- High purity (99.6%) suitable for research assays.
- Molecular weight 331.43 g/mol.
- Chemical formula C15H25NO5S.
- CAS number 1866-13-3 for unambiguous identification.
- Available in small package sizes for convenient handling.
- Supplied with COA, datasheet, and SDS documentation.
- Stable when stored dry; in solvent: -80 °C (2 years) or -20 °C (1 year).
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)