Benzenesulfonic acids and derivatives
Medchemexpress LLC p-toluenesulfonic acid-d7 monohydrate | 1219795-22-8 | 99.8% | 197.26 g/mol | C7H3D7O4S | 50 MG
p-Toluenesulfonic acid-d7 monohydrate is the deuterium-labeled monohydrate form of p-toluenesulfonic acid supplied for research use. It acts as a strong organic acid and catalyst in organic synthesis and is used as an isotopically labeled reagent or analytical standard for mass spectrometry and mechanistic studies.
- Deuterium-labeled for isotopic tracing and analytical applications.
- High chemical purity (99.76%).
- Solid monohydrate form for convenient handling and storage.
- Suitable as a strong acid catalyst in organic synthesis.
- Available in small analytical pack sizes for research workflows.
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-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.
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.
Medchemexpress LLC 2-Ketoglutaric acid-13C5 | 161096-83-9 | 99.1% | 151.06 | 5 MG
2-Ketoglutaric acid-13C5 is a 13C labeled variant of 2-Ketoglutaric acid, a compound integral to metabolic processes. It participates as an intermediate in the production of ATP or GTP during the Krebs cycle and is a crucial carbon skeleton for nitrogen-assimilatory reactions. Additionally, this compound has been identified as a reversible inhibitor of tyrosinase.
- Can be utilized as a tracer in various research applications.
- Functions as an internal standard for precise quantitative analysis.
- It is a stable isotope-labeled compound for specific studies.
- Essential for key metabolic pathways, including the Krebs cycle.
- Plays a vital role as a carbon skeleton in nitrogen-assimilatory reactions.
- Demonstrates reversible inhibition of tyrosinase enzyme activity.
- Boasts a high purity of 99.1%.
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 2-Ketoglutaric acid-13C | 108395-15-9 | 97.9% | 147.09 | 500 UG
2-Ketoglutaric acid-13C is a 13C labeled 2-Ketoglutaric acid. It is an intermediate in the production of ATP or GTP in the Krebs cycle and serves as the primary carbon skeleton for nitrogen-assimilatory reactions. This compound can be utilized as a tracer or as an internal standard for quantitative analysis. Stable heavy isotopes have been incorporated into drug molecules as tracers for quantitation during drug development.
- 13C labeled compound
- Intermediate in ATP or GTP production in Krebs cycle
- Primary carbon skeleton for nitrogen-assimilatory reactions
- Reversible inhibitor of tyrosinase (IC50 of 15 mM)
- Can be used as a tracer
- Can be used as an internal standard for quantitative analysis (NMR, GC-MS, LC-MS)
Medchemexpress LLC 2-Ketoglutaric acid-13C5 | 161096-83-9 | 99.1% | 151.06 | 1 MG
2-Ketoglutaric acid-13C5 is a 13C labeled version of 2-Ketoglutaric acid, an intermediate in the Krebs cycle. It is also involved in nitrogen-assimilatory reactions and acts as a reversible inhibitor of tyrosinase.
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC 2-Ketoglutaric acid-13C5 | 161096-83-9 | 99.1% | 151.06 | 10 MG
2-Ketoglutaric acid-13C5 is a 13C labeled 2-Ketoglutaric acid that functions as an intermediate in the Krebs cycle for ATP or GTP production and as a major carbon skeleton for nitrogen-assimilatory reactions. It is also a reversible inhibitor of tyrosinase (IC50=15 mM).
- Used as a tracer
- Used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS
Medchemexpress LLC 2-Ketoglutaric acid-d6 | 1173021-86-7 | 98.6% | 152.14 | 10 MG
2-Ketoglutaric acid-d6 is the deuterium labeled variant of 2-Ketoglutaric acid. It is an intermediate in the Krebs cycle for ATP or GTP production and serves as the primary carbon skeleton for nitrogen-assimilatory reactions. This compound also acts as a reversible inhibitor of tyrosinase (IC50=15 mM).
- Used as a tracer.
- Can be used as an internal standard for quantitative analysis by NMR, GC-MS, or LC-MS.
- Stable heavy isotopes are incorporated for potential impact on pharmacokinetic and metabolic profiles of drugs.