Benzenesulfonic acids and derivatives
Cayman Chemical a-KetoglutarIc AcId 250g
An intermediate in the citric acid cycle; precursor of glutamine and glutamate and an antioxidant with roles in immune homeostasis, aging, protein synthesis, and bone development
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 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.
Matrix Scientific p-Toluenesulfonic anhydride, 4124-41-8, MFCD00008548, 25g
Molecular Formula C14H14O5S2, Purity 95+%, Molecular Weight 326.39, Melting Point 121-130°
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.
Sigma Aldrich Fine Chemicals Biosciences [Hydroxy(tosyloxy)iodo]benzene 96% | 27126-76-7 | MFCD00011547 | 5G
[Hydroxy(tosyloxy)iodo]benzene 96% | Purity: 96% | Mol Wt: 392.21 | 27126-76-7 | MFCD00011547 | 5G
Sigma Aldrich Fine Chemicals Biosciences alpha Ketoglutaric acid 981KG
alpha Ketoglutaric acid 981KG
Cayman Chemical a-KetoglutarIc AcId 500g
An intermediate in the citric acid cycle; precursor of glutamine and glutamate and an antioxidant with roles in immune homeostasis, aging, protein synthesis, and bone development