Tosyl compounds
Medchemexpress LLC N-alpha-tosyl-L-lysine chloromethyl ketone hydrochloride | 4272-74-6 | MFCD00065395 | 99.0% | 369.31 g/mol | C14H21ClN2O3S·HCl | 5 MG
N-alpha-tosyl-L-lysine chloromethyl ketone hydrochloride (TLCK) is an irreversible inhibitor of trypsin and trypsin-like serine proteases. It is used in biochemical and cell biology research to suppress trypsin-like proteolytic activity, probe protease-dependent signaling, and support studies of apoptosis and related pathways.
- Irreversible inhibitor of trypsin-like serine proteases.
- High purity suitable for biochemical assays and analytical work.
- Solid, white to off-white form for convenient storage and handling.
- Commonly used in protease inhibition assays and signal-transduction studies.
- Reported to sensitize HeLa cells to Fas-mediated cell death, useful in apoptosis research.
Medchemexpress LLC Dimethyl sulfone | 67-71-0 | MFCD00007566 | 99.6% | 94.1 g/mol | C2H6O2S | 100g
Dimethyl sulfone (Methyl Sulfonyl Methane) is a metabolic product of endogenous methanethiol metabolism and intestinal bacterial metabolism Dimethyl sulfone inhibits choriocapillary endothelial (CCE) cell proliferation also has many biological effects including antiinflammatory antioxidant and local anesthetic effects that could be neuroprotective[1][2][3]
Medchemexpress LLC Tri-p-tolyl phosphate-d21 | 2469244-63-9 | MFCD00041908 | >98.0% | 389.49 g/mol | C21D21O4P | 2.5 MG
Tri-p-tolyl phosphate-d21 is the deuterium-labeled form of tri-p-tolyl phosphate supplied for research use as a tracer and internal standard in quantitative NMR, GC-MS, and LC-MS analyses. It is provided in small, pre-weighed quantities and should be stored according to the Certificate of Analysis; not for clinical or diagnostic use.
- Deuterium-labeled internal standard for quantitative analysis
- Suitable for NMR, GC-MS, and LC-MS applications
- Molecular formula C21D21O4P; molecular weight 389.49 g/mol
- Available in pre-weighed quantities (e.g., 1 mg, 2.5 mg)
- Store and handle per Certificate of Analysis; room temperature shipping may apply
Medchemexpress LLC (-)-1,4-di-O-tosyl-2,3-O-isopropylidene-L-threitol | 37002-45-2 | MFCD00003212 | >98.0% | 470.56 g/mol | C21H26O8S2 | 10 G
(-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol is a tosylated, protected threitol derivative used as an intermediate and reagent in glycochemistry and carbohydrate synthesis. It is supplied as a solid for laboratory research and synthetic applications.
- Tosylated protected threitol enabling selective substitution of hydroxyl groups.
- Useful intermediate for glycochemistry and carbohydrate modification.
- Available in multiple package sizes for bench-scale synthesis.
- Reported purity >98.0% by HPLC in supplier documentation.
- Provided as a crystalline solid suitable for storage and handling in standard laboratory conditions.
Medchemexpress LLC (-)-1,4-di-O-tosyl-2,3-O-isopropylidene-L-threitol | 37002-45-2 | MFCD00003212 | >97.0% | 470.56 | C21H26O8S2 | 500 MG
(-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol is a tosylated, isopropylidene-protected derivative of L-threitol used as an intermediate in carbohydrate synthesis and glycochemistry research. It functions as a protected diol for selective transformations and is suitable for synthetic routes involving protecting-group manipulations and derivatization of sugars.
- Tosylated and isopropylidene-protected structure enables selective reactions.
- Useful as an intermediate in carbohydrate and glycochemistry syntheses.
- Suitable for protecting-group manipulations and subsequent functionalization.
- Offered in multiple laboratory-scale sizes for synthetic flexibility.
- Documentation and product information available from the supplier.
Medchemexpress LLC (-)-1,4-di-O-tosyl-2,3-O-isopropylidene-L-threitol | 37002-45-2 | MFCD00003212, MFCD00063235 | 470.56 g·mol⁻¹ | C21H26O8S2 | 250 MG
(-)-1,4-Di-O-tosyl-2,3-O-isopropylidene-L-threitol is a tosylated threitol derivative used as a protected intermediate in glycochemistry and carbohydrate synthesis. It is employed as a synthetic building block for preparing substituted sugars and glycomimetics and requires protection from light and moisture during storage.
- Used as a protected intermediate in glycochemistry and carbohydrate synthesis.
- Applicable for preparation of substituted sugars and glycomimetics.
- Molecular formula C21H26O8S2 and molecular weight 470.56 g·mol⁻¹.
- Solid, white to off-white physical form.
- Store protected from light and under inert atmosphere; in solvent: -80°C (6 months), -20°C (1 month).