4-morpholinepropanesulfonic acid, sodium

MOPS sodium salt (MOPS-Na) is a novel stabilizer maintaining the pH of mammalian cell culture media. It used as a buffer for the native structure of BSA against thermal denaturation.MOPS sodium salt(3-(N-morpholino)propanesulfonic acid sodium salt) is commonly used as a buffer in biology.

FITC-dextran (MW 4000) is a fluorescein isothiocyanate (FITC) Dextran fluorescent probe (Ex=495 nm; Em=525 nm). FITC-Dextran (MW 4000) can be used as a marker to reveal cell damage caused by heat shock and to study the early and late stages of apoptosis. FITC-Dextran (MW 4000) can also be used for cell permeability studies, such as the determination of blood-brain barrier permeability and the degree of blood-brain barrier disruption.

FM4-64 (SynaptoRedTM C2) is a stylane-based dye that is largely non-fluorescent in aqueous solution. FM4-64 cannot passively diffuse into the cell interior after binding to the plasma membrane bilayer and must be transported across the membrane by active transport. FM4-64 can be used to study endocytosis exocytosis and vesicle trafficking.

Fast red TR salt hemi(zinc chloride) is a red diazo dye with λmax = 284 nm, commonly used as a chromogenic substrate for alkaline phosphatase (AP) and in immunohisto-chemistry to detect specific proteins or antigens in tissue sections.

DHBS (DCHBS) is used in conjunction with 4-aminoantipyrine (4-AAP) and H2O2 for chromogenic quantitation of peroxidase in coupled enzymatic reactions.

Reactive Blue 4, an anthraquinone dye, exhibits phytotoxic, cytotoxic, and genotoxic properties. It functions as a single colorimetric chemosensor for the sequential detection of multiple analytes, each with distinct optical responses, in aqueous media.

PNPG (4-Nitrophenyl β-D-glucopyranoside) is a chromogenic substrate for β-D-glucosidase that, upon enzymatic cleavage, yields a yellow solution.

4-Nitrobenzoic acid (4Nitrobenzoic acid) is a pharmaceutical intermediate often found in the production of folic acid, DABA, PABA and dyes.

2-(4-Hydroxyphenylazo)benzoicacid is a spectrophotometric probe that shows changes in absorption spectra upon binding to proteins and binds to bovine serum proteins.

Brilliant Yellow (Direct Yellow 4) is a potent and selective VGLUT inhibitor, a dye that is photodegradable.

4-Di-1-ASP is a positively charged fluorescent dye used to label glioma cells in live brain tissue and can also be used to observe mitochondria in live cells, with λex λem = 475 606 nm.

4-Methylumbelliferyl heptanoate (4-Methylumbelliferyl enanthate) is a lipase fluorescent substrate that detects cell-mediated cytotoxicity and cell proliferation.

5-Bromo-4-chloro-3-indolyl β-D-glucopyranoside (X-Glc) is a chromogenic substrate for β-galactosidase, producing a blue product under β-galactosidase catalysis, commonly used for in situ β-galactosidase staining and blue-white screening.

ADOS (82692-96-4) is a biochemical and chromogenic reagent.

Tris(4-aminophenyl)methane (Leucopararosaniline), a triphenylmethane dye, is a weak HCV helicase inhibitor.

6-Ethyl-7-hydroxy-4-methylchromen-2-one is a fluorescent dye.

5-Bromo-4-chloro-3-indoxyl-beta-D-cellobioside is a chromogenic compound used to detect cellobiohydrolases.

7-BFC (7-Benzyloxy-4-(trifluoromethyl)coumarin) is a coumarin-like fluorescent substrate that serves as a biomarker for cytochrome P 450 and can be used to study CYP isoforms and cytochrome P 450 metabolism.

DBCO-PEG4-TAMRA, contains a DBCO group, is a PEG-based TARMA dye. The TAMRA dye is a dye widely used in oligonucleotide labeling.

Fluo-4 AM is a cell-permeable calcium ion (Ca²⁺) fluorescent indicator chemical probe suitable for fluorescence imaging, flow cytometry, and plate screening, with an excitation wavelength of approximately 488 nm and an emission wavelength of 512–520 nm.

BCDA (5-bromo-4-chloroindoxyl acetate) is a chromogenic substrate utilized to detect esterase activity.

4-Methylumbelliferyl-β-D-glucuronide hydrate (MUG) is a fluorogenic substrate (λex=362 nm, λem=445 nm).

4-Methylumbelliferyl phosphate (4-MUP) (4-MUP) is used as a fluorogenic substrate of alkaline phosphatases.

5-ROX (5-Carboxy-X-rhodamine), a rhodamine dye, exhibits strong fluorescence in aqueous buffer with an excitation wavelength (λexit) of 580 nm (ε = 3.6×10^4 (M·cm)) and an emission wavelength (λemit) of 604 nm (ϕ = 0.94).