6-o-alpha-d-glucopyranosyl-d-glucose

D-Luciferin potassium (D-Luciferin K Salt) is a popular bioluminescent substrate of luciferase in the presence of ATP.

D-Luciferin Sodium is a heterocyclic light-emitting compound and natural ligand for luciferase used to detect cell activity. The salt form of luciferin dissolves in water or other typical buffers.

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

D-Ala-Lys-AMCA TFA is a proton-coupled oligopeptide transporter 1 (PEPT1) substrate characterized by its emission of blue fluorescence. It has been demonstrated through fluorescence analysis that this compound can be transported into liver cancer cells and Caco-2 cells. Its utility extends to the characterization of PEPT1-specific substrates or inhibitors [1] [2].

D & C Red no. 31 is an agent of dye.

Fluorescein Di-β-D-Glucuronide, a fluorescent probe, enables non-invasive imaging of intestinal bacterial β-glucuronidase activity in nude mice. This compound's utilization for both in vitro and in vivo imaging offers valuable insights into bacterial β-glucuronidase activity, thereby enhancing pharmacodynamic research on its specific inhibitors in animal models [1].

4-Methylumbelliferyl β-D-Galactopyranoside-6-sulfate (sodium salt) (4-MU-Gal-6S) is a fluorogenic substrate used to quantify N-acetylgalactosamine-6-sulphatase (GALNS) activity. 4-MU-Gal-6S is cleaved by GALNS to release the fluorescent moiety 4-MU. 4-MU fluorescence is pH-dependent with excitation maxima of 320 and 360 nm at low (1.97-6.72) and high (7.12-10.3) pH, respectively, and an emission maximum ranging from 445 to 455 nM, increasing as pH decreases. It has been used to detect Morquio disease type A, a lysosomal storage disorder in which GALNS is deficient. 4-MU-Gal-6S can be used to assess GALNS activity in a very small blood volume to determine the extent of deficiency.

Purple-β-D-Gal, a chromogenic β-galactosidase substrate, undergoes enzymatic hydrolysis by intracellular β-galactosidase, yielding indoxyl molecules that oxidize and dimerize in situ to form water-insoluble indigo precipitates advantageous for β-galactosidase activity detection [1].

6-Chloro-3-indoxyl-α-D-mannopyranoside serves as a chromogenic substrate for the enzyme α-mannosidase, producing a salmon-colored precipitate following enzymatic cleavage.

D-Ala-Lys-AMCA TFA is a known substrate of proton-coupled oligopeptide transporter 1 (PEPT1) that emits blue fluorescence. D-Ala-Lys-AMCA TFA may be transported into Caco-2 cells and liver cancer cells.

CH3OCO-D-CHA-Gly-Arg-pNA acetate serves as a chromogenic substrate for Factor Xa, as documented in sources [1] [2].

D131 is an orange indoline organic dye with an absorption maximum in solution at λ=425 nm [1] [2].

3-Methyl-8-(2'-deoxy-β-D-ribofuranosyl)isoxanthopterin serves as a pteridine-based fluorescent guanosine analogue and DNA uptake tracer utilized extensively for investigation into DNA binding and dynamics. It exhibits an absorbance peak at 350 nm and a corresponding emission peak at 430 nm [1].

4-Methylumbelliferyl 2-sulfamino-2-deoxy-α-D-Glucopyranoside (4-MU-α-GlcNS) is a fluorogenic substrate of heparin sulphamidase. Heparin sulphamidase cleaves 4-MU-α-GlcNS to yield 4-MU-α-GlcNH2, which is then cleaved by α-glucosaminidase to release the fluorescent product 4-MU, which displays an emission maxima of 445-454 nm. The excitation maxima for 4-MU is pH-dependent: 330, 370, and 385 nm at pH 4.6, 7.4, and 10.4, respectively. 4-MU-α-GlcNS has been used to quantify heparin sulphamidase deficiencies associated with Mucopolisaccaridosis IIIA and other lysosomal disorders.

7-Aminoactinomycin D is a fluorescent DNA stain.

Rose-β-D-Gal, a fluorescent dye, serves as a β-galactosidase substrate, producing a pink/magenta color upon reaction that facilitates the detection of β-gal activity [1] [2].

D&C Red No. 8 is a dye.

4-Nitrophenyl β-D-xylopyranoside serves as a chromogenic substrate for β-xylosidase, facilitating the assessment of enzyme activity.

4-Methylumbelliferyl-β-D-galactoside (MUG) is a fluorogenic substrate for β-galactosidase (β-gal).1Hydrolysis of MUG by β-gal releases the fluorescent moiety 4-MU, which displays a pH-dependent excitation maximum of 330, 370, and 385 nm at pH 4.6, 7.4, and 10.4, respectively, and an emission maximum between 445-454 nm.2MUG has been used to detect β-gal activity in intact bacteria, yeast, and mammalian cells.1 1.Vidal-Aroca, F., Giannattasio, M., Brunelli, E., et al.One-step high-throughput assay for quantitative detection of β-galactosidase activity in intact Gram-negative bacteria, yeast, and mammalian cellsBiotechniques40(4)433-434(2006) 2.Zhi, H., Wang, J., Wang, S., et al.Fluorescent properties of hymecromone and fluorimetric analysis of hymecromone in compound dantong capsuleJ. Spectrosc.1(1)147128(2013)

Fluorescein di-beta-D-galactopyranoside (FDG) is a fluorescent substrate for the detection of β-galactosidase in kinetoplastids and animals by flow cytometry , λex=485 nm, λem=535 nm.

5-Bromo-4-chloro-3-indolyl-b-D-glucuronide sodium salt is a useful organic compound for research related to life sciences. The catalog number is T64896 and the CAS number is 129541-41-9.

D-Ala-Lys-AMCA is a known substrate of proton-coupled oligopeptide transporter 1 (PEPT1) that emits blue fluorescence. D-Ala-Lys-AMCA may be transported into Caco-2 cells and liver cancer cells.

Mca-(endo-1α-Dap(Dnp))-TNF-α(-5 to +6) amide (human) TFA is a peptide that functions as a fluorescence resonance energy transfer (FRET)-based substrate, with its activity determined by the change in fluorescence intensity following cleavage [1].

Sodium 2,6-dibromo-4-(3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-2,2-dioxido-3H-benzo[d][1,2]oxathiol-3-yl)-3-methylphenolate is a useful organic compound for research related to life sciences. The catalog number is T64788 and the CAS number is 62625-32-5.

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

D & C Red no. 30 is an agent of red dye.

D&C Red No. 27 Aluminum Lake is a drug and cosmetic synthetic dye. The FDA lists it as a safe additive for drugs and cosmetics as per FDA standards.