Substrates

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  • Isopropyl-β-D-thioglucuronic acid, sodium salt IPTGlcA · Na   MOLECULAR BIOLOGY GRADE     Off-white to brownish microcrystalline powder   Isopropyl-β-D-thioglucuronic acid induces β-D-glucuronidase and therefore enhances…

  • 5,5'-dithio-bis-(2-nitrobenzoic acid) (DTNB)   Ellman's reagent is a versatile, water-soluble compound for quantifying free sulfhydryl groups in solution. It reacts with a free sulfhydryl group to yield a mixed disulfide and 2-nitro-5-thiobenzoic acid (NTB), a measurable yellow…

  • L-Lysine 7-amido-4- methylcoumarin acetate salt H-Lys-AMC · AcOH   MOLECULAR BIOLOGY GRADE Off white to white crystalline powder   Forms a colorless, clear solution when dissolved 5% in water.   Substrate for aminopeptidase b yielding a blue…

  • 4-Methylumbelliferyl phosphate free acid MUP   MOLECULAR BIOLOGY GRADE   White to off-white crystalline powder   Sensitive fluorogenic substrate for fluorometric and UV-spectrophotometric assays of phosphatases. 4-Methylumbelliferyl phosphate is an indicator of…

  • 5-Bromo-4-chloro-3-indoxyl-β-D-fucopyranoside MOLECULAR BIOLOGY GRADE X-β-D-Fucoside is a white to slightly off-white powder that is a chromogenic substrate for β-D-fucosidase, yielding a blue precipitate. Store at -15°C and protect from light. Features CAS#:…

  • Phosphocreatine disodium salt  Handling: Store at 5°C, protect from light PubChem Chemical ID: 24856872 Features Synomyms: Sodium creatine phosphate dibasic tetrahydrate, CAS# : 71519-72-7 Molecular Formula: …

  • L-Pyroglutamic acid 7-amido-4- methylcoumarin L-Pyroglutamic acid 4-methylcoumarinylamide; L-Pyroglutamic acid 4-methylumbelliferylamide H-Pyr-AMC MOLECULAR BIOLOGY GRADE Off white to light yellow powder Fluorogenic substrate for proglutamyl peptidase 1, yielding a blue fluorescent…

  • (X-glu, X-glcA, BCIG)  5-Bromo-4-chloro-3-indoxyl-beta-D-glucuronide cyclohexylammonium salt   MOLECULAR BIOLOGY GRADE   Purity: greater than 99% (HPLC)   Thin Layer Chromatogram: single spot    Biological Activity: indigo-blue assay   Elemental…

  • 4-Nitrophenyl-α-D- maltohexaoside p-Nitrophenyl-alpha-D-maltohexaoside PNP-alpha-D-maltohexaoside   MOLECULAR BIOLOGY GRADE   Off-white to yellow crystalline powder   Chromogenic substrate for α-amylase, yielding a yellow solution upon cleavage. …

  • 2-Naphthyl caprylate

    G-Biosciences

    2-Naphthyl caprylate Octanoic acid β-naphthyl ester;   β-Nap-caprylate     MOLECULAR BIOLOGY GRADE     White to off-white crystalline powder     Chromogenic substrate for carboxylesterase and lipase. 2-naphthol is…

  • 2-Naphthyl-β- D-galactopyranoside β-Naphthyl-β-galactoside; β-Nap-β-D-Gal   MOLECULAR BIOLOGY GRADE   White to off-white crystalline powder   2-Naphthyl-beta-D-galactopyranoside is a substrate for beta-galactosidase. 2-naphthol is released upon…

  • 5-Bromo-4-chloro- 3-indoxyl-α-L- arabinofuranoside; X-α-L-arabinofuranoside; X-α-L-Ara MOLECULAR BIOLOGY GRADE Off-white crystalline powder Store below -15°C in a dark, dry place. Features CAS#: Not Available Molecular Formula:…

  • L-Leucine 7-amido-4- methylcoumarin hydrochloride  L-Leucine (4-methyl-7-coumarinylamide) hydrochloride H-Leu-AMC · HCl MOLECULAR BIOLOGY GRADE White to off-white powder Sensitive fluorogenic substrate for leucine aminopeptidase or a broad specificity aminopeptidase like…

  • nitrophenyl-β-D- mannopyranoside p-Nitrophenyl-β-D-mannoside PNP-β-D-Man   MOLECULAR BIOLOGY GRADE   White to off white crystalline powder   Chromogenic α-mannosidase substrate, yielding a yellow solution upon cleavage.   Store…

  • 4-Nitrophenyl-α-D- galactopyranoside p-Nitrophenyl-alpha-D-galactoside PNP-alpha-D-Gal PNPG   MOLECULAR BIOLOGY GRADE   Off white crystalline powder   Chromogenic substrate yielding a soluble chromophor for the colorimetric assay of alpha-D-galactosidase upon…

  • 4-Nitrophenyl-α-L- fucopyranoside p-Nitrophenyl-α-L-fucoside PNP-α-L-Fuc   MOLECULAR BIOLOGY GRADE   White to off white crystalline powder   Chromogenic substrate yielding a soluble yellow chromophor for the colorimetric assay of…

  • 4-Nitrophenyl-α-D- glucopyranoside p-Nitrophenyl-alpha-D-glucoside PNP-alpha-D-Glc   MOLECULAR BIOLOGY GRADE   Off white crystalline powder   Chromogenic substrate for alpha-D-glucosidase yielding a yellow solution upon cleavage. Also used for the detection of…

  • Y-β-D-GLC 3-Indoxyl-β-D-glucopyranoside anhydrous Y™-β-D-glucoside Y™-β-D-Glc, Y-Gluc   MOLECULAR BIOLOGY GRADE   White to off-white crystalline powder   Chromogenic substrate for β-D-glucosidase, yielding a blue precipitate upon…

  • 4-Chloro-1-naphthol

    G-Biosciences

    4-Chloro-1-naphthol   MOLECULAR BIOLOGY GRADE   Off-white to gray crystalline powder (needles)   Substrate for horseradish peroxidase (HRP). HRP catalyzes oxidation of 4-chloro-1-naphthol in the presence of peroxide to the blue insoluble product 4-chloro-1-naphthon. It is used…

  • D-Luciferin Firefly, free acid 4,5-Dihydro-2-(6-hydroxy-2-benzothiazolyl)-4-thiazolecarboxylic acid Luciferin is a common bioluminescent reporter used for in-vivo imaging of the expression of the luc marker gene . It is the substrate for the Firefly luciferase enzyme which utilizes ATP and…

  • Tested and Certified for in vivo imaging Luciferin is a common bioluminescent reporter used for in vivo imaging of the expression of luciferase. This water soluble substrate for the Firefly luciferase enzyme utilizes ATP and Mg2+ as co-factors to emit a characteristic yellow-green emission in…

  • 4-Nitrophenyl-N-acetyl-β- D-glucosaminide p-Nitrophenyl-2-acetamido-2-deoxy-β-D-glucopyranoside PNP-β-D-GlcNAc   MOLECULAR BIOLOGY GRADE   Off white crystalline powder   Chromogenic β-Glucosaminidase substrate yielding a yellow solution upon…

  • 5-Bromo-4-chloro-3-indoxyl-α-L-fucopyranoside MOLECULAR BIOLOGY GRADE X-α-L-Fucoside is a white to slightly off-white microcrystalline powder that is used as a chromogenic substrate for α-D-Fucosidase, yielding a blue precipitate. Store at -15°C and protect from…

  • 4-Nitrophenyl-β-D- galactosidase p-Nitrophenyl-β-D-galactoside PNP-β-D-Gal   MOLECULAR BIOLOGY GRADE   White to off white crystalline powder   Chromogenic β-galactosidase substrate yielding a yellow solution upon cleavage. Can be used for…

  • Bluo-gal is used as an alternative to X-gal that produces a darker blue color. Bluo-Gal is hydrolyzed by β-galactosidase to produce a blue precipitate. This precipitate is insoluble in alcohol and xylenes, thus making it suitable for immunoblotting and immunocytochemical assays. Bacterial…

  • S-Acetylthiocholine iodide MOLECULAR BIOLOGY GRADE Store below 5°C in a dark, dry place. Features CAS#: 1866-15-5 Molecular Formula: C7H16NOSI Molecular Weight: 289.180 g/mol

  • 4-Methylumbelliferyl-β- D-fucopyranoside 4-MU-β-D-Fuc   MOLECULAR BIOLOGY GRADE   White to off-white powder   Fluorogenic substrate for β-D-Fucosidase, yielding a blue fluorescent solution upon cleavage.    Store at -15°C in the…

  • 5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside is most commonly known as X-Gal. X-gal is a histochemical substrate for β-galactosidase which cleaves X-Gal to yield an insoluble blue precipitate.    X-Gal is a mainstay in molecular biology cloning applications in which it is…

  • 4-Nitrophenyl-β-D- maltopyranoside p-Nitrophenyl-β-D-maltoside PNP-β-D-maltoside   MOLECULAR BIOLOGY GRADE   White to off white crystalline powder   Chromogenic β-maltosidase substrate, yielding a yellow solution upon cleavage.   Store at…

  • Magenta-phosphate p toluidine salt; 5-Bromo-6-chloro-3-indoxyl phosphate, p-toluidine salt MOLECULAR BIOLOGY GRADE Magenta-phos PT is a white to off-white microcrystalline powder that is used as a substrate for visualization of alkaline phosphatase activity. The end product is insoluble and…

  • N-Methylindoxyl-β-D- galactopyranoside Green TM -β-D-galactoside 1-Methyl-3-indoxyl-β-D-galactopyranoside Green TM -β-D-Gal MOLECULAR BIOLOGY GRADE Off white to yellowish crystalline powder Chromogenic substrate for β-D-galactosidase, yielding a green…

  • 5-Bromo-4-chloro-3-indoxyl-2-acetamido-2-deoxy- β-D-glucopyranoside X-β-D-GlcNAc MOLECULAR BIOLOGY GRADE Can be used as a chromogenic substrate for N-Acetyl-β-D-glucosaminidase, yielding a blue precipitate. It is also used in histochemistry. Store in 2-8°C. For long…

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