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…

X-Sulfate potassium salt; 5-Bromo-4-chloro-3-indoxyl sulfate, potassium salt MOLECULAR BIOLOGY GRADE X-Sulfate K is a slightly off-white to faint-yellowish powder that is used as a chromogenic substrate for aryl-sulfatase. X-Sulfate K yields a blue precipitate when cleaved. Store at…

5-Bromo-4-chloro-3-indoxyl-β-D-glucuronic acid sodium salt; X-β-D-GlcA·Na MOLECULAR BIOLOGY GRADE X-β-D-glucuronide sodium salt is a substrate for β-glucuronidase (GUS), yielding a blue precipitate upon cleavage. X-β-D-glucuronide sodium salt is highly accepted…

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…

3,3′,5,5′-Tetramethylbenzidine dihydrochloride; TMB·HCl; TMB dihydrochloride   MOLECULAR BIOLOGY GRADE   TMB is an excellent colorimetric substrate for detection of horseradish peroxidase labelled probes and is used with peroxidase and peroxidase coupled systems,…

2-Nitrophenyl-N-acetyl- β-D- glucosaminide o-Nitrophenyl-2-acetamido-2-deoxy-beta-D-glucoside ONP-beta-D-GlcNAc   MOLECULAR BIOLOGY GRADE   White to off white crystalline powder   Chromogenic β-glucosaminidase substrate yielding a yellow solution upon cleavage. …

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…

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…

Nitrotetrazolium blue chloride; NBT; Nitro blue tetrazolium chloride; Nitro-TB MOLECULAR BIOLOGY GRADE NBT is used in combination with 5-bromo-4-chloro-3-indoxyl phosphate (BCIP) to detect alkaline phosphatase activity in blotting techniques and in situ hybridization chemistry. BCIP acts…

4-Nitrophenyl-β-D- xylopyranoside p-Nitrophenyl-β-D-xylopyranoside PNP-β-D-Xyl   MOLECULAR BIOLOGY GRADE   White to off white powder   Chromogenic β-xylosidase substrate, yielding a yellow solution upon cleavage.   Store at -15°C and…

PNPG (Gus); 4-Nitrophenyl-β-D-glucuronic acid; p-Nitrophenyl-β-D-glucuronide; PNP-β-D-GlcA   MOLECULAR BIOLOGY GRADE   Slightly off-white to yellow crystalline powder.   PNPG (Gus) is a chromogenic β-glucuronidase substrate yielding a yellow…

5-Bromo-4-chloro-3-indolyl octanoate 5-Bromo-4-chloro-3-indolyl caprylate 5-Bromo-4-chloro-3-indoxyl octanoate X-caprylate MOLECULAR BIOLOGY GRADE A chromogenic substrate for esterase with C8 activity. 5-Bromo-4-chloro-3-indoxyl caprylate yields a blue precipitate when cleaved.  …

Phenyl-β-D- galactopyranoside Phenyl-β-D-galactoside Ph-β-D-Gal MOLECULAR BIOLOGY GRADE White to off white crystalline powder Phenyl-β-D-galactopyranoside is a noninducing β-galactosidase substrate. It is used in selection of mutants of lacZ plasmid-based…

1-O-Methyl-β- D- glucuronic acid, sodium salt 1-O-Methylglucuronide sodium salt 1-OMe-beta-D-GlcA · Na   MOLECULAR BIOLOGY GRADE   White to light yellow crystalline powder   1-O-Methyl-β-D-glucuronic acid is a β-glucronidase inducer.   Store at…

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

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…

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…

Tos-Ala-Y  Handling Store at -15°C, protect from light. PubChem Chemical ID: 53471583 Features Synonyms:  H-TOS-ALA-Y, N-TOSYL-L-ALANYLOXYINDOLE, 1H-indol-3-yl N-[(4-methylphenyl)sulphonyl]-L-alaninate, N-[(4-Methylphenyl)sulfonyl]-L-alanine 1H-indol-3-yl ester,…

4-Methylumbelliferyl-N- acetyl-β-D- galactoside 4-Methylumbelliferyl-2-acetamido-2-deoxy-beta-D-galactopyranoside 4-MU-beta-D-GalNAc   MOLECULAR BIOLOGY GRADE   White to off white powder   Fluorogenic substrate for N-acetyl-beta-D-galactosaminidase.…

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- 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…

4-Nitrophenyl-N-acetyl- β-D-galactosaminide p-Nitrophenyl-2-acetamido-2-deoxy-β-D-galactoside; PNP-β-D-GalNAc   MOLECULAR BIOLOGY GRADE   White to off-white crystalline powder   Chromogenic substrate for N-acetyl-β-D-galactosaminidase,…

4-Methylumbelliferyl-β-D-glucopyranoside  4-MU-beta-D-Glc   EINECS: 242-736-7   Beilstein: 94672   S-Phrases: S24/25,S22   MDL: MFCD00063694 Features CAS#: 18997-57-4 Molecular Formula:  C₁₆H₁₈O₈ …

4-Methylumbelliferyl-β- D-galactopyranoside 4-MU-β-D-Gal   MOLECULAR BIOLOGY GRADE   White to off-white powder   Fluorogenic substrate for β-D-galactosidase, yielding a blue fluorescent solution upon cleavage.    Store at -15°C…

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…

5-Bromo-4-chloro-3-indoxyl-β-D-glucopyranoside X-β-D-glucoside X-β-D-Glc EINECS 239-603-0 Beilstein: 1552603 S-Phrases S24/25,S22 MDL MFCD00063690 Store at -15°C, keep dry, protect from light. Features CAS#: 15548-60-4 Molecular…

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…

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-3-indoxyl nonanoate Lapis™-nonanoate   MOLECULAR BIOLOGY GRADE   Store at -15°C in the dark. Features CAS#: 133950-70-6 Molecular Formula:  C₁₇H₂₂BrNO₂ Molecular Weight:  352.280 g/mol