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XTTCatalog Number 19661
Useful in in vitro cell growth assays with possible applicability to a variety of problems in cellular pharmacology and biology.
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5-Bromo-4-chloro-3-indolyl β-D-galactopyranosideCatalog Number 17316
Histochemical substrate for β-galactosidase.
X-gal
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4’,6-Diamidino-2-phenylindole dihydrochloride (DAPI)Catalog Number 09224
A cationic fluorescent dye which specifically binds to adenine-thymine-rich DNA. Applications include detection of nanogram quantities of DNA in cellular homogenates, and cytofluorometric determination of the DNA base content in human chromosomes. Available in bulk quantities for OEM users at significant savings.
λ max 342nm
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Pyronin Y, C.I. 45005, certifiedCatalog Number 18614
Used in combination with methyl green for the selective and differential staining of nucleic acids. The pyronin Y stains RNA red, while the methyl green stains DNA green. The combined methyl green-pyronin Y stain is a useful histochemical reagent. Pyronin Y can also be used as a tracking dye for polyacrylamide gel electrophoresis.
λmax 552nm
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Acridine orange, C.I. 46005 (min. 95%)Catalog Number 04539
DNA intercalating dye. A grade of acridine orange of exceptionally high purity, suitable for quantitative work. Free of inorganic salts. A specific stain for RNA, used as a 2% solution containing 1% lanthanum acetate in 15% acetic acid.
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Filipin (from Streptomyces filipinensis)Catalog Number 08707
Polyene antibiotic fluorochrome for cholesterol determination. Used as an antifungal agent.
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5-Cyano-2,3-di-(p-tolyl)tetrazolium chloride (CTC)Catalog Number 19292
Cyanoditolyl tetrazolium chloride has been used to measure the redox activity of tumor cells. It has also been employed for direct epifluorescent microscopic enumeration of respiring bacteria in food samples and environmental samples, especially water samples.
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Fast green FCF, C.I. 42053, certifiedCatalog Number 02745
(Food green 3). Sensitive stain for proteins in polyacrylamide gels. Especially suitable in isoelectric focusing. Also suitable for use as a cytological counterstain, and mammalian tissue stain for muscle and collagen.
λ max 622-626nm.
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Coomassie® Blue G250, C.I. 42655Catalog Number 03707
Protein stain for SDS gels. Used in dye binding techniques for protein quantification.
(Coomassie blue® G250; Brilliant blue G250; Acid blue 90)
λmax 610nm
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Coomassie® blue R250, C.I. 42660Catalog Number 00352
Rapid acting and sensitive dye for SDS gels.
(Coomassie blue® R250; Brilliant blue R250; Acid blue 83)
λmax 588nm
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Cibacron Blue 3GA, Affinity Chromatography GradeCatalog Number 25721
Sulfonated triazine dye that can be immobilized on a support matrix and used for affinity chromatography of proteins. Also used for probing nucleotide binding sites in proteins. (Reactive blue 2)
1H NMR and mass spectrometry data are consistent with the structure shown.
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Stains-allCatalog Number 03943
Used to stain DNA, RNA, and protein. Also useful for staining acid polysaccharides.
Results:DNA stain blue
RNA stain bluish-purple
Protein stain red
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Phen-DC3Catalog Number 26000G-Quadruplex Ligand
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Hydroethidine™ (Dihydroethidium bromide)Catalog Number 17084
Reduced ethidium bromide. A vital stain. Enters and stains living cells without cellular trauma.
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Osmium ammine-BCatalog Number 21033
Stable DNA stain.
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Bisbenzimide (Hoechst 33258)Catalog Number 09460
Fluorescent chromosome stain. Recommended use is 10mg/ml for 2-10 minutes. This will vary based on section thickness.
(2’-[4-Hydroxyphenyl]-5-[4-methyl-1-piperazinyl]-2,5’-bi-1H-benzimidazole trihydrochloride pentahydrate; Hoechst 33258)
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2% Acridine Orange, Ready-to-UseCatalog Number 24603
DNA intercalating dye. A grade of acridine orange of exceptionally high purity, suitable for quantitative work.
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Toluidine blue O, C.I. 52040, certifiedCatalog Number 01234
A metachromatic, cationic thiazine dye that is widely used in in vitro biological applications. It has also been used in techniques for DNAase detection.
λmax 626nm
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Toluidine blue O, C.I. 52040, purifiedCatalog Number 15931
Useful for staining RNA, oligodeoxynucleotides, proteins and glycosaminoglycans.
λ max 626nm.
Assay >60% anhydrous dye.
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Ruthenium hexammine trichlorideCatalog Number 17253
Electron microscopy stain.
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Acridine mutagen ICR 191Catalog Number 08704
Frameshift mutagenic standard for Ames test in Salmonella and E. Coli.
([6-Chloro-9-(3-[2-chloroethylamino]propylamino)-2-methoxyacridine] dihydrochloride; ICR 191 Acridine mutagen; Ames mutagen 191)
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Fast Blue (FB)Catalog Number 17740
Fast blue fluorescent tracer used in studies of peripheral nervous system to determine the number & origin of neurons projecting to specific area
DNA / RNA / Protein Dyes