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  • Xylenol Orange Sodium Salt ACS

    Ricca Chemical

  • X-Gal

    IBI Scientific

    X-GAL is histochemical substrate for β-galactosidase, allowing the detection of lac gene expression. To make a stock solution of X-GAL, dissolve the X-GAL in dimethylformamide to make a 20mg/ml solution. Note: Use either a glass or polypropylene tube. Add 4ml of this solution per liter of…

  • Xylenol Blue

    Alfa Aesar

    Synonym(s): p-Xylenolsulfonephthalein Formula: C23H22O5S Formula weight: 410.49 CAS Number: 125-31-5 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • m-Xylene, anhydrous, =99%

    MilliporeSigma

    Synonyms: 1,3-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 108-38-3 Purity: ≥99% Density: 0.868 g/mL at 25 °C(lit.) Packaging: 1, 2, 4 x 2 L in Sure/Seal™ Packaging: 100 mL in Sure/Seal™

  • Xanthine =99.5% (HPLC), purified by recrystallization

    MilliporeSigma

    Synonym: 2,6-Dihydroxypurine CAS Number: 69-89-6 Empirical Formula (Hill Notation): C5H4N4O2 Molecular Weight: 152.11 Beilstein Registry Number: 8733 EC Number: 200-718-6 MDL Number: MFCD00078453 PubChem…

  • XLD Agar

    BD

    Description: Selective differential medium for the isolation of Shigella and Providencia from stools

  • Xylene Cyanol FF for molecular biology, BioReagent

    MilliporeSigma

    Synonym: Acid blue 147, Cyanol FF, XC CAS Number: 2650-17-1 Empirical Formula (Hill Notation): C25H27N2NaO6S2 Molecular Weight: 538.61 Color Index Number: 42135 EC Number: 220-167-5 MDL Number: …

  • Xylenol Orange tetrasodium salt, ACS

    Alfa Aesar

    Formula: C31H28N2Na4O13S Formula weight: 760.59 CAS Number: 3618-43-7 Harmonized Tariff Code:  2922.50

  • SIAL Xylenes

    MilliporeSigma

    histological grade Synonym(s): Xylene mixture of isomers Amino Acid Sequence: Empirical Formula: C8H10 Formula Weight: 106.17 Linear Formula: C6H4(CH3)2 MDL Number: MFCD00077264 Purity: Boiling Point: …

  • SIAL Xylidyl blue I

    MilliporeSigma

    Synonym(s): 4-Hydroxy-3-[2-hydroxy-3-(2,4-dimethylphenylaminocarbonyl)-1-naphthylazobenzenesulfonic acid sodium salt; Magonsulfonate Empirical Formula: C25H20N3NaO6S Formula Weight: 513.50 Linear Formula: …

  • SIGMA XTT sodium salt, powder, BioReagent, suitable for cell culture

    MilliporeSigma

    Synonym(s): 2,3-Bis(2-methoxy-4-nitro-5-sulfophenyl)-2 H -tetrazolium-5-carboxanilide inner salt Formula: C22H16N7NaO13S2 Formula Weight: 673.52 CAS No.: 111072-31-2 Purity: ≥90% Application: XTT has been used in…

  • o-Xylene, puriss. p.a., =99.0% (GC)

    MilliporeSigma

    Synonyms: 1,2-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 95-47-6 Purity: ≥99.0% (GC) Density: 0.879 g/mL at 20 °C(lit.)

  • Xylene Substitute

    MilliporeSigma

    purum p.a., for microscopy Density: 0.75 g/mL at 20 °C Refractive Index: n 20/D 1.420 RIDADR: UN 3295 3/PG 3

  • SIGMA Xylitol >=99%

    MilliporeSigma

    Synonym(s): Xylite Empirical Formula: C5H12O5 Linear Formula: HOCH2[CH(OH)]3CH2OH Formula Weight: 152.15 MDL Number: MFCD00064292 Purity: ≥99% Melting Point: 94-97 °C(lit.) Beilstein Registry Number:…

  • Xanthine Oxidase from bovine milk, Grade III, ammonium sulfate suspension, 1.0-2…

    MilliporeSigma

    Synonym: XOD, Xanthine:oxygen oxidoreductase CAS Number: 9002-17-9 EC Number: 232-657-6 Enzyme Commission (EC) Number: 1.17.3.2. MDL Number: MFCD000821452 Analysis Note Protein determined by biuret Biochem/physiol Actions Xanthine oxidase…

  • Xylenes, ACS, 98.5+% (Assay, isomers plus ethylbenzene)

    Alfa Aesar

    Formula: (CH3)2C6H4 Formula weight: 106.17 Purity: 98.5+% (Assay, isomers plus ethylbenzene) CAS Number: 1330-20-7 UN Number: UN1307 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2902.44 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour.…

  • X-Gal

    ACTGene, Inc.

    X-Gal is a chromogenic substrate of b-Galactosidase. It is used in conjunction with IPTG for detection of b-Galactosidase activity in bacterial colonies in a colorimetric assay to detect recombinants (white) from non-recombinants (blue). X-Gal is cleaved at the b 1-4 bond between galactose and the…

  • D(+)-Xylose

    bioWORLD

  • p-Xylene

    MilliporeSigma

    analytical standard Synonym(s): 1,4-Dimethylbenzene Empirical Formula: C8H10 Formula Weight: 106.17 Linear Formula: C6H4(CH3)2 MDL Number: MFCD00008556 Purity: ≥99.5% (GC) Boiling Point: …

  • X-Glucuro Sodium Salt

    ACTGene, Inc.

    Substrate for ß-Glucuronidase. It is converted by the enzyme into an intense blue precipitate. It is used for the detection of the GUS gene in bacterial colonies, e.g. Escherichia coli, or for histochemical applications. For research use. Purity: =98.0% Molecular Formula: C14H12BrClNO7Na …

  • Xylene Cyanol FF

    IBI Scientific

    Xylene Cyanol FF is used as a tracking dye to monitor the progress of electrophoresis separations. The tracking dye typically migrates with the DNA molecules around 5kb. Therefore, if you are monitoring the progress of longer electrophoresis run, Xylene Cyanol FF is the tracking dye of choice.

  • Xylenol Orange

    LaMotte

    Formula: C31H31N2NaO13S in NaCl Formula Weight: 694.64

  • XLT4 Agar Base

    BD

    Description: XLT4 Agar Base used with XLT4 Supplement as a selective differential medium for isolation of Salmonella.

  • m-Xylene, 99%

    Alfa Aesar

    Synonym(s): 1,3-Dimethylbenzene Formula: C8H10 Formula weight: 106.17 Purity: 99% CAS Number: 108-38-3 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.42 Risk Phrases: 10-20/21-38 Flammable. Harmful by inhalation and in contact with…

  • Xylazine-d6

    MilliporeSigma

    VETRANAL ™ , analytical standard Synonym(s): 2-(2,6-Dimethyl-d6-phenylamino)-5,6-dihydro-4 H -thiazine Empirical Formula: C12D6H10N2S Formula Weight: 226.37 Linear Formula: …

  • Xylene Substitute

    MilliporeSigma

    EC Number: 265-068-8 General Description Non-toxic xylene replacement. Compatible with all tissue processors. May not be compatible with all permanent mounting medias.

  • SIGMA Xanthophyll from marigold

    MilliporeSigma

    Synonym(s): α-Carotene-3,3'-diol; β, ε-carotene; β, ε-carotene-3,3'-diol; Lutein Empirical Formula: C40H56O2 Linear Formula: C40H56O2 Formula Weight: 568.87 MDL Number: MFCD08435941 Storage: …

  • D-(+)-Xylose, BioXtra, =99%

    MilliporeSigma

    Formula: C5H10O5 Formula Weight: 150.13 CAS No.: 58-86-6 Purity: ≥99% Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. X3877.pdf Tested metabolites…

  • XLD Agar

    MilliporeSigma

    for microbiology Synonym(s): Xylose Lysine Deoxycholate Agar

  • SIGMA Xanthine sodium salt >=99%

    MilliporeSigma

    Synonym(s): 2,6-Dihydroxypurine Empirical Formula: C5H3N4NaO2 Linear Formula: C5H3N4NaO2 Formula Weight: 174.09 MDL Number: MFCD00069699 Purity: ≥99%

  • "o-Xylene, for HPLC, 98%"

    MilliporeSigma

    Synonyms: 1,2-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 95-47-6 Purity: 98% Density: 0.879 g/mL at 20 °C(lit.) Legal Information: CHROMASOLV is a registered trademark of Sigma-Aldrich Laborchemikalien GmbH …

  • SIGMA Xylanase from Thermomyces lanuginosus powder, >=2500 units/g, recombinant,…

    MilliporeSigma

    Synonym(s): Pentopan Mono BG ® MDL Number: MFCD00132594 Storage: 2-8°C

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