Reagents, X

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  • Xylene Substitute

    Sigma-Aldrich

    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.

  • SIAL Xylidyl blue I

    Sigma-Aldrich

    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: …

  • XLD Agar

    BD

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

  • FLUKA XLD Agar

    Sigma-Aldrich

    for microbiology Synonym(s): Xylose Lysine Deoxycholate Agar

  • SIGMA Xanthine sodium salt >=99%

    Sigma-Aldrich

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

  • o-Xylene, CHROMASOLV® Plus, for HPLC, 98%

    Sigma-Aldrich

    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 …

  • 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.

  • SIGMA Xylitol >=99%

    Sigma-Aldrich

    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:…

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

    Sigma-Aldrich

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

  • Xanthan gum from Xanthomonas campestris

    Sigma-Aldrich

    Synonym: Gum xanthan CAS Number: 1138-66-2 EC Number: 234-394-2 MDL Number: MFCD00131256 Other Notes A polysaccharide containing glucose, mannose, potassium glucuronate, acetate and pyruvate. Forms a hydrophilic colloid. Packaging 100, 500 g in poly bottle …

  • D(+)-Xylose

    bioWORLD

  • SIAL Xylene Cyanol FF

    Sigma-Aldrich

    Dye content 75 % Synonym(s): Acid blue 147; Cyanol FF; XC; Xylene Cyanole FF Empirical Formula: C25H27N2NaO6S2 Formula Weight: 538.61 Linear Formula: C25H27N2NaO6S2

  • SIGMA X-GlcA reagent for selection of recombinant bacterial clones

    Sigma-Aldrich

    Synonym(s): 5-Bromo-4-chloro-3-indolyl β-D-glucuronide cyclohexylammonium salt; X-GlcA; X-glucuronide CHA salt Empirical Formula: C14H13BrClNO7 -+ C6H13N Linear Formula: C14H13BrClNO7 -+…

  • Xylenol Orange

    LaMotte

    Formula: C31H31N2NaO13S in NaCl Formula Weight: 694.64

  • p-Xylene, CHROMASOLV®, for HPLC, =99%

    Sigma-Aldrich

    Synonyms: 1,4-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 106-42-3 Purity: ≥99% Density: 0.861 g/mL at 20 °C(lit.) Legal Information: CHROMASOLV is a registered trademark of Sigma-Aldrich Laborchemikalien…

  • Xylenecyanol FF, dye content 70%

    Alfa Aesar

    Synonym(s): Acid blue 147, C.I. 42135 Formula: C25H27N2NaO6S2 Formula weight: 538.61 CAS Number: 2650-17-1 Harmonized Tariff Code:  3204.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • 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…

  • ALDRICH 3,4-Xylenol, >=98%

    Sigma-Aldrich

    Synonym(s): 3,4-Dimethylphenol; 4-Hydroxy- o -xylene Empirical Formula: C8H10O Linear Formula: (CH3)2C6H3OH Formula Weight: 122.16 MDL Number: MFCD00002304 Purity: ≥98% Boiling Point: 227 °C(lit.)…

  • Xylazine

    Alfa Aesar

    Synonym(s): 2-(2,6-Dimethylphenylamino)-5,6-dihydro-4H-thiazine hydrochloride Formula: C12H16N2S Formula weight: 220.33 CAS Number: 7361-61-7 UN Number: UN2811 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2934.99 Hazard Statements: H301-H315-H319-H335 …

  • XLD Agar Granulated, 500G

    EMD Millipore

    Formula: Mixture Formula Weight: N/A CAS Number: Synonym(s): Xylose Lysine Deoxycholate Agar Description: Typical Composition (g/L): Yeast extract 3.0; sodium chloride 5.0; D(+)xylose 3.5; lactose 7.5; sucrose 7.5; L(+)lysine 5.0; sodium deoxycholate 2.5; sodium thiosulfate…

  • Agar Medium K (Xylose, Lysine, Deoxychol ate Agar)

    HiMedia

    Enterobacteriaceae is a family of gram-negative, non-spore-forming bacilli that contains more than 100 species of bacteria that normally inhabit the intestines of humans and animals. Members forming part of the normal intestinal microflora are referred to as coliforms. The clinically significant…

  • XLT4 Agar Base

    BD

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

  • Xylenol Orange Sodium Salt, Reagent (ACS)

    GFS Chemicals

    Indicator for complexometric titrations.

  • D-(+)-Xylose, =99%

    Sigma-Aldrich

    Formula: C5H10O5 Formula Weight: 150.13 CAS No.: 58-86-6 Purity: ≥99% Quality: White to off-white. Packaging: 1 kg in poly bottle Packaging: 10 mg in autosample vial Packaging: 500 g in poly bottle

  • 2xYT Broth, Powdered

    EMD Millipore

    Synonym: Yeast Extract Tryptone

  • Xanthine =99%

    Sigma-Aldrich

    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…

  • 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…

  • o-Xylene, Spectrophotometric Grade, 96% min

    Alfa Aesar

    Formula: (CH3)2C6H4 Formula weight: 106.17 Purity: 96% min CAS Number: 95-47-6 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2902.41 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour. Harmful in contact with skin. Harmful if…

  • SIAL Xylenes

    Sigma-Aldrich

    ACS reagent, ≥98.5% xylenes + ethylbenzene basis Synonym(s): Xylene mixture of isomers Empirical Formula: C8H10 Formula Weight: 106.17 Linear Formula: C6H4(CH3)2 MDL Number: MFCD00077264 Purity: …

  • Neo-Clear (Xylene Substitute) For Microscopy

    EMD Millipore

    UN No.: UN3295

  • FLUKA p-Xylene

    Sigma-Aldrich

    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: …

  • p-Xylylenebis(triphenylphosphonium chloride), 97+%

    Alfa Aesar

    Formula: C44H38Cl2P2 Formula weight: 699.66 Purity: 97+% CAS Number: 1519-47-7 UN Number: UN3464 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2931.90 Risk Phrases: 20/22-36/37/38 Harmful by inhalation and if swallowed. Irritating to eyes, respiratory…

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