Reagents, X

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  • Xylitol

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): Xylite Empirical Formula: C5H12O5 Formula Weight: 152.15 Linear Formula: HOCH2[CH(OH)]3CH2OH MDL Number: MFCD00064292 Melting Point: …

  • SIGMA Xanthine Oxidase from bovine milk Grade IV, ammonium sulfate suspension, 0…

    MilliporeSigma

    Synonym(s): XOD; Xanthine:oxygen oxidoreductase MDL Number: MFCD00082145 Storage: 2-8°C

  • Xylenes, Histological Grade

    Spectrum Chemical

    Grade: Histological Grade CAS No.: 1330-20-7 UN No.: UN1307 Class: 3 Pkg. Group: PG III

  • Xylenes

    Honeywell

    Storage condition: Room Temperature UN Number: UN 1307 GHS pictograms: GHS07;GHS08;GHS02 Signal Words: Danger H Statements: H312 + H332;H315;H319;H373;H335;H304;H226 P Statements: P284;P280;P260;P302 + P352;P308 + P313;P305 + P351 + P338;P304 + P340;P301 + P330 + P331 Package…

  • 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.

  • Xylenol Orange

    LaMotte

    Formula: C31H31N2NaO13S in NaCl Formula Weight: 694.64

  • 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.

  • XLT4 Agar Base

    BD

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

  • 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:…

  • SIGMA Xanthosine 3',5'-cyclic monophosphate >=98% (HPLC), solid

    MilliporeSigma

    Synonym(s): cXMP MDL Number: MFCD03453038 Purity: ≥98% (HPLC) Storage: −20°C

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  • XLD Agar Granulated, 500G

    MilliporeSigma

    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…

  • 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…

  • SIAL Xylene Cyanol FF

    MilliporeSigma

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

  • Xylenol Orange Sodium Salt, Reagent (ACS)

    GFS Chemicals

    Indicator for complexometric titrations.

  • Xylenol Orange tetrasodium salt, ACS

    Alfa Aesar

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

  • SIAL o-Xylene

    MilliporeSigma

    puriss. p.a., ≥99.0% (GC) Synonym(s): 1,2-Dimethylbenzene Empirical Formula: C8H10 Formula Weight: 106.17 Linear Formula: C6H4(CH3)2 MDL Number: MFCD00008519 Purity: ≥99.0% (GC) Boiling Point: …

  • 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…

  • XLD Agar

    BD

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

  • XLD Agar

    MilliporeSigma

    for microbiology Synonym(s): Xylose Lysine Deoxycholate Agar

  • 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.…

  • SIGMA XAV939 >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 3,5,7,8-Tetrahydro-2-[4-(trifluoromethyl)phenyl]-4H-thiopyrano[4,3-d]pyrimidin-4-one Empirical Formula: C14H11F3N2OS Linear Formula: C14H11F3N2OS Formula Weight: 312.31 MDL Number: …

  • 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: …

  • 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: …

  • 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

    MilliporeSigma

    indicator for metal titration Synonym(s): 3,3'-Bis[ N,N -bis(carboxymethyl)aminomethyl]- o -cresolsulfonephthalein tetrasodium salt Empirical Formula: C31H28N2Na4O13S Formula Weight: 760.58 Linear Formula: …

  • ROCHE X-tremeGENE™ siRNA Transfection Reagent, Polymer reagent for delivering…

    MilliporeSigma

    Storage: 2-8°C UNSPSC Code: 12352200 RIDADR: NONH for all modes of transport Features and Benefits: • Knock down gene expression over 90% in many different cell types. • Maximize experimental flexibility with a single reagent for siRNA- and…

  • ROCHE X-tremeGENE™ HP DNA Transfection Reagent, High-performance polymer reagent…

    MilliporeSigma

    Storage: −20°C UNSPSC Code: 12352200 RIDADR: UN1170 - class 3 - PG 2 - Ethanol, solution Features and Benefits: X-tremeGENE HP DNA Transfection Reagent is a high performance reagent that transfects a broad range of eukaryotic cells, including insect cells and…

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

    MilliporeSigma

    Synonyms: 1,4-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 106-42-3 Purity: ≥99.0% (GC) Density: 0.861 g/mL at 20 °C(lit.)

  • "m-Xylene, analytical standard"

    MilliporeSigma

    Synonyms: 1,3-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 108-38-3 Purity: ≥99.5% (GC) Density: 0.868 g/mL at 25 °C(lit.)

  • SIAL Xylenes

    MilliporeSigma

    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: …

  • XTT sodium salt

    Alfa Aesar

    Synonym(s): 2,3-Bis(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide inner salt Formula: C22H16N7NaO13S2 Formula weight: 673.52 CAS Number: 111072-31-2 Harmonized Tariff Code:  2933.99

  • "o-Xylene, analytical standard"

    MilliporeSigma

    Synonyms: 1,2-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 95-47-6 Purity: ≥99.5% (GC) Density: 0.879 g/mL at 20 °C(lit.)

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