Reagents, X

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Reagents, X

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  • Xylene, Scintillation Grade, 4 Liter Bottle

    RPI (Research Products International)

    WARNING! This product can expose you to Ethyl benzene, a chemical which is known to the State of California to cause cancer. For more information go to

  • Xylene Cyanol


    A colour marker to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis. Bromophenol blue and orange G can also be used for this purpose. In 1% agarose gels, Xylene cyanol typically migrates at about the same rate as a 4000 base pair DNA fragment. Xylene…

  • 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: …

  • 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: …

  • Xylenes, Histological Grade

    Spectrum Chemical

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

  • m-Xylene, anhydrous, =99%


    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™

  • D-(+)-Xylose, =99%


    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

  • 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

  • SIGMA Xylitol >=99%


    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:…

  • Storage: −20°C UNSPSC Code: 12352200 Components: Enzyme Solution; SuRE/Cut Buffer H 10x concentrated RIDADR: NONH for all modes of transport Analysis Note: SuRE/Cut Buffer System The buffer in bold is recommended for optimal activity • A: 100%…

  • 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…

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

  • Synonyms: Acid Blue 147 CI No 43535 Purity Limit: Dye Content: ≥ 90% (TiCl titration) CAS No.: 4463-44-9 Molecular Formula: C25H27N2O7S2Na Molecular Weight: 554.62 MDL No.: MFCD00019481 Appearance: Dark blue to dark green powder Storage Temperature: Store at RT

  • Xylene Substitute


    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.

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

  • XLD Agar was formulated by Taylor (1-5) for the isolation and differentiation of enteric pathogens including Salmonella Typhi from other Salmonella species. XLD Agar has been recommended for the identification of Enterobacteriaceae (7) and for the microbiological testing of foods, water…

  • m-Xylylenediamine, 0.99


    Synonyms: 1,3-Bis(aminomethyl)benzene; alpha,alpha'-Diamino-m-xylene CAS Number: 1477-55-0 Formula: C8H12N2 Formula Weight: 136.19 Linear Formula: C6H4(CH2NH2)2 MDL No.: MFCD00008119 Purity: 0.99 Boiling Point: 265 C/745 mmHg(lit.) Density: 1.032 g/mL at 25 C(lit.) …

  • 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 Supplement


    for microbiology Synonym(s): Sodium tetradecyl sulfate Empirical Formula: C14H29NaO4S Formula Weight: 316.43 Linear Formula: C14H29NaO4S MDL Number: MFCD00072416 RIDADR: UN 3265 8 / PGII

  • o-Xylene, anhydrous, 97%


    Synonyms: 1,2-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 95-47-6 Purity: 97% Density: 0.879 g/mL at 20 °C(lit.) Packaging: 1, 2 L in Sure/Seal™ Packaging: 100 mL in Sure/Seal™

  • 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…

  • 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…

  • 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.…

  • Synonyms: Acid blue 147Cyanol FFCI 42135 Grade: For Molecular Biology, Bior Purity Limit: Dye Content: ≥ 75% CAS No.: 2650-17-1 Molecular Formula: C25H27N2O6S2Na Molecular Weight: 538.62 MDL No.: MFCD00040657 Appearance: Green to dark green crystalline powder Comments: …

  • Synonyms: 5-Bromo-4-chloro-3-indolyl β-D-galactopyranoside; 5-bromo-4-chloro-3-indolyl-β-d-galactopyranoside; bromo-4-chloro-3-indolyl-β-d-galactopyranoside, 5-; 5-Bromo-4-chloro-3-indolyl β-D-galactoside; BCIG; X-Gal Empirical Formula (Hill Notation): C 14 H 15 BrClNO 6 …

  • XLD Agar Granulated, 500G


    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…

  • Xylenol Orange


    Formula: C31H31N2NaO13S in NaCl Formula Weight: 694.64

  • Xylitol, 99%

    Alfa Aesar

    Formula: C5H12O5 Formula weight: 152.15 Purity: 99% CAS Number: 87-99-0 Harmonized Tariff Code:  2940.00

  • 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 …

  • o-Xylene, 99%

    Alfa Aesar

    Synonym(s): 1,2-Dimethylbenzene Formula: C8H10 Formula weight: 106.17 Purity: 99% 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…

  • Indicator for complexometric titrations.

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