Reagents, L

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Reagents, L

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  • SIGMA Lugol solution

    MilliporeSigma

    Synonym(s): Iodine/Potassium iodide solution

  • L-Lysine dihydrochloride, 99%

    Alfa Aesar

    Formula: C6H14N2O2 2HCl Formula weight: 219.11 Purity: 99% CAS Number: 657-26-1 Harmonized Tariff Code:  2922.41

  • SIGMA Lipase Substrate for the titrimetric determination of enzyme activity

    MilliporeSigma

    Density: 1.05 g/mL at 20 °C Refractive Index: n 20/D 1.36 Storage: 2-8°C

  • Luria-Bertani (LB) Agar Plates

    bioWORLD

    Prepoured, 100x15 mm plates with Luria-Bertani (LB) Agar pH: 7.0 Keep away from continuous exposure to light Contains: 1% tryptone 0.5% yeast extract 1.0% NaCl 1.5% agar All plates have a guaranteed shelf life of 5 weeks from date of shipment.

  • L-Glutamic acid ^a-(7-amido-4-methylcoumarin)

    Alfa Aesar

    Synonym(s): H-Glu-AMC, Glutamic acid-AMC Formula: C15H16N2O5 Formula weight: 304.30 CAS Number: 98516-76-8 Harmonized Tariff Code:  2932.20

  • Lithium tetraborate, =99.9% trace metals basis, 20 µm

    MilliporeSigma

    Formula: Li2B4O7 Formula Weight: 169.12 CAS No.: 12007-60-2 Purity: ≥99.9% trace metals basis Density: ≥0.25 g/mL at 25 °C(lit.) Application: Used as a spectroscopic fluxing agent. Packaging: 1 kg in poly bottle Packaging: 250 g in…

  • ALDRICH LUDOX® HS-40 collodial silica, 40wt. % suspension in H2O

    MilliporeSigma

    Synonym(s): Silica preparation Formula: SiO2 Formula Weight: 60.08 CAS No.: 7631-86-9 Density: 1.3g/mLat 25°C Application: sodium stabilizing counterion Legal Information: LUDOX is a registered trademark of W.R. Grace & Co.-Conn. Packaging: 18 L in VerSA-Flow™

  • SIGMA Lipid Mixture 1, Chemically Defined, liquid, sterile-filtered, BioReagent,…

    MilliporeSigma

    Application: Recommended for use in cell culture at 1 to 10 mL per liter of medium. Other Notes: Contains non-animal derived fatty acids (2-áμg/ml arachidonic and 10-áμg/ml each linoleic, linolenic, myristic, oleic, palmitic and stearic), 0.22-ámg/ml cholesterol from New Zealand…

  • L-Methionine, 98+%

    Alfa Aesar

    Synonym(s): (S)-2-Amino-4-(methylthio)butyric acid, H-Met-OH Formula: C5H11NO2S Formula weight: 149.21 Purity: 98+% CAS Number: 63-68-3 Harmonized Tariff Code:  2930.40

  • LB Lennox Agar

    IBI Scientific

    IBI’s LB Agar Lennox is used in molecular genetic studies. It is a nutritionally rich media for the growth and maintenance of pure cultures of recombinant strains of E.coli. The inclusion of casein peptone and yeast extract supply essential growth factors, such as nitrogen, carbon, sulfur,…

  • Lauryl Sulfate Broth Granulated

    MilliporeSigma

    Selective culture medium used as a presumptive test for coliform bacteria and for the selective enrichment of coliform organisms in the analysis of water. Synonym(s): Lauryl Sulfate Tryptose Broth (LST) Typical Composition (g/L): Tryptose 20.0; lactose 5.0; sodium chloride 5.0; sodium lauryl…

  • Lactose Broth Granulated

    MilliporeSigma

    Inhibitor-free culture medium used as a preliminary test for coliform bacteria, especially E. coli . Also used for the pre-enrichment of Salmonella in food samples Typical Composition (g/L): Peptone from gelatin 5.0; meat extract 3.0; lactose 5.0. Preparation: 13.0g/L

  • LB Broth (Miller's modification)

    Alfa Aesar

    Harmonized Tariff Code:  3821.00

  • Lithium Standard

    Ultra Scientific

    1 Analyte(s) @ 1000 µg/mL in water with dilute nitric acid

  • L-Glutamic acid hydrochloride, 99%

    Alfa Aesar

    Synonym(s): L-2-Aminoglutaric acid hydrochloride, H-Glu-OH.HCl Formula: C5H9NO4 HCl Formula weight: 183.59 Purity: 99% CAS Number: 138-15-8 Harmonized Tariff Code:  2922.42 Hazard Statements: H318-H335-H315 Causes serious eye damage. May cause respiratory irritation. Causes skin…

  • SIAL Lithium hydroxide monohydrate

    MilliporeSigma

    BioXtra, 98.5-101.5% (titration) Synonym(s): Amino Acid Sequence: Empirical Formula: HLiO -+ H2O Formula Weight: 41.96 Linear Formula: LiOH -+ H2O MDL Number: MFCD00149772 Purity: 98.5-101.5% (titration) Boiling Point: Melting Point: …

  • Levofloxacin, 98%

    Alfa Aesar

    Formula: C18H20FN3O4 Formula weight: 361.37 Purity: 98% CAS Number: 100986-85-4 Harmonized Tariff Code:  2934.99 Hazard Statements: H334-H302-H317 May cause allergy or asthma symptoms or breathing difficulties if inhaled. Harmful if swallowed. May cause an allergic skin reaction. …

  • Legionella in Water PT - WP

    MilliporeSigma

    Storage: 2-8°C Components: Legionella 0.00 - 50000 CFU/mL

  • Lithium chloride, BioXtra, =99.0% (titration)

    MilliporeSigma

    Formula: LiCl Formula Weight: 42.39 CAS No.: 7447-41-8 Purity: ≥99.0% (titration)

  • ALDRICH Lithium methoxide, 98%

    MilliporeSigma

    Synonym(s): Lithium methylate Empirical Formula: CH3LiO Linear Formula: CH3OLi Formula Weight: 37.97 MDL Number: MFCD00036357 Purity: 98% Beilstein Registry Number: 3552389

  • ALDRICH L-Histidine-15N3, 95 atom % 15N

    MilliporeSigma

    Empirical Formula: C6H8 15 N3O2 Linear Formula: C6H8 15 N3O2 Formula Weight: 157.13 MDL Number: MFCD04118132 Melting Point: 282 °C(lit.)

  • Lanthanum(III) oxide

    MilliporeSigma

    Hill Formula: La2O3 CAS Number: 1312-81-8

  • Lithium chloride, ReagentPlus®, 99%

    MilliporeSigma

    Formula: LiCl Formula Weight: 42.39 CAS No.: 7447-41-8 Purity: 99% Legal Information: ReagentPlus is a registered trademark of Sigma-Aldrich Co. LLC Packaging: 100, 500 g in poly bottle Packaging: 12 kg in poly drum Packaging: 2 kg in poly bottle

  • LB Lennox Broth

    IBI Scientific

    IBI’s LB Lennox Broth is used in molecular genetic studies. It is a nutritionally rich media for the growth and maintenance of pure cultures of recombinant strains of E.coli. The inclusion of casein peptone and yeast extract supply essential growth factors, such as nitrogen, carbon, sulfur,…

  • Lead(II) carbonate, basic, ACS

    Alfa Aesar

    Synonym(s): White lead, C.I. 77597 Formula: C2H2O8Pb3 Formula weight: 775.63 CAS Number: 1319-46-6 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2836.99 Hazard Statements: H301-H360-H373-H332 Toxic if swallowed. May damage fertility or the…

  • LB Broth (Lennox)

    Alfa Aesar

    Synonym(s): Luria Bertani Broth (Lennox) Harmonized Tariff Code:  3821.00

  • SIGMA LONG® R3 IGF-I human, recombinant, expressed in E. coli, Recombinant…

    MilliporeSigma

    Formula: C400H619N111O115S9 Formula Weight: 9111.45 CAS No.: 143045-27-6 Purity: ≥95% (HPLC) Application: LONG R IGF-I is a recombinant analog of human insulin-like growth factor-I (IGF-I) that has been specifically…

  • L-^b-Homoleucine hydrochloride, 95%

    Alfa Aesar

  • Lithium Hydroxide

    Amresco

    Grade: Reagent Molecular Weight: 41.96

  • ALDRICH Lanthanum gallate, strontium and magnesium doped, powder, 0.3-0.6µm, 99%…

    MilliporeSigma

    Synonym(s): Gallium lanthanum magnesium strontium oxide; LSGM; LSGM 8282; Lanthanum Strontium Gallate Magnesite; Strontium and Magnesium doped Lanthanum Gallate Empirical Formula: La0.8Sr0.2Ga0.8Mg0.2O3 Linear Formula: …

  • Bottle LB Agar Miller 500G

    BD

    Description: Propagation and maintenance of E. coli for molecular biology. Contains 10g/L NaCl

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