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Reagents, L

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  • L-Cysteine hydrochloride, anhydrous, =98% (TLC)

    Sigma-Aldrich

    CAS Number: 52-89-1 Linear Formula: HSCH2CH(NH2)COOH · HCl Molecular Weight : 157.62 Beilstein Registry Number: 3560277 EC Number: 200-157-7 MDL Number: MFCD00064553 PubChem Substance ID: 24892395 Biochem/physiol Actions …

  • SIAL L-(+)-Tartaric acid

    Sigma-Aldrich

    ACS reagent, ≥99.5% Synonym(s): (2 R ,3 R )-(+)-Tartaric acid; L-Threaric acid Empirical Formula: C4H6O6 Formula Weight: 150.09 Linear Formula: HO2CCH(OH)CH(OH)CO2H MDL Number: MFCD00064207 Purity: ≥99.5% …

  • 6X Loading Dye

    IBI Scientific

    IBI’s ready-to-use 6X loading dye is ideally suited for agarose electrophoresis of DNA, RNA, or nucleic acids. Its ultra pure grade ensures quality and repeatibility every time you use it. The light blue, indigo, and magenta dyes will clearly show the migration of each run, and the dyes…

  • LB Broth MILLER Granulated

    EMD Millipore

    Used in molecular microbiology procedures for maintaining and propagating E. coli. Typical Composition (g/L): Tryptone 10.0; yeast extract 5.0; sodium chloride 10.0 Preparation: 25.0g/L

  • LB Broth

    BD

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

  • FLUKA Litmus paper, neutral,

    Sigma-Aldrich

    General description: violet indicator paper which changes to red under acid conditions and to blue under alkaline conditions Packaging: 1 Package = 5 booklets with 100 strips each

  • FLUKA Lead Standard for AAS

    Sigma-Aldrich

    TraceCERT ® , 1000 mg/L Pb in nitric acid RIDADR: UN 3264 8 / PGIII

  • Lecithin, Refined

    Alfa Aesar

    Synonym(s): Phosphatidylcholine CAS Number: 8002-43-5 Harmonized Tariff Code:  2923.20

  • 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-Ascorbic Acid

    Hach

    Analytical Grade, CAS No. 50-81-7. 100g Bottle.

  • SIGMA L-Ascorbic acid 2-phosphate sesquimagnesium salt hydrate >=95%

    Sigma-Aldrich

    Empirical Formula: C6H6Mg1.5O9P -+ xH2O Linear Formula: C6H6Mg1.5O9P -+ xH2O Formula Weight: 289.54 (anhydrous basis) Purity: ≥95%

  • ALDRICH L-Alanine-13C3,15N, 98 atom % 15N, 98 atom % 13C

    Sigma-Aldrich

    Empirical Formula: 13 C3H7 15 NO2 Linear Formula: 13 CH3 13 CH( 15 NH2) 13 CO2H Formula Weight: 93.06 MDL Number: MFCD00144541 Melting Point: 314.5 °C (dec.)(lit.)

  • Bottle LB Agar Miller 500G

    BD

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

  • L-Glutathione oxidized >=98% (HPLC)

    Sigma-Aldrich

    Synonym(s): GSSG; Glutathiol Empirical Formula: C20H32N6O12S2 Linear Formula: C20H32N6O12S2 Formula Weight: 612.63 MDL Number: MFCD00063106 Purity: ≥98% (HPLC) …

  • ALDRICH Lithium carbonate, 99.99% trace metals basis

    Sigma-Aldrich

    Synonym(s): Carbolithium; Carbonic acid lithium salt Empirical Formula: CLi2O3 Linear Formula: Li2CO3 Formula Weight: 73.89 MDL Number: MFCD00011084 Purity: 99.99% trace metals basis Melting Point: 618 °C(lit.) Density: …

  • Lithium aluminum hydride, 95% min

    Alfa Aesar

    Synonym(s): LAH, Lithium tetrahydridoaluminate Formula: LiAlH4 Formula weight: 37.95 Purity: 95% min CAS Number: 16853-85-3 UN Number: UN1410 Hazard Class: 4.3 Packing Group: I Harmonized Tariff Code:  2850.00 Hazard Statements: H260-H301-H314-H318 In contact with water…

  • Lauryl Tryptose Broth

    Hach

    Selectivity: Total Coliform Bacteria (presumptive) 1-year shelf life at room temperature Lauryl Tryptose is available in three forms: Broth in ampules Broth in tubes, single strength Broth in tubes, concentrated

  • Suprapur® Lithium Fluoride

  • SIGMA L-(-)-Dithiothreitol >=95%

    Sigma-Aldrich

    Synonym(s): (−)-Cleland's Reagent; (2R,3R)-1,4-Dimercapto-2,3-butanediol; L-DTT; Cleland reagent chiral Empirical Formula: C4H10O2S2 Linear Formula: C4H10O2S2 Formula Weight: 154.25 MDL Number:…

  • Lithium 4,5-dicyano-2-(trifluoromethyl)imidazole, 95%

    Alfa Aesar

    Synonym(s): LiTDI Formula: C6F3LiN4 Formula weight: 192.03 Purity: 95% Harmonized Tariff Code:  2933.29 Hazard Statements:

  • SIGMA L-Norleucine >=98% (TLC)

    Sigma-Aldrich

    Synonym(s): ( S )-(+)-2-Aminohexanoic acid; ( S )-2-Aminocaproic acid Empirical Formula: C6H13NO2 Linear Formula: CH3(CH2)3CH(NH2)CO2H Formula Weight: 131.17 MDL Number: MFCD00064423 Purity: …

  • FLUKA Loperamide hydrochloride

    Sigma-Aldrich

    European Pharmacopoeia (EP) Reference Standard Synonym(s): 4-( p -Chlorophenyl)-4-hydroxy- N,N -dimethyl-α,α-diphenyl-1-piperidinebutyramide hydrochloride Empirical Formula: C29H33ClN2O2 -+ HCl Formula Weight: 513.50 Linear Formula: …

  • L-Isoleucine, United States Pharmacopeia (USP) Reference Standard

    Sigma-Aldrich

    CAS No.: 73-32-5 Synonyms: (2 S ,3 S )-2-Amino-3-methylpentanoic acid Formula: C6H13NO2 Formula Weight: 131.17 Linear Formula: C2H5CH(CH3)CH(NH2)CO2H MDL No.: MFCD00064222 Melting Point: …

  • Lauryl Sulfate Broth

    BD

    Description: For detection of coliform bacteria

  • SIGMA Lanatoside C >=95%

    Sigma-Aldrich

    Empirical Formula: C49H76O20 Linear Formula: C49H76O20 Formula Weight: 985.12 MDL Number: MFCD00869432 Purity: ≥95% Storage: −20°C

  • Lyophilized Ready PCR Mix, 2X

    Amresco

      Eliminates ethidium bromide hazards Increases ready mix stability and room temperature storage Streamlines PCR sample handling and processing Lyophilized Ready PCR Mix, 2X, offers the same conveniences of our Ready PCR Mix, 2X, but in a lyophilized form, allowing…

  • Lanthanum(III) chloride heptahydrate, REacton r, 99.99% (REO)

    Alfa Aesar

    Formula: LaCl3 7H2O Formula weight: 371.37 (245.27anhy) Purity: 99.99% (REO) CAS Number: 10025-84-0 Harmonized Tariff Code:  2846.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • FLUKA Lactose TTC Agar with Tergitol®-7

    Sigma-Aldrich

    for microbiology Synonym(s): TTC-Tergitol-7 Agar; m-Tergitol-7 Agar with Meat Extract

  • Lead(IV) oxide, 97%

    Alfa Aesar

    Synonym(s): Lead dioxide, Lead peroxide Formula: PbO2 Formula weight: 239.19 Purity: 97% CAS Number: 1309-60-0 UN Number: UN1872 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2824.90 Hazard Statements: H360-H373-H272-H302-H332 May damage fertility or the…

  • FLUKA L-Glutamic acid

    Sigma-Aldrich

    pharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): ( S )-2-Aminopentanedioic acid; Glu Empirical Formula: C5H9NO4 Formula Weight: 147.13 Linear Formula: HO2CCH2CH2CH(NH2)CO2H …

  • SUPELCO Lipid standards: triglyceride mixtures

    Sigma-Aldrich

    analytical standard Storage: −20°C Components: Glyceryl tridecanoate ~ 20 mg; Glyceryl tridodecanoate ~ 20 mg; Glyceryl trimyristate ~ 20 mg; Glyceryl trioctanoate ~ 20 mg; Tripalmitin ~ 20 mg

  • SIGMA Leupeptin hydrochloride microbial, >=70% (HPLC)

    Sigma-Aldrich

    Synonym(s): Acetyl-Leu-Leu-Arg-al hydrochloride Empirical Formula: C20H38N6O4 -+ HCl Linear Formula: C20H38N6O4 -+ HCl Formula Weight: 463.01 MDL Number: MFCD00133457 Purity: ≥70% (HPLC) …

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