Reagents, L

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Reagents, L

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  • Listeria Selective Enrichment Supplement according to FDA

    MilliporeSigma

    for microbiology Storage: 2-8°C RIDADR: UN 2811 6.1 / PGI

  • ALDRICH Luperox® 531M80, 1,1-Bis(tert-amylperoxy)cyclohexane solution, 80wt. %…

    MilliporeSigma

    Synonym(s): 1,1-Bis( tert -amylperoxy)cyclohexane solution Empirical Formula: C16H32O4 Linear Formula: C6H10[OOC(CH3)2C2H5]2 Formula Weight: 288.42 MDL Number: MFCD01863712 …

  • L-Propargylglycine ; >/= 99% (HPLC, Chiral purity)

    AFG Bioscience

    Synonyms: L-Pra-OHL-Propargyl-Gly-OH(S)-2-Amino-4-pentynoic acid Purity Limit: ≥ 99% (HPLC, Chiral purity) CAS No.: 23235-01-0 Molecular Formula: C5H7NO2 Molecular Weight: 113.10 MDL No.: MFCD00077855 Appearance: White powder Storage Temperature: Store at 0-8 °C

  • L-Tyrosine benzyl ester ; >/= 98% (HPLC)

    AFG Bioscience

    Synonyms: L-Tyr-OBzl Purity Limit: ≥ 98% (HPLC) CAS No.: 42406-77-9 Molecular Formula: C16H17NO3 Molecular Weight: 271.30 MDL No.: MFCD00191034 Appearance: White powder Melting Point: 119-124 ºC Optical Rotation: [a]D20 = -13 ± 2º (C=2 in MeOH) Storage Temperature: …

  • L-Thyroxine (T4) solution

    MilliporeSigma

    100 μg/mL in methanol with 0.1N NH3, ampule of 1 mL, certified reference material Synonym(s): L-Thyroxine; 3,3',5,5"-Tetraiodo-L-thyronine; 3-[4-(4-Hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]-L-alanine; T4 Amino Acid Sequence: Empirical Formula: …

  • Lead Metal, 1/24 - 1/8 in. Thick, Sheet

    Spectrum Chemical

    CAS No.: 7439-92-1

  • Lanthanum Plasma Emission Standard, 1 ml = 10 mg La

    Spectrum Chemical

    UN No.: UN2031 Class: 8 Pkg. Group: PG II

  • SIGMA LIGHT from mouse recombinant, expressed in E. coli, >=96% (SDS-PAGE), >=96…

    MilliporeSigma

    Synonym(s): HVEM-L; TNFSF14 Purity: ≥96% (HPLC); ≥96% (SDS-PAGE) Storage: −20°C

  • Levetiracetam impurity A

    MilliporeSigma

    European Pharmacopoeia (EP) Reference Standard Synonym(s): (2 RS )-2-(2-Oxopyrrolidin-1-yl)butanoic acid Empirical Formula: C8H13NO3 Formula Weight: 171.19 Linear Formula: C8H13NO3

  • Lead(II) oxide, 99.99% (metals basis)

    Alfa Aesar

    Formula: OPb Formula weight: 223.19 Purity: 99.99% (metals basis) CAS Number: 1317-36-8 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2824.10 Hazard Statements: H360-H373-H302-H332 May damage fertility or the unborn child. May cause damage…

  • SIGMA L-Cystathionine >=98% (TLC)

    MilliporeSigma

    Synonym(s): ( R )-S-(2-Amino-2-carboxyethyl)-L-homocysteine Empirical Formula: C7H14N2O4S Linear Formula: C7H14N2O4S Formula Weight: 222.26 MDL Number: MFCD00036685 Purity: ≥98% (TLC) …

  • Levofloxacin

    MilliporeSigma

    analytical reference material Synonym(s): (−)-Ofloxacin Empirical Formula: C18H20FN3O4 Formula Weight: 361.37 Linear Formula: C18H20FN3O4 MDL Number: MFCD00865049 Purity: ≥97.5%…

  • ALDRICH Lithium sulfate, >=98.5% (titration)

    MilliporeSigma

    Empirical Formula: Li2O4S Linear Formula: Li2SO4 Formula Weight: 109.94 MDL Number: MFCD00011086 Purity: ≥98.5% (titration) Melting Point: 845 °C(lit.) Density: 2.22 g/mL at 25 °C(lit.)

  • Lithium tantalum oxide, 99.9% (metals basis)

    Alfa Aesar

    Synonym(s): Lithium tantalate, Lithium metatantalate Formula: LiTaO3 Formula weight: 235.89 Purity: 99.9% (metals basis) CAS Number: 12031-66-2 Harmonized Tariff Code:  2841.90

  • Lead(II) carbonate, basic, 99% (metals basis)

    Alfa Aesar

    Synonym(s): White lead, C.I. 77597 Formula: C2H2O8Pb3 Formula weight: 775.63 Purity: 99% (metals basis) 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.…

  • Lorazepam Related Compound A

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): 3-(Acetyloxy)-7-chloro-5-(2-chlorophenyl)-1,3-dihydro-2 H -1,4-benzodiazepin-2-one; (±)-Lorazepam Empirical Formula: C17H12Cl2N2O3 Formula Weight: 363.19 Linear…

  • L-Serine methyl ester hydrochloride, 98%

    Alfa Aesar

    Synonym(s): H-Ser-OMe.HCl Formula: C4H9NO3 HCl Formula weight: 155.58 Purity: 98% CAS Number: 5680-80-8 Harmonized Tariff Code:  2922.50

  • SIAL L-(+)-Lactic acid solution

    MilliporeSigma

    meets analytical specification of Ph.-áEur., BP, 88-92% total acid basis Synonym(s): ( S )-2-Hydroxypropionic acid; Sarcolactic acid Empirical Formula: C3H6O3 Formula Weight: 90.08 Linear Formula: C3H6O3 MDL…

  • Lithium perchlorate anhydrous ; ACS reagent ; >/= 95.0% (Titration)

    AFG Bioscience

    Grade: ACS reagent Purity Limit: ≥ 95.0% (Titration) CAS No.: 7791-03-9 Molecular Formula: LiClO4 Molecular Weight: 106.39 MDL No.: MFCD00011079 Appearance: White crystals or chunks Comments: Used as an oxidizing agent. Melting Point: 236 °C (Approx.) Storage…

  • Lead EnviroConcentrate

    Ultra Scientific

    1 Analyte(s) @ 10,000 µg/mL in water with dilute nitric acid

  • Lead, Oil based standard solution, Specpure r, Pb 1000µg/g

    Alfa Aesar

    Harmonized Tariff Code:  3822.00 Hazard Statements: H360-H373 May damage fertility or the unborn child. May cause damage to organs through prolonged or repeated exposure. Precautionary Statements: P273-P201-P308+P313 Avoid release to the environment. Obtain special instructions before use.…

  • Lidocaine

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): 2-Diethylamino- N -(2,6-dimethylphenyl)acetamide; Lignocaine; Xylocaine Empirical Formula: C14H22N2O Formula Weight: 234.34 Linear Formula: C14H22N2O MDL…

  • Lactobionic acid cell impermeant agent

    MilliporeSigma

    Application Cell impermeant agent used for organ preservation Biochem/physiol Actions Reported to inhibit production of hydroxyl radicals.1 Cryptic inhibitor of matrix metalloproteinases (MMP).2 Resistant to dietary metabolism but stimulates intestinal calcium absorption in rat.3 …

  • SIGMA Lectin from Phaseolus vulgaris (red kidney bean) Leucoagglutinin PHA-L,…

    MilliporeSigma

    Synonym(s): Phaseolus vulgaris agglutinin; PHA Storage: 2-8°C

  • Lycopene, Redivivo™ 10% FS, ~10% in corn oil, =95.0% (sum of isomers)

    MilliporeSigma

    Synonym: Lycopene, dispersion CAS Number: 502-65-8 Empirical Formula (Hill Notation): C40H56 Molecular Weight: 536.87 EC Number: 232-281-2 MDL Number: MFCD00017350 Other Notes REDIVIVO is a non-toxic, stable formulation of lycopene…

  • SIGMA Lectin from Arachis hypogaea (peanut) agarose conjugate, saline suspension

    MilliporeSigma

    Synonym(s): PNA; Peanut agglutinin Storage: 2-8°C

  • L-Cystine

    Spectrum Chemical

    CAS No.: 56-89-3

  • Lorazepam Related Compound B

    MilliporeSigma

    United States Pharmacopeia (USP) Reference Standard Synonym(s): 2-Amino-2',5-dichlorobenzophenone Empirical Formula: C13H9Cl2NO Formula Weight: 266.12 Linear Formula: H2NC6H3(Cl)COC6H4Cl MDL…

  • Lithium dimethylamide, 96%

    Alfa Aesar

    Formula: C2H6LiN Formula weight: 51.02 Purity: 96% CAS Number: 3585-33-9 UN Number: UN3393 Hazard Class: 4.2 Packing Group: I Harmonized Tariff Code:  2921.11 Hazard Statements: H250-H261-H314-H318 Catches fire spontaneously if exposed to air. In contact with water…

  • L-Serine benzyl ester benzenesulfonate (salt), >=98.0% (HPLC)

    MilliporeSigma

    CAS No.: 3695-68-9 Formula: C10H13NO3 ¬? C6H6O3S Formula Weight: 353.39 Linear Formula: C10H13NO3 ¬? C6H6O3S MDL No.: MFCD06201000 Purity: ≥98.0% (HPLC)

  • SIGMA Leonurine >=98% (HPLC)

    MilliporeSigma

    Synonym(s): 4-Guanidino-1-butanol syringate; 4-Guanidinobutyl 4-hydroxy-3,5-dimethoxybenzoate; SCM-198 Empirical Formula: C14H21N3O5 Linear Formula: C14H21N3O5 Formula Weight: 311.33 Purity: …

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