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  • FLUKA Lactose TTC Agar with Tergitol®-7

    Sigma-Aldrich

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

  • FLUKA Lidocaine, pharmaceutical secondary standard; traceable to USP, PhEur and…

    Sigma-Aldrich

    Synonyms: 2-Diethylamino- N -(2,6-dimethylphenyl)acetamide; Lignocaine; Xylocaine Formula: C14H22N2O Formula Weight: 234.34 CAS No.: 137-58-6 Biochem/physiol Actions: Na + channel blocker; class IB antiarrhythmic that is rapidly absorbed after…

  • ALDRICH L-Arginine, 99%, FCC

    Sigma-Aldrich

    Synonym(s): ( S )-2-Amino-5-guanidinopentanoic acid Empirical Formula: C6H14N4O2 Linear Formula: H2NC(=NH)NH(CH2)3CH(NH2)CO2H Formula Weight: 174.20 MDL Number: MFCD00002635 Purity: …

  • SIGMA Lipopolysaccharides from Escherichia coli 0111:B4, y-irradiated, BioXtra,…

    Sigma-Aldrich

    Application: Lipopolysaccharides (LPSs) are characteristic components of the cell wall of Gram-negative bacteria. LPS and its lipid A moiety stimulate cells of the innate immune system by the Toll-like receptor 4 (TLR4), a member of the Toll-like receptor protein family, which recognizes common…

  • SIGMA Lectin from Phytolacca americana (pokeweed) lyophilized powder

    Sigma-Aldrich

    Synonym(s): PWM; Pokeweed mitogen MDL Number: MFCD00161973 Storage: 2-8°C

  • SIGMA Lipopolysaccharides from Escherichia coli 055:B5, y-irradiated, BioXtra,…

    Sigma-Aldrich

    Application: Lipopolysaccharides (LPSs) are characteristic components of the cell wall of Gram-negative bacteria. LPS and its lipid A moiety stimulate cells of the innate immune system by the Toll-like receptor 4 (TLR4). Storage: 2-8°C

  • SIGMA (Lauryldimethylammonio)acetate >=95% (HPLC)

    Sigma-Aldrich

    Synonym(s): (Dodecyldimethylammonio)acetate; N -Dodecyl- N , N -dimethylglycine; Laurylbetaine; Lauryldimethylaminoacetic acid betaine; Lauryldimethylbetaine Empirical Formula: C16H33NO2 Linear Formula: C16H33NO2 Formula…

  • ALDRICH L-Rhamnose, natural, 99%

    Sigma-Aldrich

    Synonym(s): L-Rhamnose; 6-Deoxy-L-mannose; 6-Deoxyhexopyranose; 6-Deoxymannose; 6-Deoxy-L-mannose; 6-Deoxyhexopyranose; 6-Deoxymannose Empirical Formula: C6H12O5 Linear Formula: C6H12O5 Formula Weight: 164.16 MDL Number: …

  • ALDRICH L-Isoleucine, 99%, FCC

    Sigma-Aldrich

    Synonym(s): (2 S ,3 S )-2-Amino-3-methylpentanoic acid Empirical Formula: C6H13NO2 Linear Formula: C2H5CH(CH3)CH(NH2)CO2H Formula Weight: 131.17 MDL Number: MFCD00064222 Purity: 99% Melting…

  • SIGMA Lectin from Pseudomonas aeruginosa lyophilized powder

    Sigma-Aldrich

    Synonym(s): PA-I MDL Number: MFCD00165587 Storage: −20°C

  • FLUKA Lauryl sulfate Broth

    Sigma-Aldrich

    for microbiology Synonym(s): Lauryl Casein peptone Broth MDL Number: MFCD00067711 Beilstein Registry Number: 1710530

  • FLUKA (R)-(+)-Limonene, analytical standard, for terpene analysis

    Sigma-Aldrich

    Synonyms: (+)- p -Mentha-1,8-diene; (+)-Carvene; ( R )-4-Isopropenyl-1-methyl-1-cyclohexene Formula: C10H16 Formula Weight: 136.23 CAS No.: 5989-27-5 Purity: ≥99.0% (sum of enantiomers, GC) Density: 0.842 g/mL at 20 °C(lit.) Storage Temperature: 2-8°C …

  • SIGMA Luteolin >=98% (TLC), powder

    Sigma-Aldrich

    Synonym(s): 3',4',5,7-Tetrahydroxyflavone Empirical Formula: C15H10O6 Linear Formula: C15H10O6 Formula Weight: 286.24 MDL Number: MFCD00017309 Purity: ≥98% (TLC) Melting Point: ~330 °C(lit.) Storage:…

  • ALDRICH Lead(II) bromide, >=98%

    Sigma-Aldrich

    Empirical Formula: Br2Pb Linear Formula: PbBr2 Formula Weight: 367.01 MDL Number: MFCD00011156 Purity: ≥98% Boiling Point: 892 °C(lit.) Melting Point: 371 °C(lit.) Density: 6.66 g/mL at 25 °C(lit.)

  • SIGMA Levofloxacin >=98.0% (HPLC)

    Sigma-Aldrich

    Synonym(s): (−)-Ofloxacin Empirical Formula: C18H20FN3O4 Linear Formula: C18H20FN3O4 Formula Weight: 361.37 MDL Number: MFCD00865049 Purity: ≥98.0% (HPLC) Beilstein Registry Number:…

  • SIGMA LB Broth with agar EZMix™ Powder (Lennox) Microbial growth medium

    Sigma-Aldrich

    Storage: room temp

  • LB Agar Kanamycin-50, Plates, pre-poured agar plates with 50 ug/ml kanamycin

    Sigma-Aldrich

    Components 15g/L Agar 10g/L Tryptone 10g/L NaCl 5g/L Yeast Extract 50µg/ml kanamycin Application Suitable for selective cultivation of E. coli strains that contain plasmids conferring kanamycin resistance. The bacteria can be used for DNA plasmid production or production of…

  • D-Lactose monohydrate, ACS reagent

    Sigma-Aldrich

    Synonyms: β-D-Gal-(1→4)-D-Glc; 4-O-β-D-Galactopyranosyl-D-glucose; Milk sugar Formula: C12H22O11 · H2O Formula Weight: 360.31 CAS No.: 64044-51-5 Packaging: 2 kg in poly bottle Packaging: 25 g in poly bottle

  • ALDRICH Lanthanum borate, powder, -200mesh, 99.9% trace metals basis

    Sigma-Aldrich

    Synonym(s): Boron lanthanum oxide; Lanthanum orthoborate Linear Formula: LaBO3 MDL Number: MFCD00049469 Purity: 99.9% trace metals basis Melting Point: >300 °C

  • SIGMA L-Leucine, reagent grade, =98% (TLC)

    Sigma-Aldrich

    Synonyms: ( S )-2-Amino-4-methylpentanoic acid Formula: (CH3)2CHCH2CH(NH2)CO2H Formula Weight: 131.17 CAS No.: 61-90-5 Purity: ≥98% (TLC) Packaging: 1 kg in poly bottle Packaging: 25, 50, 100, 250 g in poly bottle

  • FLUKA L-Alanine

    Sigma-Aldrich

    pharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): ( S )-2-Aminopropionic acid; L-α-Aminopropionic acid Empirical Formula: C3H7NO2 Formula Weight: 89.09 Linear Formula: C3H7NO2 MDL Number: …

  • SIAL L-Phenylalanine

    Sigma-Aldrich

    reagent grade, ≥98% Synonym(s): ( S )-2-Amino-3-phenylpropionic acid Empirical Formula: C9H11NO2 Formula Weight: 165.19 Linear Formula: C6H5CH2CH(NH2)CO2H MDL Number: MFCD00064227 …

  • FLUKA L-Alanine

    Sigma-Aldrich

    certified reference material, TraceCERT ® Synonym(s): ( S )-2-Aminopropionic acid; L-α-Aminopropionic acid Empirical Formula: C3H7NO2 Formula Weight: 89.09 Linear Formula: C3H7NO2 MDL Number: MFCD00064410 …

  • SIGMA L-(+)-Lactic acid solution ~40% in H2O

    Sigma-Aldrich

    Synonym(s): ( S )-2-Hydroxypropionic acid; Sarcolactic acid Empirical Formula: C3H6O3 Linear Formula: C3H6O3 Formula Weight: 90.08 MDL Number: MFCD00064266 Beilstein Registry Number: 1720251

  • FLUKA L-Serine

    Sigma-Aldrich

    certified reference material, TraceCERT ® Synonym(s): ( S )-2-Amino-3-hydroxypropionic acid Empirical Formula: C3H7NO3 Formula Weight: 105.09 Linear Formula: HOCH2CH(NH2)CO2H MDL Number: MFCD00064224 Melting…

  • SIGMA LuminoCt® SYBR® Green qPCR ReadyMix™ For fast SYBR Green quantitative PCR

    Sigma-Aldrich

    Synonym(s): LuminoCt ® Storage: −20°C Included Fees: C961L16 has a Dry/Wet Ice Fee included in the price. C961L17 has a Dry/Wet Ice Fee included in the price. C961L18 has a Dry/Wet Ice Fee included in the price. To see the value of these fees, download our Fee List.

  • Lectin from Phaseolus vulgaris (red kidney bean) Phytohemagglutinin PHA-P,…

    Sigma-Aldrich

    Analysis Note Potency and solubility expressed in mg lectin/ml Biochem/physiol Actions PHA consists of two molecular species, an erythroagglutinin (PHA-E) which has low mitogenic activity and high erythroagglutinin activity, and leucoagglutinin (PHA-L) which has high mitogenic and…

  • SIGMA L-Norleucine suitable for amino acid analysis, BioReagent

    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 Melting…

  • Lysine Iron Agar for microbiology

    Sigma-Aldrich

    Application Test agar for the simultaneous detection of lysine decarboxylase and formation of hydrogen sulfide in the identification of Enterobacteriaceae , in particular Salmonella and Arizona according to Edwards and Fife.

  • 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.)

  • SIGMA Luminol sodium salt

    Sigma-Aldrich

    Synonym(s): 3-Aminophthalhydrazide; 5-Amino-2,3-dihydro-1,4-phthalazinedione Empirical Formula: C8H6N3NaO2 Linear Formula: C8H6N3O2Na Formula Weight: 199.14 MDL Number: MFCD00161491 Purity: …

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