Reagents, L

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  • 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…

  • L-Phenylalanine, 99%

    Alfa Aesar

    Synonym(s): (S)-2-Amino-3-phenylpropionic acid, H-Phe-OH Formula: C9H11NO2 Formula weight: 165.19 Purity: 99% CAS Number: 63-91-2 Harmonized Tariff Code:  2922.49

  • L-Menthol, 99%

    Alfa Aesar

    Synonym(s): (1R,2S,5R)-2-Isopropyl-5-methylcyclohexanol Formula: C10H20O Formula weight: 156.27 Purity: 99% CAS Number: 2216-51-5 Harmonized Tariff Code:  2906.11 Hazard Statements: H318-H335-H315 Causes serious eye damage. May cause respiratory irritation. Causes skin…

  • L-Asparagine monohydrate, Cell Culture Reagent

    Alfa Aesar

    Synonym(s): (S)-2-Aminosuccinic acid 4-amide, L-Aspartic acid 4-amide Formula: C4H8N2O3 H2O Formula weight: 150.14 (132.12anhy) CAS Number: 5794-13-8 Harmonized Tariff Code:  2924.19

  • 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…

  • Lead wire, 2.0mm (0.08in) dia, 99.9% (metals basis)

    Alfa Aesar

    Purity: 99.9% (metals basis) CAS Number: 7439-92-1 Harmonized Tariff Code:  7806.00 Hazard Statements: H360-H373-H302-H332 May damage fertility or the unborn child. May cause damage to organs through prolonged or repeated exposure. Harmful if swallowed. Harmful if inhaled. …

  • L-Isoleucine, 99%

    Alfa Aesar

    Synonym(s): (2S,3S)-2-Amino-3-methylpentanoic acid, H-Ile-OH Formula: C6H13NO2 Formula weight: 131.18 Purity: 99% CAS Number: 73-32-5 Harmonized Tariff Code:  2922.49

  • L-Tyrosine, 99%

    Alfa Aesar

    Synonym(s): 3-(4-Hydroxyphenyl)-L-alanine, H-Tyr-OH Formula: C9H11NO3 Formula weight: 181.19 Purity: 99% CAS Number: 60-18-4 Harmonized Tariff Code:  2922.50 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37 In case of contact with…

  • L-Aspartic acid, 98+%

    Alfa Aesar

    Synonym(s): L-Aminosuccinic acid, H-Asp-OH Formula: C4H7NO4 Formula weight: 133.10 Purity: 98+% CAS Number: 56-84-8 Harmonized Tariff Code:  2922.49

  • L-Menthone, 97%

    Alfa Aesar

    Synonym(s): (2S,5R)-2-Isopropyl-5-methylcyclohexanone Formula: C10H18O Formula weight: 154.25 Purity: 97% CAS Number: 14073-97-3 Harmonized Tariff Code:  2914.29 Hazard Statements: H319-H227 Causes serious eye irritation. Combustible liquid. Precautionary Statements: …

  • Lecithin, 90%, soybean

    Alfa Aesar

    Synonym(s): L-^a-Phosphatidylcholine Purity: 90%, soybean CAS Number: 8002-43-5 Harmonized Tariff Code:  2923.20

  • Lithium nitrate, anhydrous, 99.98% (metals basis)

    Alfa Aesar

    Formula: LiNO3 Formula weight: 68.95 Purity: 99.98% (metals basis) CAS Number: 7790-69-4 UN Number: UN2722 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.29 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes skin irritation.…

  • Lithium nitrate, anhydrous, 99%

    Alfa Aesar

    Formula: LiNO3 Formula weight: 68.95 Purity: 99% CAS Number: 7790-69-4 UN Number: UN2722 Hazard Class: 5.1 Packing Group: III Harmonized Tariff Code:  2834.29 Hazard Statements: H272-H315-H319-H335 May intensify fire; oxidizer. Causes skin irritation. Causes serious eye…

  • Lead(IV) acetate, 96% (dry wt.), stab. with 5-10% glacial acetic acid

    Alfa Aesar

    Synonym(s): Lead tetraacetate Formula: C8H12O8Pb Formula weight: 443.37 Purity: 96% (dry wt.), stab. with 5-10% glacial acetic acid CAS Number: 546-67-8 UN Number: UN1616 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2915.29 Hazard Statements: …

  • Lawesson's Reagent, 97%

    Alfa Aesar

    Synonym(s): 2,4-Bis(4-methoxyphenyl)-2,4-dithioxo-1,3,2,4-dithiadiphosphetane, 4-Methoxyphenylthionophosphine sulfide dimer Formula: C14H14O2P2S4 Formula weight: 404.47 Purity: 97% CAS Number: 19172-47-5 UN Number: UN3134 Hazard Class: 4.3 Packing Group: III Harmonized…

  • Lithium hydride, 97+%

    Alfa Aesar

    Formula: HLi Formula weight: 7.95 Purity: 97+% CAS Number: 7580-67-8 UN Number: UN1414 Hazard Class: 4.3 Packing Group: I Harmonized Tariff Code:  2850.00 Hazard Statements: H260-H301-H331-H314-H318 In contact with water releases flammable gases which may ignite…

  • L-(+)-Tartaric acid, 99%

    Alfa Aesar

    Formula: C4H6O6 Formula weight: 150.09 Purity: 99% CAS Number: 87-69-4 Harmonized Tariff Code:  2918.12 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Lanthanum(III) chloride, ultra dry, 99.9% (REO)

    Alfa Aesar

    Formula: LaCl3 Formula weight: 245.27 Purity: 99.9% (REO) CAS Number: 10099-58-8 Harmonized Tariff Code:  2846.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • L-Valine, Cell Culture Reagent

    Alfa Aesar

    Synonym(s): H-L-Val-OH Formula: C5H11NO2 Formula weight: 117.15 CAS Number: 72-18-4 Harmonized Tariff Code:  2922.49

  • Lithium aluminum hydride, pellets, 97%

    Alfa Aesar

    Formula: LiAlH4 Formula weight: 37.95 Purity: 97% 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 releases flammable gases which may ignite…

  • 2,6-Lutidine, 98+%

    Alfa Aesar

    Synonym(s): 2,6-Dimethylpyridine Formula: C7H9N Formula weight: 107.16 Purity: 98+% CAS Number: 108-48-5 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2933.39 Hazard Statements: H226-H302-H315-H319-H335 Flammable liquid and vapour.…

  • L-(+)-Asparagine, 99%

    Alfa Aesar

    Formula: C4H8N2O3 Formula weight: 132.12 Purity: 99% CAS Number: 70-47-3 Harmonized Tariff Code:  2924.19

  • L-Cysteine, 98+%

    Alfa Aesar

    Synonym(s): L-2-Amino-3-mercaptopropionic acid, H-Cys-OH Formula: C3H7NO2S Formula weight: 121.16 Purity: 98+% CAS Number: 52-90-4 Harmonized Tariff Code:  2930.90 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash…

  • Lead(II) nitrate, 99%

    Alfa Aesar

    Formula: Pb(NO3)2 Formula weight: 331.20 Purity: 99% CAS Number: 10099-74-8 UN Number: UN1469 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2834.29 Hazard Statements: H360-H373-H302-H332 May damage fertility or the unborn child. May cause damage to organs…

  • L-Glutamic acid monosodium salt monohydrate, 98+%

    Alfa Aesar

    Synonym(s): Monosodium glutamate monohydrate Formula: C5H8NNaO4 H2O Formula weight: 187.14 (169.12anhy) Purity: 98+% CAS Number: 6106-04-3 Harmonized Tariff Code:  2922.42

  • L-Tryptophan, 99%

    Alfa Aesar

    Synonym(s): (S)-2-Amino-3-(3-indolyl)propionic acid, H-Trp-OH Formula: C11H12N2O2 Formula weight: 204.23 Purity: 99% CAS Number: 73-22-3 Harmonized Tariff Code:  2933.99

  • L-Serine, 99%

    Alfa Aesar

    Synonym(s): (S)-2-Amino-3-hydroxypropionic acid, H-Ser-OH Formula: C3H7NO3 Formula weight: 105.09 Purity: 99% CAS Number: 56-45-1 Harmonized Tariff Code:  2922.50

  • Lithium sulfate monohydrate, 99%

    Alfa Aesar

    Formula: Li2SO4 H2O Formula weight: 127.96 (109.94anhy) Purity: 99% CAS Number: 10102-25-7 Harmonized Tariff Code:  2833.29 Hazard Statements: H301-H315-H319-H335 Toxic if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Lithium L-lactate, 97%

    Alfa Aesar

    Synonym(s): L-Lactic acid lithium salt Formula: C3H5LiO3 Formula weight: 96.01 Purity: 97% CAS Number: 27848-80-2 Harmonized Tariff Code:  2918.11

  • L-Phenylalanine ethyl ester hydrochloride, 98%

    Alfa Aesar

    Synonym(s): H-Phe-OEt.HCl Formula: C11H15NO2 HCl Formula weight: 229.71 Purity: 98% CAS Number: 3182-93-2 Harmonized Tariff Code:  2922.49

  • 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

  • Lithium triethylborohydride, 1M in THF

    Alfa Aesar

    Synonym(s): Lithium triethylhydridoborate Formula: C6H16BLi Formula weight: 105.94 CAS Number: 22560-16-3 UN Number: UN3399 Hazard Class: 4.3 Packing Group: I Harmonized Tariff Code:  2931.90 Hazard Statements: H225-H260-H314-H318 Highly flammable liquid and vapour. In…

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