Alfa Aesar

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  • Lecithin, Refined

    Alfa Aesar

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

  • 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…

  • 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:

  • 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…

  • 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…

  • 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…

  • Lithium nitrate, anhydrous, 99.999% (metals basis)

    Alfa Aesar

    Formula: LiNO3 Formula weight: 68.95 Purity: 99.999% (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 sulfide, 99.9% (metals basis)

    Alfa Aesar

    Formula: Li2S Formula weight: 45.95 Purity: 99.9% (metals basis) CAS Number: 12136-58-2 UN Number: UN2813 Hazard Class: 4.3 Packing Group: II Harmonized Tariff Code:  2830.90 Hazard Statements: H228-H261-H315-H319-H335 Flammable solid. In contact with water releases…

  • Lead(II,IV) oxide, 97% (metals basis)

    Alfa Aesar

    Formula: O4Pb3 Formula weight: 685.60 Purity: 97% (metals basis) CAS Number: 1314-41-6 UN Number: UN1479 Hazard Class: 5.1 Packing Group: II Harmonized Tariff Code:  2824.90 Hazard Statements: H360-H373-H272-H302-H332 May damage fertility or the unborn child. May cause…

  • Lipase, from porcine pancreas

    Alfa Aesar

    Synonym(s): PPL, Triacylglycerol acylhydrolase CAS Number: 9001-62-1 Harmonized Tariff Code:  3507.90

  • L-Cysteine methyl ester hydrochloride

    Alfa Aesar

    Synonym(s): L-Cys-OMe HCl Formula: C4H9NO2S HCl Formula weight: 171.65 CAS Number: 18598-63-5 Harmonized Tariff Code:  2930.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Lead(II) nitrate, ACS, 99.0% min

    Alfa Aesar

    Formula: Pb(NO3)2 Formula weight: 331.20 Purity: 99.0% min 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…

  • L-Lysine, 98%

    Alfa Aesar

    Synonym(s): (S)-2,6-Diaminocaproic acid Formula: C6H14N2O2 Formula weight: 146.19 Purity: 98% CAS Number: 56-87-1 Harmonized Tariff Code:  2922.41

  • L-Lysine monohydrochloride, 99+%

    Alfa Aesar

    Synonym(s): (S)-2,6-Diaminohexanoic acid monohydrochloride, H-Lys-OH.HCl Formula: C6H14N2O2 HCl Formula weight: 182.65 Purity: 99+% CAS Number: 657-27-2 Harmonized Tariff Code:  2922.41

  • L-Lysine monohydrochloride, Cell Culture Reagent

    Alfa Aesar

    Formula: C6H14N2O2 HCl Formula weight: 182.65 CAS Number: 657-27-2 Harmonized Tariff Code:  2922.41

  • Lactic acid, 1.0N Standardized Solution

    Alfa Aesar

    Formula: C3H6O3 Formula weight: 90.08 CAS Number: 50-21-5 Harmonized Tariff Code:  2918.11 Hazard Statements: H318 Causes serious eye damage. Precautionary Statements: P280-P305+P351+P338-P310 Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES:…

  • LB Agar plate with 50µg/ml ampicillin

    Alfa Aesar

    Harmonized Tariff Code:  3822.00

  • L-Alanyl-L-phenylalanine, 95%

    Alfa Aesar

  • Lead(II) carbonate, ACS

    Alfa Aesar

    Formula: PbCO3 Formula weight: 267.20 CAS Number: 598-63-0 UN Number: UN2291 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2836.99 Hazard Statements: H360-H373-H302-H332 May damage fertility or the unborn child. May cause damage to organs through prolonged or…

  • Lecithin, 90%, soybean

    Alfa Aesar

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

  • Lysozyme, chicken egg white

    Alfa Aesar

    Synonym(s): E.C. 3.2.1.17, Muramidase CAS Number: 12650-88-3 Harmonized Tariff Code:  3507.90

  • L-(-)-Xylose, 99%

    Alfa Aesar

    Formula: C5H10O5 Formula weight: 150.13 Purity: 99% CAS Number: 609-06-3 Harmonized Tariff Code:  2940.00

  • 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.…

  • Lanthanum(III) oxide, REacton r, 99.99% (REO)

    Alfa Aesar

    Formula: La2O3 Formula weight: 325.82 Purity: 99.99% (REO) CAS Number: 1312-81-8 Harmonized Tariff Code:  2846.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 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. …

  • 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…

  • Lead(II) bromide, 98+%

    Alfa Aesar

    Formula: Br2Pb Formula weight: 367.01 Purity: 98+% CAS Number: 10031-22-8 UN Number: UN2291 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2827.59 Hazard Statements: H360-H373-H302-H332 May damage fertility or the unborn child. May cause damage to organs…

  • L-(+)-Arabinose, 99%

    Alfa Aesar

    Formula: C5H10O5 Formula weight: 150.13 Purity: 99% CAS Number: 87-72-9 Harmonized Tariff Code:  2940.00

  • L-Thyroxine, 98%

    Alfa Aesar

    Synonym(s): 3,3',5,5'-Tetraiodo-L-thyronine Formula: C15H11I4NO4 Formula weight: 776.87 Purity: 98% CAS Number: 51-48-9 Harmonized Tariff Code:  2937.90

  • Lanthanum(III) sulfide, 99% (REO)

    Alfa Aesar

    Formula: La2S3 Formula weight: 374.02 Purity: 99% (REO) CAS Number: 12031-49-1 UN Number: UN3134 Hazard Class: 4.3 Packing Group: III Harmonized Tariff Code:  2846.90 Hazard Statements: H261-H315-H319-H335 In contact with water releases flammable gas. Causes skin…

  • L-Lactic acid, anhydrous, 98%

    Alfa Aesar

    Synonym(s): (S)-2-Hydroxypropionic acid Formula: C3H6O3 Formula weight: 90.08 Purity: 98% CAS Number: 79-33-4 Packing Group: III Harmonized Tariff Code:  2918.11 Hazard Statements: H318-H315 Causes serious eye damage. Causes skin irritation. Precautionary Statements: …

  • Lithium foil, 1.5mm (0.06in) thick x 100mm (3.9in) wide, 99.9% (metals basis)

    Alfa Aesar

    Purity: 99.9% (metals basis) CAS Number: 7439-93-2 UN Number: UN1415 Hazard Class: 4.3 Packing Group: I Harmonized Tariff Code:  2805.19 Hazard Statements: H260-H314 In contact with water releases flammable gases which may ignite spontaneously. Causes severe skin burns and eye…

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