Alfa Aesar

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  • Ethyl 2-ethylbutyrate, 99%

    Alfa Aesar

    Synonym(s): 2-Ethylbutyric acid ethyl ester, Ethyl diethylacetate Formula: (CH3CH2)2CHCO2CH2CH3 Formula weight: 144.21 Purity: 99% CAS Number: 2983-38-2 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2915.60 Hazard Statements: H226 …

  • (4-Methoxycarbonylbenzyl)triphenylphosphonium chloride, 97%

    Alfa Aesar

    Synonym(s): (4-Carbomethoxybenzyl)triphenylphosphonium chloride, Methyl alpha(triphenylphosphonio)-p-toluate chloride Formula: C27H24ClO2P Formula weight: 446.91 Purity: 97% CAS Number: 1253-47-0 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin…

  • Allantoin, 98%

    Alfa Aesar

    Synonym(s): 5-Ureidohydantoin Formula: C4H6N4O3 Formula weight: 158.12 Purity: 98% CAS Number: 97-59-6 Harmonized Tariff Code:  2933.21

  • 4-Methyl-3,5-dinitrobenzeneboronic acid, 97%

    Alfa Aesar

    Synonym(s): 3,5-Dinitro-4-methylphenylboronic acid, 3,5-Dinitro-4-methylbenzeneboronic acid Formula: C7H7BN2O6 Formula weight: 225.95 Purity: 97% CAS Number: 28249-49-2 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • 4'-Nitroacetanilide, 98%

    Alfa Aesar

    Formula: C8H8N2O3 Formula weight: 180.16 Purity: 98% CAS Number: 104-04-1 Harmonized Tariff Code:  2924.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Zirconium slug, 3.175mm (0.125in) dia x 6.35mm (0.25in) length, 99.95% (metals…

    Alfa Aesar

    Purity: 99.95% (metals basis excluding Hf), Hf nominal 3% CAS Number: 7440-67-7 Harmonized Tariff Code:  8109.20

  • Copper(II) chloride dihydrate, 99%

    Alfa Aesar

    Synonym(s): Cupric chloride dihydrate Formula: CuCl2 2H2O Formula weight: 170.48 (134.45anhy) Purity: 99% CAS Number: 10125-13-0 UN Number: UN2802 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2827.39 Hazard Statements: H301-H314-H318 Toxic if swallowed.…

  • Cyclohexylbenzene, 97+%

    Alfa Aesar

    Synonym(s): Phenylcyclohexane Formula: C12H16 Formula weight: 160.26 Purity: 97+% CAS Number: 827-52-1 UN Number: UN3082 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2902.90 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye…

  • 7-Chlorokynurenic acid sodium salt, 99+%

    Alfa Aesar

    Formula: C10H5ClNNaO3 Formula weight: 245.60 Purity: 99+% Harmonized Tariff Code:  2933.49

  • 1-Chloro-2-methyl-2-propanol, 98%

    Alfa Aesar

    Synonym(s): Chloro-tert-butanol Formula: C4H9ClO Formula weight: 108.57 Purity: 98% CAS Number: 558-42-9 UN Number: UN1987 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2905.59 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour. Causes skin…

  • (1-Bromoethyl)benzene, 97%

    Alfa Aesar

    Synonym(s): ^a-Methylbenzyl bromide, 1-Phenylethyl bromide Formula: C8H9Br Formula weight: 185.06 Purity: 97% CAS Number: 585-71-7 Harmonized Tariff Code:  2903.99 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • (S)-(+)-Tetrahydrofurfurylamine, 98+%

    Alfa Aesar

    Synonym(s): (S)-(+)-2-(Aminomethyl)tetrahydrofuran Formula: C5H11NO Formula weight: 101.15 Purity: 98+% CAS Number: 7175-81-7 UN Number: UN2943 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2932.19 Hazard Statements: H314-H318-H226 Causes severe skin burns…

  • Chloroform, ACS, 99.8+%

    Alfa Aesar

    Synonym(s): Trichloromethane Formula: CHCl3 Formula weight: 119.38 Purity: 99.8+% CAS Number: 67-66-3 UN Number: UN1888 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2903.13 Hazard Statements: H351-H373-H302-H315 Suspected of causing cancer. May cause…

  • 1H-Indazole-3-carboxylic acid, 98%

    Alfa Aesar

  • Boron oxide, 99%

    Alfa Aesar

    Synonym(s): Boric anhydride Formula: B2O3 Formula weight: 69.62 Purity: 99% CAS Number: 1303-86-2 Harmonized Tariff Code:  2810.00 Hazard Statements: H360 May damage fertility or the unborn child. Precautionary Statements: P201-P308+P313 Obtain special instructions before…

  • Magnesium hexafluorosilicate hexahydrate, 98%

    Alfa Aesar

    Formula: MgSiF6 6H2O Formula weight: 274.47 (166.39anhy) Purity: 98% CAS Number: 18972-56-0 UN Number: UN2853 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2826.90 Hazard Statements: H301 Toxic if swallowed. Precautionary Statements: …

  • Yttrium foil, 0.025mm (0.001in) thick, 99.9% (REO)

    Alfa Aesar

    Purity: 99.9% (REO) CAS Number: 7440-65-5 UN Number: UN3178 Hazard Class: 4.1 Packing Group: III Harmonized Tariff Code:  2805.30 Risk Phrases: 11 Flammable.

  • Anti-Inflammatory Peptide 1

    Alfa Aesar

    Synonym(s): Met-Gln-Met-Lys-Lys-Val-Leu-Asp-Ser Formula: C45H82N12O14S2 Formula weight: 1079.33 CAS Number: 118850-71-8 Harmonized Tariff Code:  2937.19

  • 1,2-Dibromo-1,1-dichloroethane, 97%

    Alfa Aesar

    Formula: BrCH2CBrCl2 Formula weight: 256.75 Purity: 97% CAS Number: 75-81-0 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2903.79 Hazard Statements: H302-H312-H315-H319-H335 Harmful if swallowed. Harmful in contact with skin. Causes skin…

  • (3-Glycidoxypropyl)trimethoxysilane, 97%

    Alfa Aesar

    Synonym(s): 3-(2,3-Epoxypropoxy)propyltrimethoxysilane Formula: C9H20O5Si Formula weight: 236.34 Purity: 97% CAS Number: 2530-83-8 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • 4-Ethylphenylacetylene, 99%

    Alfa Aesar

    Synonym(s): 1-Ethyl-4-ethynylbenzene Formula: C10H10 Formula weight: 130.19 Purity: 99% CAS Number: 40307-11-7 Harmonized Tariff Code:  2902.90 Hazard Statements: H227 Combustible liquid.

  • Methyl benzoate, 99%

    Alfa Aesar

    Synonym(s): Benzoic acid methyl ester Formula: C8H8O2 Formula weight: 136.15 Purity: 99% CAS Number: 93-58-3 Harmonized Tariff Code:  2916.31 Hazard Statements: H302-H227 Harmful if swallowed. Combustible liquid. Precautionary Statements: …

  • Sodium L-lactate, 98+%

    Alfa Aesar

    Synonym(s): (S)-2-Hydroxypropionic acid sodium salt, L-Lactic acid sodium salt Formula: C3H5NaO3 Formula weight: 112.06 Purity: 98+% CAS Number: 867-56-1 Harmonized Tariff Code:  2918.11

  • Silver powder, crystalline, -60+80 mesh, Premion r, 99.99% (metals basis)

    Alfa Aesar

    Purity: 99.99% (metals basis) CAS Number: 7440-22-4 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  7106.10 Risk Phrases: 50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment. Safety Phrases: 57-60…

  • Zinc tungsten oxide, 99.9% (metals basis)

    Alfa Aesar

    Synonym(s): Zinc tungstate Formula: ZnWO4 Formula weight: 313.22 Purity: 99.9% (metals basis) CAS Number: 13597-56-3 Harmonized Tariff Code:  2841.80 Hazard Statements: H335 May cause respiratory irritation. Precautionary Statements: P261-P304+P340-P312-P405-P403+P233-P501a …

  • Tantalum plate, 6.35mm (0.25in) thick, 99.9% (metals basis)

    Alfa Aesar

    Purity: 99.9% (metals basis) CAS Number: 7440-25-7 Harmonized Tariff Code:  8103.90

  • N-(9-Fluorenylmethoxycarbonyloxy)succinimide, 98%

    Alfa Aesar

    Synonym(s): 9-Fluorenylmethyl N-succinimidyl carbonate, Fmoc-ONSu Formula: C19H15NO5 Formula weight: 337.34 Purity: 98% CAS Number: 82911-69-1 UN Number: UN3077 Hazard Class: 9 Packing Group: III Harmonized Tariff Code:  2925.19 Hazard Statements: H301-H317 Toxic if…

  • Dibenzofuran-2-sulfonic acid hydrate, 97%

    Alfa Aesar

    Formula: C12H8O4S xH2O Formula weight: 248.24(anhy) Purity: 97% CAS Number: 83863-63-2 Harmonized Tariff Code:  2932.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • tert-Butyldimethylchlorosilane, 50% w/w in toluene

    Alfa Aesar

    Synonym(s): tert-Butylchlorodimethylsilane, tert-Butyldimethylsilyl chloride Formula: C6H15ClSi Formula weight: 150.73 CAS Number: 18162-48-6 UN Number: UN2924 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: …

  • (R)-(-)-1-Benzyl-3-hydroxypiperidine, 97%

    Alfa Aesar

    Synonym(s): (R)-1-Benzyl-3-piperidinol Formula: C12H17NO Formula weight: 191.27 Purity: 97% CAS Number: 91599-81-4 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Quinoxaline-6-carboxylic acid, 95%

    Alfa Aesar

    Formula: C9H6N2O2 Formula weight: 174.16 Purity: 95% CAS Number: 6925-00-4 Harmonized Tariff Code:  2933.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Calcium fluoride, 99.95% (metals basis)

    Alfa Aesar

    Formula: CaF2 Formula weight: 78.08 Purity: 99.95% (metals basis) CAS Number: 7789-75-5 Harmonized Tariff Code:  2826.19 Risk Phrases: 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: 26-37 In case of contact with eyes, rinse immediately with plenty of…

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