Reagents, E

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  • 4-Ethoxybenzeneboronic acid, 98%

    Alfa Aesar

    Synonym(s): 4-Ethoxyphenylboronic acid Formula: C8H11BO3 Formula weight: 165.99 Purity: 98% CAS Number: 22237-13-4 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • 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.

  • 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride, 98+%

    Alfa Aesar

    Synonym(s): EDAC, EDCI Formula: C8H17N3 HCl Formula weight: 191.70 Purity: 98+% CAS Number: 25952-53-8 Harmonized Tariff Code:  2925.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Ethyl 2-bromoisovalerate, 97%

    Alfa Aesar

    Synonym(s): 2-Bromoisovaleric acid ethyl ester Formula: C7H13BrO2 Formula weight: 209.09 Purity: 97% CAS Number: 609-12-1 UN Number: UN3265 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H314-H318-H227 Causes severe skin burns and…

  • 4'-Ethylacetophenone, 97%

    Alfa Aesar

    Formula: C10H12O Formula weight: 148.21 Purity: 97% CAS Number: 937-30-4 Harmonized Tariff Code:  2914.39 Hazard Statements: H227 Combustible liquid. Precautionary Statements: P210-P280-P370+P378a-P403+P235-P501a Keep away from heat/sparks/open flames/hot surfaces. - No…

  • 4-Ethylthiophenol, 97%

    Alfa Aesar

    Synonym(s): 4-Ethylbenzenethiol Formula: C8H10S Formula weight: 138.23 Purity: 97% CAS Number: 4946-13-8 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2930.90 Hazard Statements: H331-H302-H312-H315-H319-H335 Toxic if inhaled. Harmful if…

  • Ethyl ^a-bromophenylacetate, 97%

    Alfa Aesar

    Synonym(s): alpha-Bromophenylacetic acid ethyl ester Formula: C10H11BrO2 Formula weight: 243.10 Purity: 97% CAS Number: 2882-19-1 UN Number: UN3265 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  2916.39 Hazard Statements: H314-H318 Causes severe skin burns…

  • Ethyl propiolate, 99%

    Alfa Aesar

    Synonym(s): Ethyl acetylenecarboxylate, Propiolic acid ethyl ester Formula: C5H6O2 Formula weight: 98.10 Purity: 99% CAS Number: 623-47-2 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2916.19 Hazard Statements: H226-H315-H319-H335 …

  • Erioglaucine sodium salt

    Alfa Aesar

    Synonym(s): C.I. 42090, Acid Blue 9 Formula: C37H34N2Na2O9S3 Formula weight: 792.86 CAS Number: 3844-45-9 Harmonized Tariff Code:  3204.12

  • Europium(III) oxide, REacton r, 99.996% (REO)

    Alfa Aesar

    Formula: Eu2O3 Formula weight: 351.92 Purity: 99.996% (REO) CAS Number: 1308-96-9 Harmonized Tariff Code:  2846.90

  • Ethyl (S)-(-)-4-chloro-3-hydroxybutyrate, 98%, ee 98%

    Alfa Aesar

    Synonym(s): (S)-(-)-4-Chloro-3-hydroxybutyric acid ethyl ester Formula: C6H11ClO3 Formula weight: 166.61 Purity: 98%, ee 98% CAS Number: 86728-85-0 Harmonized Tariff Code:  2918.19 Hazard Statements: H318-H302-H312-H332-H315 Causes serious eye damage. Harmful if swallowed.…

  • 2-Ethyl-1H-indene, 97%

    Alfa Aesar

    Formula: C11H12 Formula weight: 144.22 Purity: 97% CAS Number: 17059-50-6 Harmonized Tariff Code:  2902.90 Hazard Statements: H227 Combustible liquid. Precautionary Statements: P210-P280-P370+P378a-P403+P235-P501a Keep away from heat/sparks/open flames/hot surfaces. - No…

  • Erucic acid, tech. 90%

    Alfa Aesar

    Synonym(s): cis-13-Docosenoic acid Formula: C22H42O2 Formula weight: 338.58 Purity: tech. 90% CAS Number: 112-86-7 Harmonized Tariff Code:  2916.19

  • Ethylphosphonic acid, 98+%

    Alfa Aesar

    Synonym(s): Ethanephosphonic acid Formula: C2H7O3P Formula weight: 110.06 Purity: 98+% CAS Number: 6779-09-5 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2931.90 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes…

  • Ethyl hydrogen malonate, 96%

    Alfa Aesar

    Synonym(s): Malonic acid monoethyl ester, Monoethyl malonate Formula: C5H8O4 Formula weight: 132.12 Purity: 96% CAS Number: 1071-46-1 Harmonized Tariff Code:  2917.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • 3-Ethylrhodanine, 98%

    Alfa Aesar

    Synonym(s): N-Ethyl-2-thioxo-4-thiazolidinone Formula: C5H7NOS2 Formula weight: 161.25 Purity: 98% CAS Number: 7648-01-3 Harmonized Tariff Code:  2934.10 Hazard Statements: H302 Harmful if swallowed. Precautionary Statements: P264-P270-P301+P312-P330-P501a Wash thoroughly…

  • 4-(Ethylthio)benzeneboronic acid, 98%

    Alfa Aesar

    Synonym(s): 4-(Ethylthio)phenylboronic acid Formula: C8H11BO2S Formula weight: 182.04 Purity: 98% CAS Number: 145349-76-4 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. …

  • Ethanol, anhydrous, denatured, HPLC Grade, 90%, 5% methanol, 5% isopropanol

    Alfa Aesar

    Formula: C2H6O Formula weight: 46.08 Purity: 90%, 5% methanol, 5% isopropanol CAS Number: 64-17-5 UN Number: UN1987 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2207.20 Hazard Statements: H225-H371 Highly flammable liquid and vapour. May cause damage to…

  • Ethyl 4-acetyl-5-oxohexanoate, 98%

    Alfa Aesar

    Synonym(s): 2-(Ethoxycarbonylethyl)acetylacetone, Ethyl 4,4-diacetylbutyrate Formula: C10H16O4 Formula weight: 200.24 Purity: 98% CAS Number: 2832-10-2 Harmonized Tariff Code:  2917.19

  • Ethanesulfonyl chloride, 98+%

    Alfa Aesar

    Synonym(s): Ethylsulfonyl chloride Formula: C2H5ClO2S Formula weight: 128.57 Purity: 98+% CAS Number: 594-44-5 UN Number: UN2927 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2904.90 Hazard Statements: H301-H310-H330-H314-H318-H227 Toxic if swallowed.…

  • Ethyl 2-bromobenzoate, 98+%

    Alfa Aesar

    Synonym(s): 2-Bromobenzoic acid ethyl ester Formula: C9H9BrO2 Formula weight: 229.07 Purity: 98+% CAS Number: 6091-64-1 Harmonized Tariff Code:  2916.39

  • Ethyl methyl sulfide, 97%

    Alfa Aesar

    Synonym(s): Methyl ethyl sulfide Formula: C3H8S Formula weight: 76.16 Purity: 97% CAS Number: 624-89-5 UN Number: UN1993 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2930.90 Hazard Statements: H225 Highly flammable liquid and vapour. Precautionary…

  • Ethyl (E)-2-cyano-3-ethoxycrotonate, 98%

    Alfa Aesar

    Synonym(s): (E)-2-Cyano-3-ethoxycrotonic acid ethyl ester, Ethyl (E)-2-cyano-3-ethoxy-2-butenoate Formula: C9H13NO3 Formula weight: 183.21 Purity: 98% CAS Number: 932750-29-3 UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard…

  • Erbium(III) chloride, anhydrous, 99.9% (metals basis)

    Alfa Aesar

    Formula: ErCl3 Formula weight: 273.62 Purity: 99.9% (metals basis) CAS Number: 10138-41-7 Harmonized Tariff Code:  2846.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Ethyl 4-chloro-6-hydroxy-5-nitronicotinate, 97%

    Alfa Aesar

    Synonym(s): Ethyl 4-chloro-5-nitro-6-oxo-1,6-dihydropyridine-3-carboxylate, 4-Chloro-6-hydroxy-5-nitronicotinic acid ethyl ester Formula: C8H7ClN2O5 Formula weight: 246.60 Purity: 97% CAS Number: 1210835-74-7 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 …

  • 5-Ethyluracil, 98+%

    Alfa Aesar

    Synonym(s): 2,4-Dihydroxy-5-ethylpyrimidine Formula: C6H8N2O2 Formula weight: 140.14 Purity: 98+% CAS Number: 4212-49-1 Harmonized Tariff Code:  2933.59

  • Ethyl nipecotate, 97%

    Alfa Aesar

    Synonym(s): Ethyl piperidine-3-carboxylate, Nipecotic acid ethyl ester Formula: C8H15NO2 Formula weight: 157.21 Purity: 97% CAS Number: 5006-62-2 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335-H227 Causes skin irritation. Causes serious eye irritation. May…

  • Ethoxymethylenemalononitrile, 98%

    Alfa Aesar

    Formula: C6H6N2O Formula weight: 122.13 Purity: 98% CAS Number: 123-06-8 UN Number: UN3439 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2926.90 Hazard Statements: H301-H311-H334-H317 Toxic if swallowed. Toxic in contact with skin. May cause allergy or…

  • 2-Ethyl-3-methylpyrazine, 98+%

    Alfa Aesar

    Formula: C7H10N2 Formula weight: 122.17 Purity: 98+% CAS Number: 15707-23-0 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H226-H302-H315-H319-H335 Flammable liquid and vapour. Harmful if swallowed. Causes skin…

  • 2-Ethoxy-1-naphthoyl chloride, 97%

    Alfa Aesar

    Synonym(s): 2-Ethoxynaphthalene-1-carbonyl chloride Formula: C13H11ClO2 Formula weight: 234.68 Purity: 97% CAS Number: 55150-29-3 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2918.99 Hazard Statements: H314-H318 Causes severe skin burns…

  • Ethyl 4-acetamido-3-nitrobenzoate, 97%

    Alfa Aesar

    Synonym(s): 4-Acetamido-3-nitrobenzoic acid ethyl ester Formula: C11H12N2O5 Formula weight: 252.23 Purity: 97% CAS Number: 175204-17-8 Harmonized Tariff Code:  2924.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Ethanol-d{6}, 99.5%(Isotopic)

    Alfa Aesar

    Formula: C2D6O Formula weight: 52.11 Purity: 99.5%(Isotopic) CAS Number: 1516-08-1 UN Number: UN1170 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2845.90 Hazard Statements: H225 Highly flammable liquid and vapour. Precautionary Statements: …

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