Reagents, E

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  • Ethyl 2,2-diethylacetoacetate, 97%

    Alfa Aesar

    Synonym(s): 2,2-Diethylacetoacetic acid ethyl ester Formula: C10H18O3 Formula weight: 186.25 Purity: 97% CAS Number: 1619-57-4 Harmonized Tariff Code:  2918.30

  • 1,2-Ethylenediphosphonic acid, 97%

    Alfa Aesar

    Formula: C2H8O6P2 Formula weight: 190.03 Purity: 97% CAS Number: 6145-31-9 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 serious eye damage. Precautionary…

  • Ethyl 3-(5-bromo-2-methoxy-3-pyridyl)acrylate

    Alfa Aesar

    Synonym(s): 3-(5-Bromo-2-methoxy-3-pyridyl)acrylic acid ethyl ester Formula: C11H12BrNO3 Formula weight: 286.13 Harmonized Tariff Code:  2933.39

  • 4-Ethylphenoxyacetic acid, 97%

    Alfa Aesar

    Formula: C10H12O3 Formula weight: 180.20 Purity: 97% CAS Number: 24431-27-4 Harmonized Tariff Code:  2918.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Ethyl 2-isothiocyanatopropionate, 97%

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonym(s): 2-Isothiocyanatopropionic acid ethyl ester Formula: C6H9NO2S Formula weight: 159.20…

  • Europium(III) oxalate hydrate, 99.9% (REO)

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Formula: C6Eu2O12 xH2O Formula weight: 567.98(anhy) Purity: 99.9% (REO) CAS Number: …

  • Ethyl (S)-(+)-2-pyrrolidinone-5-carboxylate, 98%

    Alfa Aesar

    Synonym(s): (S)-(+)-2-Pyrrolidinone-5-carboxylic acid ethyl ester, L-Pyroglutamic acid ethyl ester Formula: C7H11NO3 Formula weight: 157.17 Purity: 98%

  • Ethyl 4-ethoxyphenylacetate, 97+%

    Alfa Aesar

    Synonym(s): 4-Ethoxyphenylacetic acid ethyl ester Formula: C12H16O3 Formula weight: 208.26 Purity: 97+% CAS Number: 40784-88-1 Harmonized Tariff Code:  2918.99 Safety Phrases: 24/25 Avoid contact with skin and eyes.

  • 2-(Ethylcarbamoyl)pyridine-5-boronic acid pinacol ester, 96%

    Alfa Aesar

    Synonym(s): 2-(Ethylaminocarbonyl)pyridine-5-boronic acid pinacol ester Formula: C14H21BN2O3 Formula weight: 276.14 Purity: 96% CAS Number: 1006876-28-3 Harmonized Tariff Code:  2934.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May…

  • Ethyl 2-(3-N-phthalimidopropyl)acetoacetate, 95%

    Alfa Aesar

    Synonym(s): Ethyl acetopropylphthalimide Formula: C17H19NO5 Formula weight: 317.34 Purity: 95% CAS Number: 55747-45-0 Harmonized Tariff Code:  2925.19

  • Ethyl 2,2-difluoropropionate, 97%

    Alfa Aesar

    Synonym(s): 2,2-Difluoropropionic acid ethyl ester Formula: C5H8F2O2 Formula weight: 138.11 Purity: 97% CAS Number: 28781-85-3 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2915.90 Hazard Statements: H226-H315-H319-H335 Flammable liquid…

  • Ethyl imidazole-2-carboxylate, 97%

    Alfa Aesar

    Synonym(s): Imidazole-2-carboxylic acid ethyl ester Formula: C6H8N2O2 Formula weight: 140.14 Purity: 97% CAS Number: 33543-78-1 Harmonized Tariff Code:  2933.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Ethyl 4-piperidone-3-carboxylate hydrochloride, 97%

    Alfa Aesar

    Synonym(s): 3-Carboethoxy-4-piperidone hydrochloride, Ethyl 4-oxo-piperidine-3-carboxylate hydrochloride Formula: C8H13NO3 HCl Formula weight: 207.66 Purity: 97% CAS Number: 4644-61-5 Harmonized Tariff Code:  2933.39 Hazard Statements: H315-H319-H335 Causes skin irritation.…

  • Ethyl butyrate, 99%

    Alfa Aesar

    Synonym(s): Butyric acid ethyl ester Formula: CH3CH2CH2CO2CH2CH3 Formula weight: 116.16 Purity: 99% CAS Number: 105-54-4 UN Number: UN1180 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2915.60 Hazard Statements: H226-H315-H319-H335 Flammable liquid and…

  • Ethyl 2-(trifluoromethyl)benzoate, 98%

    Alfa Aesar

    Synonym(s): 2-(Trifluoromethyl)benzoic acid ethyl ester Formula: C10H9F3O2 Formula weight: 218.18 Purity: 98% CAS Number: 577-62-8 Packing Group: III Harmonized Tariff Code:  2916.39

  • Ethoxycarbonyl isothiocyanate, 97%

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonym(s): Ethyl isothiocyanatoformate Formula: C4H5NO2S Formula weight: 131.15 Purity: 97%…

  • Ethyl 4-methyloxazole-5-carboxylate, 97+%

    Alfa Aesar

    Synonym(s): 4-Methyloxazole-5-carboxylic acid ethyl ester Formula: C6H7NO3 Formula weight: 141.10 Purity: 97+% CAS Number: 20485-39-6

  • Ethyl 2-(1-Fmoc-3-indolyl)thiazole-4-acetate, 97%

    Alfa Aesar

    Formula: C30H24N2O4S Formula weight: 508.59 Purity: 97% Harmonized Tariff Code:  2934.99 Risk Phrases: 36/37/38 Irritating to eyes, respi

  • Ethyl 2,4-difluorobenzoate, 98%

    Alfa Aesar

    Synonym(s): 2,4-Difluorobenzoic acid ethyl ester Formula: C9H8F2O2 Formula weight: 186.16 Purity: 98% CAS Number: 108928-00-3 Harmonized Tariff Code:  2916.39

  • Ethyl (R)-nipecotate L-tartrate, 98%

    Alfa Aesar

    Formula: C12H21NO8 Formula weight: 307.30 Purity: 98% CAS Number: 167392-57-6 Harmonized Tariff Code:  2933.39 Hazard Statements:

  • Ethyl methoxyacetate, 98%

    Alfa Aesar

    Synonym(s): Methoxyacetic acid ethyl ester Formula: CH3OCH2CO2CH2CH3 Formula weight: 118.13 Purity: 98% CAS Number: 3938-96-3 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2918.99 Hazard Statements: H226 Flammable liquid and vapour. …

  • Ethyl hydrogen glutarate, 97%

    Alfa Aesar

    Synonym(s): Glutaric acid monoethyl ester, Monoethyl glutarate Formula: C7H12O4 Formula weight: 160.17 Purity: 97% CAS Number: 1070-62-8 Harmonized Tariff Code:  2917.19 Hazard Statements: H315-H319 Causes skin irritation. Causes serious eye irritation. Precautionary…

  • Ethyl (phenylthio)acetate, 97%

    Alfa Aesar

    Synonym(s): (Phenylthio)acetic acid ethyl ester Formula: C10H12O2S Formula weight: 196.27 Purity: 97% CAS Number: 7605-25-6 Harmonized Tariff Code:  2930.90

  • Ethyl trans-2-(hydroxymethyl)cyclopropanecarboxylate, 97%

    Alfa Aesar

    Synonym(s): trans-2-(Hydroxymethyl)cyclopropanecarboxylic acid ethyl ester Formula: C7H12O3 Formula weight: 144.16 Purity: 97% Harmonized Tariff Code:  2916.20

  • Ethyl 4-nitrophenylglyoxylate, 98+%

    Alfa Aesar

    Synonym(s): Ethyl 4-nitrobenzoylformate, 4-Nitrophenylglyoxylic acid ethyl ester Formula: C10H9NO5 Formula weight: 223.19 Purity: 98+% CAS Number: 70091-75-7 Harmonized Tariff Code:  2916.39

  • Ethyl vinyl ketone, 97%, stab.

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonym(s): 1-Penten-3-one Formula: C5H8O Formula weight: 84.12 Purity: 97%, stab. CAS…

  • EPPS, 0.2M buffer soln., pH 8.0

    Alfa Aesar

    Synonym(s): HEPPS CAS Number: 16052-06-5 Harmonized Tariff Code:  2933.59

  • Ethyl 3-formylbenzoate, 98%

    Alfa Aesar

    Synonym(s): 3-Ethoxycarbonylbenzaldehyde, 3-Formylbenzoic acid ethyl ester Formula: C10H10O3 Formula weight: 178.19 Purity: 98% CAS Number: 337

  • Ethylphosphonic dichloride, 98%

    Alfa Aesar

    NOTE: Due to special handling or shipping requirements, these products will have additional fees added during checkout. Click HERE for a description of what fees might be charged.   Synonym(s): Ethanephosphonic dichloride Formula: C2H5Cl2OP Formula weight: 146.94 Purity: …

  • Ethyl vanillate, 97%

    Alfa Aesar

    Synonym(s): Ethyl 4-hydroxy-3-methoxybenzoate, Vanillic acid ethyl ester Formula: C10H12O4 Formula weight: 196.20 Purity: 97% CAS Number: 617-05-0 Harmonized Tariff Code:  2916.39

  • 2-Ethoxybenzoyl chloride, 98%

    Alfa Aesar

    Formula: C9H9ClO2 Formula weight: 184.62 Purity: 98% CAS Number: 42926-52-3 UN Number: UN3265 Hazard Class: 8 Packing Group: II Harmonized Tariff Code:  2918.99 Hazard Statements: H314-H318 Causes severe skin burns and eye damage. Causes serious eye damage. Precautionary…

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