Reagents, E

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  • 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

  • Ethyl cyclohexylideneacetate, 98%

    Alfa Aesar

    Synonym(s): Cyclohexylideneacetic acid ethyl ester Formula: C10H16O2 Formula weight: 168.24 Purity: 98% CAS Number: 1552-92-7 Harmonized Tariff Code:  2916.20

  • Erbium, plasma standard solution, Specpure r, Er 10,000µg/ml

    Alfa Aesar

    Formula: Er2O3 in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Do not breathe…

  • Ethyl cyclohexanecarboxylate, 98+%

    Alfa Aesar

    Synonym(s): Cyclohexanecarboxylic acid ethyl ester Formula: C9H16O2 Formula weight: 156.23 Purity: 98+% CAS Number: 3289-28-9 Harmonized Tariff Code:  2916.20

  • Eserine

    Alfa Aesar

    Synonym(s): Physostigmine Formula: C15H21N3O2 Formula weight: 275.35 CAS Number: 57-47-6 UN Number: UN1544 Hazard Class: 6.1 Packing Group: I Harmonized Tariff Code:  2939.99 Hazard Statements: H300-H330 Fatal if swallowed. Fatal if inhaled. Precautionary Statements: …

  • 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…

  • 4-Ethylbenzamide, 98%

    Alfa Aesar

    Formula: C9H11NO Formula weight: 149.19 Purity: 98% CAS Number: 33695-58-8 Harmonized Tariff Code:  2924.29

  • 4-Ethylresorcinol, 98%

    Alfa Aesar

    Formula: C8H10O2 Formula weight: 138.17 Purity: 98% CAS Number: 2896-60-8 Harmonized Tariff Code:  2907.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • 2-(2-Ethoxyethoxy)ethyl bromide, 98%, stab. with potassium carbonate

    Alfa Aesar

    Synonym(s): 1-(2-Bromoethoxy)-2-ethoxyethane Formula: CH3CH2OCH2CH2OCH2CH2Br Formula weight: 197.08 Purity: 98%, stab. with potassium carbonate CAS Number: 54550-36-6 Harmonized Tariff Code:  2909.19 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • Ethyl 4-aminobutyrate hydrochloride, 98%

    Alfa Aesar

    Synonym(s): 4-Aminobutyric acid ethyl ester hydrochloride Formula: C6H13NO2 HCl Formula weight: 167.64 Purity: 98% CAS Number: 6937-16-2 Harmonized Tariff Code:  2922.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Ethyl 3-oxocyclobutanecarboxylate, 97%

    Alfa Aesar

    Synonym(s): 3-Oxocyclobutanecarboxylic acid ethyl ester, Ethoxycarbonyl-3-cyclobutanone Formula: C7H10O3 Formula weight: 142.15 Purity: 97% CAS Number: 87121-89-9 Harmonized Tariff Code:  2918.30

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

    Alfa Aesar

    Formula: Eu2O3 Formula weight: 351.92 Purity: 99.99% (REO) CAS Number: 1308-96-9 Harmonized Tariff Code:  2846.90

  • 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 3-bromobenzoate, 98+%

    Alfa Aesar

    Synonym(s): 3-Bromobenzoic acid ethyl ester Formula: C9H9BrO2 Formula weight: 229.07 Purity: 98+% CAS Number: 24398-88-7 Harmonized Tariff Code:  2916.39

  • Ethyl pyrazolo[1,5-a]pyrimidine-3-carboxylate, 95%

    Alfa Aesar

    Synonym(s): Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid ethyl ester Formula: C9H9N3O2 Formula weight: 191.19 Purity: 95% CAS Number: 115932-00-8 Harmonized Tariff Code:  2933.99 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Ethynyltri-n-butyltin, 96%

    Alfa Aesar

    Synonym(s): Ethynyltri-n-butylstannane, Tri-n-butyl(ethynyl)tin Formula: C14H28Sn Formula weight: 315.09 Purity: 96% CAS Number: 994-89-8 UN Number: UN2788 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2931.20 Hazard Statements: …

  • Ethyl 3,4-diaminobenzoate, 97%

    Alfa Aesar

    Synonym(s): 3,4-Diaminobenzoic acid ethyl ester Formula: C9H12N2O2 Formula weight: 180.20 Purity: 97% CAS Number: 37466-90-3 Harmonized Tariff Code:  2922.49 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory…

  • Ethyl isobutyrylacetate, 94%

    Alfa Aesar

    Synonym(s): Isobutyrylacetic acid ethyl ester Formula: C8H14O3 Formula weight: 158.20 Purity: 94% CAS Number: 7152-15-0 UN Number: UN3272 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2921.42 Hazard Statements: H226 Flammable liquid and vapour. …

  • Ethyl 2,6-dimethylbenzoate, 98%

    Alfa Aesar

    Synonym(s): 2,6-Dimethylbenzoic acid ethyl ester Formula: C11H14O2 Formula weight: 178.23 Purity: 98% CAS Number: 36596-67-5 Harmonized Tariff Code:  2916.31

  • Ethyl 5-phenoxycarbonylamino-1,2,3-thiadiazole-4-carboxylate, 98+%

    Alfa Aesar

    Synonym(s): 5-Amino-1,2,3-thiadiazole-4-carboxylic acid ethyl ester 5-(phenyl carbamate, 5-Phenoxycarbonylamino-1,2,3-thiadiazole-4-carboxylic acid ethyl ester Formula: C12H11N3O4S Formula weight: 293.30 Purity: 98+% CAS Number: 2037-81-2 Harmonized Tariff Code:  2934.99

  • 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…

  • Econazole nitrate

    Alfa Aesar

    Synonym(s): Ecostatin, 1-[2-(4-Chlorophenylmethoxy)-2-(2,4-dichlorophenyl)ethyl]-1H-imidazole nitrate Formula: C18H15Cl3N2O HNO3 Formula weight: 444.70 CAS Number: 24169-02-6 Harmonized Tariff Code:  2933.29 Hazard Statements: H302-H315-H319 Harmful if swallowed. Causes skin…

  • Ethoxytriethylsilane, 97%

    Alfa Aesar

    Synonym(s): Triethylethoxysilane Formula: C8H20OSi Formula weight: 160.33 Purity: 97% CAS Number: 597-67-1 UN Number: UN1993 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2931.90 Hazard Statements: H226-H315-H319-H335 Flammable liquid and vapour. Causes…

  • 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…

  • 1-Ethylpiperidine, 99%

    Alfa Aesar

    Synonym(s): N-Ethylpiperidine Formula: C7H15N Formula weight: 113.20 Purity: 99% CAS Number: 766-09-6 UN Number: UN2386 Hazard Class: 3 Packing Group: II Harmonized Tariff Code:  2933.39 Hazard Statements: H225-H314-H318 Highly flammable liquid and vapour. Causes severe…

  • Ethyl thiophene-2-glyoxylate, 97%

    Alfa Aesar

    Synonym(s): Thiophene-2-glyoxylic acid ethyl ester Formula: C8H8O3S Formula weight: 184.21 Purity: 97% CAS Number: 4075-58-5 Harmonized Tariff Code:  2934.99

  • Ethyl 3,4-dihydroxycinnamate, 97%

    Alfa Aesar

    Synonym(s): Ethyl caffeate, 3,4-Dihydroxycinnamic acid ethyl ester Formula: C11H12O4 Formula weight: 208.22 Purity: 97% CAS Number: 66648-50-8 Harmonized Tariff Code:  2918.29 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause…

  • Endothelin-1, human

    Alfa Aesar

    Formula: C109H159N25O32S5 Formula weight: 2491.95 CAS Number: 117399-94-7 Harmonized Tariff Code:  2933.99

  • Ethyl adamantane-1-carboxylate, 98+%

    Alfa Aesar

    Synonym(s): Adamantane-1-carboxylic acid ethyl ester Formula: C13H20O2 Formula weight: 208.30 Purity: 98+% CAS Number: 2094-73-7 Harmonized Tariff Code:  2916.20

  • Eriochrome Black T

    Alfa Aesar

    Synonym(s): C.I. 14645, Mordant Black 11 Formula: C20H12N3NaO7S Formula weight: 461.39 CAS Number: 1787-61-7 Harmonized Tariff Code:  2927.00 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary…

  • Ethyl 4-fluorobenzoate, 99%

    Alfa Aesar

    Synonym(s): 4-Fluorobenzoic acid ethyl ester Formula: C9H9FO2 Formula weight: 168.17 Purity: 99% CAS Number: 451-46-7 Harmonized Tariff Code:  2916.39

  • Ethyl 3-chlorobenzoate, 98+%

    Alfa Aesar

    Synonym(s): 3-Chlorobenzoic acid ethyl ester Formula: C9H9ClO2 Formula weight: 184.62 Purity: 98+% CAS Number: 1128-76-3 Harmonized Tariff Code:  2916.39

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