Reagents, E

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  • 2-Ethoxyethanol

    MilliporeSigma

    Formula: HOCH2CH2OCH2CH3 Formula Weight: 90.12 CAS Number: 110-80-5 Synonym(s): Ethylene Glycol Monoethyl Ether Description:

  • Ethyl 2-chloroacetoacetate, 96%

    Alfa Aesar

    Synonym(s): 2-Chloroacetoacetic acid ethyl ester Formula: C6H9ClO3 Formula weight: 164.59 Purity: 96% CAS Number: 609-15-4 Packing Group: III Harmonized Tariff Code:  2918.30 Hazard Statements: H301-H227-H315-H319-H335 Toxic if swallowed. Combustible liquid. Causes skin…

  • ALDRICH 2-(Dimethylamino)ethanethiol hydrochloride, 95%

    MilliporeSigma

    Synonym(s): MEDA Formula: (CH3)2NCH2CH2SH · HCl Formula Weight: 141.66 CAS No.: 13242-44-9 Purity: 95% Application: Metal-complexing agent Packaging: 25, 100 g in glass bottle

  • ALDRICH Ethylenediaminetetraacetic acid, iron(III) sodium salt hydrate

    MilliporeSigma

    Empirical Formula: C10H12FeN2NaO8 -+ xH2O Linear Formula: [(O2CCH2)2NCH2CH2N(CH2CO2)2]FeNa-+xH2O Formula Weight: 367.05 (anhydrous basis) …

  • Ethyl isobutyrate

    MilliporeSigma

    analytical standard Empirical Formula: C6H12O2 Formula Weight: 116.16 Linear Formula: (CH3)2CHCOOC2H5 MDL Number: MFCD00009165 Purity: ≥99.0% (GC) Boiling Point: 112-113 °C(lit.) …

  • Ethylferrocene, 98%

    Alfa Aesar

    Formula: C2H5C5H4FeC5H5 Formula weight: 214.09 Purity: 98% CAS Number: 1273-89-8 Harmonized Tariff Code:  2931.90

  • cis-1,2-Bis(diphenylphosphino)ethylene, 97%

    Alfa Aesar

    Formula: C26H22P2 Formula weight: 396.41 Purity: 97% CAS Number: 983-80-2 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • SIGMA Enterokinase human recombinant, expressed in CHO cells, >=90% (SDS-PAGE), …

    MilliporeSigma

    Purity: ≥90% (HPLC); ≥90% (SDS-PAGE) Storage: −20°C

  • ALDRICH Ethyl 3,5-bis[(diphenylphosphino)oxy]benzoate diborane complex, 95%

    MilliporeSigma

    Synonym(s): 3,5-Bis[(diphenylphosphino)oxy]ethylbenzoate diborane complex Empirical Formula: C33H34B2O4P2 Linear Formula: C33H34B2O4P2 Formula Weight: 578.19 MDL Number: …

  • ALDRICH 1-Ethyl-3-methylimidazolium methyl sulfate, Greater Than or Equal to 98…

    MilliporeSigma

    Formula: C7H14N2O4S Formula Weight: 222.26 CAS No.: 516474-01-4 Purity: ≥98.0% (HPLC) Packaging: 5, 50 g in glass bottle

  • SIAL Eriochrome® Black T

    MilliporeSigma

    ACS reagent (indicator grade) Synonym(s): Mordant Black 11 Empirical Formula: C20H12N3NaO7S Formula Weight: 461.38 Linear Formula: C20H12N3NaO7S MDL Number: MFCD00003935 Beilstein Registry…

  • "Epoxidized soya bean oil, analytical standard, for food analysis"

    MilliporeSigma

    Synonyms: ESBO; Soybean oil, epoxidized CAS No.: 8013-07-8 Density: 0.997 g/mL(lit.) Other Notes: Qualitative standard for the determination of ESBO in foods with HPLC-MS or GC-MS. ESBO is currently still employed as plasticizer and HCl scavenger in foamed PVC used in cap linings

  • 3-Ethyltoluene, 98+%

    Alfa Aesar

    Formula: C9H12 Formula weight: 120.20 Purity: 98+% CAS Number: 620-14-4 UN Number: UN3295 Hazard Class: 3 Packing Group: III Harmonized Tariff Code:  2902.90 Hazard Statements: H304-H226 May be fatal if swallowed and enters airways. Flammable liquid and vapour. …

  • Ethyl octanoate, ReagentPlus®, >=99%

    MilliporeSigma

    CAS No.: 106-32-1 Synonyms: Ethyl caprylate Formula: C10H20O2 Formula Weight: 172.26 Linear Formula: CH3(CH2)6COOC2H5 MDL No.: MFCD00009552 Purity: ≥99% Boiling Point: …

  • SIGMA Efavirenz >=98% (HPLC)

    MilliporeSigma

    Synonym(s): Efavirenz; (4S)-6-Chloro-4-(2-cyclopropylethynyl)-1,4-dihydro-4-(trifluoromethyl)-2H-3,1-benzoxazin-2-one Empirical Formula: C14H9ClF3NO2 Linear Formula: C14H9ClF3NO2 Formula Weight: 315.67…

  • ALDRICH Ethyl trans-2-butenoate, natural, >=97%, FG

    MilliporeSigma

    Synonym(s): Ethyl crotonate Linear Formula: CH3CH=CHCOOC2H5 MDL Number: MFCD00009289 Purity: ≥97% Refractive Index: n 20/D 1.425

  • Ethidium bromide soln., 10mg/ml

    Alfa Aesar

    Formula: C21H20BrN3 Formula weight: 394.32 CAS Number: 1239-45-8 UN Number: UN2810 Hazard Class: 6.1 Packing Group: III Harmonized Tariff Code:  2933.99 Hazard Statements: H341 Suspected of causing genetic defects. Precautionary Statements: …

  • 4-(Ethylsulfonyl)benzeneboronic acid, 98+%

    Alfa Aesar

    Synonym(s): 4-(Ethanesulfonyl)benzeneboronic acid, 4-(Ethylsulfonyl)phenylboronic acid Formula: C8H11BO4S Formula weight: 214.05 Purity: 98+% CAS Number: 352530-24-6 Harmonized Tariff Code:  2931.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye…

  • Erbium(III) phosphate hydrate, 99.9% (REO)

    Alfa Aesar

    Formula: ErPO4 xH2O Formula weight: 262.23(anhy) Purity: 99.9% (REO) CAS Number: 14242-01-4 Harmonized Tariff Code:  2846.90 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

  • Ethanol, 200 proof, anhydrous, =99.5%

    MilliporeSigma

    Synonyms: Ethyl alcohol Formula: CH3CH2OH Formula Weight: 46.07 CAS No.: 64-17-5 Purity: ≥99.5% Density: 0.789 g/mL at 20 °C; 0.789 g/mL at 25 °C(lit.) General description: Prices include Federal Tax. Other Notes: …

  • "Ethylhydrocupreine hydrochloride, analytical standard, for drug analysis"

    MilliporeSigma

    Synonyms: Optochin Formula: C21H28N2O2 · HCl Formula Weight: 376.92 CAS No.: 3413-58-9 Storage Temperature: 2-8°C Application: Sensitive and specific reagent for the identification of Streptococcus pneumoniae.

  • SUPELCO EPA 8260 Calibration Mix 3

    MilliporeSigma

    in methanol (varied conc.), analytical standard Components: Acetonitrile 2000 μg/mL; Acrylonitrile 2000 μg/mL; 1-Butanol 4000 μg/mL; tert -Butanol 4000 μg/mL; Diisopropyl ether 1000 μg/mL; 1,4-Dioxane 10000 μg/mL; Ethanol 10000 μg/mL; Methacrylonitrile 2000…

  • 2-(Ethylthio)ethylamine, 96%

    MilliporeSigma

    CAS No.: 36489-03-9 Formula: C4H11NS Formula Weight: 105.2 Linear Formula: CH3CH2SCH2CH2NH2 MDL No.: MFCD00014826 Purity: 0.96 Boiling Point: 159-160 °C/760 mmHg(lit.) Flash Point (F):…

  • SIGMA Earle's Balanced Salts With sodium bicarbonate, without phenol red, liquid…

    MilliporeSigma

    Synonym(s): EBSS MDL Number: MFCD00217343

  • ALDRICH Erbium(III) trifluoromethanesulfonate, 98%

    MilliporeSigma

    Synonym(s): Erbium(III) triflate; Trifluoromethanesulfonic acid erbium(III) salt Formula: (CF3SO3)3Er Formula Weight: 614.47 CAS No.: 139177-64-3 Purity: 98% Application: A water-tolerant Lewis acid used in the Aldol reaction of silyl enol ethers…

  • Esculin, Hydrate

    Bio Basic Inc.

  • ALDRICH Ethyl 1-piperazinecarboxylate, 99%

    MilliporeSigma

    Synonym(s): 1-Ethoxycarbonylpiperazine; Piperazine-1-carboxylic acid ethyl ester Empirical Formula: C7H14N2O2 Linear Formula: C7H14N2O2 Formula Weight: 158.20 MDL Number: MFCD00005964 Purity: 99%…

  • Ethyl 2-fluorobenzoate, 98+%

    Alfa Aesar

    Synonym(s): 2-Fluorobenzoic acid ethyl ester Formula: C9H9FO2 Formula weight: 168.17 Purity: 98+% CAS Number: 443-26-5 Harmonized Tariff Code:  2916.39

  • Erbium(III) iodide, anhydrous, REacton r, 99.99% (REO)

    Alfa Aesar

    Formula: ErI3 Formula weight: 547.97 Purity: 99.99% (REO) CAS Number: 13813-42-8 Harmonized Tariff Code:  2846.90

  • Eosin Yellowish

    Alfa Aesar

    Synonym(s): Acid Red 87, C.I. 45380 Formula: C20H6Br4Na2O5 Formula weight: 691.86 CAS Number: 17372-87-1 Harmonized Tariff Code:  3204.12 Hazard Statements: H319 Causes serious eye irritation. Precautionary Statements: P280-P264-P305+P351+P338-P337+P313 Wear protective…

  • Ethyl 4-isopropylpiperazine-1-carboxylate, 98%

    Alfa Aesar

    Synonym(s): Ethyl 4-(1-methylethyl)piperazine-1-carboxylate, 4-Isopropylpiperazine-1-carboxylic acid ethyl ester Formula: C10H20N2O2 Formula weight: 200.28 Purity: 98% CAS Number: 61014-91-3 Harmonized Tariff Code:  2933.59 Hazard Statements: H315-H319-H335 Causes skin…

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