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CAS No 7365-45-9 , 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid

  • Name: 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
  • Synonyms: AG-G-91563; 4-(2-Hydroxyethyl)piperazine-1-ethanesulfonic acid;2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid;7365-45-9; 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid;
  • CAS Registry Number:
  • Melting Point: 234-238 ºC
  • Refractive index: n20/D 1.339
  • Safety Statements: 24/25-22-36-26
  • Hazard Symbols: Xi: Irritant;
  • HS Code: 29335995
  • EINECS: 230-907-9
  • Molecular Weight: 238.30452
  • InchiKey: JKMHFZQWWAIEOD-UHFFFAOYSA-N
  • InChI: InChI=1S/C8H18N2O4S/c11-7-5-9-1-3-10(4-2-9)6-8-15(12,13)14/h11H,1-8H2,
    (H,12,13,14)
  • Risk Statements: S22;S24/25
  • Molecular Formula: C8H18N2O4S
  • Molecular Structure:CAS No:7365-45-9 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
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7365-45-9 HEPES

  • Molecular formula: C8H18N2O4S Molecular weight: 238.305 The H key to accept the body: 6 The H key supply: 2 Molecular weight: 238.306 Reverse key: 4 Hydrophobic parameter: -4.07 In violation of a number: 0 Appearance: white crystalline powder MP/BP C...
  • FOB Price: USD227 - 483 /
  • China Suzhou Yacoo science Corporation [Manufacturer]
  • Tel: 86-0512-87666785
  • Fax: 86-0512-87182056
  • Address: 17 Jinahi RD Suzhou Industrial Park China Suzhou,JiangsuChina
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  • 7365-45-9 HEPES 2-[4-(2-HYDROXYETHYL)-1-PIPERAZINYL]ETHANESULFONIC ACID 99+%

    • Hong kong Advanced Technology & Industrial Co., Ltd. [Manufacturer]
    • Tel: (852) 2390 2293/ (852) 2394 5546
    • Fax: (852) 2789 8314
    • Address: Unit B, 1/F., Cheong Shing Bldg.,
      17 Walnut St., Tai Kok Tsui, Kln,
      Hong Kong null,nullHong kong
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    7365-45-9 HEPES; 99%

    • Germany ABCR GmbH & Co KG [Manufacturer]
    • Tel: +49 721 95061-0
    • Fax: +49 721 95061-80
    • Address: Im Schlehert 10
      76187 Karlsruhe
      Germany null,nullGermany
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    7365-45-9 4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic acid

    • United States HBCChem, Inc. [Manufacturers]
    • Tel: +1-510-219-6317
    • Fax: +1-510-675-0318
    • Address: null Union City,CaliforniaUnited States
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    7365-45-9 N-(2-HYDROXYETHYL)-PIPERAZINE-N''-2-ETHANESULFONIC ACID

    • Germany CHEMOS GmbH [Manufacturer]
    • Tel: 0049 9402/9336 0
    • Fax: 0049 9402/9336 13
    • Address: CHEMOS GmbH
      Werner-von-Siemensstr. 3
      93128 Regenstauf
      Germany null,nullGermany
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    7365-45-9 4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic acid

    • Hong kong ADVANCED TECH. & IND. CO., LTD. [Distributor/Wholesaler]
    • Tel: 86-23902293
    • Fax: 86-27898314
    • Address: UNIT B, 1/F, CHEONG SHING IND. BLDG., 17 WALNUT ST., TAI KOK TSUI, KLN, HONG KONG Hong Kong,nilHong kong
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    7365-45-9 HEPES

    • United States Aceto Corp. [Manufacturer]
    • Tel: 516-627-6000
    • Fax: 516-627-6093
    • Address: One Hollow Lane
      Lake Success, NY 11042-1215 null,nullUnited States
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    7365-45-9 4-(2-hydroxyerhyl)piperazine-1-erhanesulfonic acid

    • China HuaiBei SanHe Developing Co., Ltd. [Manufacturers]
    • Tel: 86-561-3191113
    • Fax: +86-561-3192253
    • Address: Room 201,Building ZY-1,GuCheng Road,Huaibei,Anhui,China null,anhuiChina
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    7365-45-9 Hepes (N-2-Hydroxyethylpiperazine-N-2-Ethanesulfon...

    • United States Aceto Corporation [Importer/Exporter]
    • Tel: +1-(516)-627-6000
    • Fax: +1-(516)-627-6093
    • Address: One Hallow Lane, Lake Success, New York 11042-1215, null,nullUnited States
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    7365-45-9 2-[4-(2-HYDROXYETHYL)-1-PIPERAZINE]ETHANESULFONIC ACID HEPES

    • Germany Intatrade Chemicals GmbH [Manufacturer]
    • Tel: +49 3493/605464
    • Fax: +49 3493/605470
    • Address: Intatrade Chemicals GmbH
      Vierzoner Strasse 14
      D-06749 Bitterfeld, Germany null,nullGermany
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    References of 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid
    Title: HEPES
    CAS Registry Number: 7365-45-9
    CAS Name: 4-(2-Hydroxyethyl)-1-piperazineethanesulfonic acid
    Synonyms: N-(2-hydroxyethyl)piperazine-N¢-2-ethanesulfonic acid
    Molecular Formula: C8H18N2O4S
    Molecular Weight: 238.30
    Percent Composition: C 40.32%, H 7.61%, N 11.76%, O 26.86%, S 13.46%
    Literature References: One of several zwitterionic N-substituted aminosulfonic acids known as Good Buffers, active in the pH range of 6-8.5. Prepn: N. E. Good et al., Biochemistry 5, 467 (1966). Buffering characteristics: W. J. Ferguson et al., Anal. Biochem. 104, 300 (1980). Temperature effects on pKa and pH: R. N. Roy et al., Cryo-Lett. 6, 285 (1985). Interaction with hydroxyl radicals: M. Hicks, J. M. Gebicki, FEBS Lett. 199, 92 (1986). Interference with Lowry protein determination: H. M. Himmel, W. Heller, J. Clin. Chem. Clin. Biochem. 25, 909 (1987). Use as biological buffer: H. Eagle, Science 174, 500 (1971); K. V. Rao, Indian J. Exp. Biol. 15, 552 (1977); E. D. Lalague et al., J. Microsc. 127, 307 (1982); G. I. McFadden, M. Melkonian, Phycologia 25, 551 (1986).
    Properties: Crystals from alcohol + water, mp 234°. pKa1 ?3, pKa2 (20°) 7.55. DpKa/°C -0.014. Saturated aqueous soln is 2.25M at 0°.
    Melting point: mp 234°
    pKa: pKa1 ?3, pKa2 (20°) 7.55; pKa/°C -0.014
    Use: Biological buffer.