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CAS 17372-87-1: Eosina

Descripción:
Eosina, con el número CAS 17372-87-1, es un colorante sintético que pertenece a la clase de los colorantes xanténicos. Se utiliza principalmente como un tinte biológico en histología y citología, permitiendo la visualización de estructuras celulares bajo un microscopio. Eosina se caracteriza por su vibrante color rojo a rosa, que resulta de su sistema de enlaces dobles conjugados que permite una efectiva absorción de luz. El colorante es soluble en agua y alcohol, lo que lo hace versátil para diversas aplicaciones. Eosina se utiliza a menudo en combinación con hematoxilina en protocolos de tinción, donde proporciona contraste a los núcleos teñidos de azul, destacando el citoplasma y otros componentes celulares. Además, Eosina exhibe propiedades de fluorescencia, que pueden ser utilizadas en microscopía de fluorescencia. Es importante manejar Eosina con cuidado, ya que puede causar irritación al contacto con la piel o los ojos. En general, Eosina es una herramienta valiosa en la investigación biológica y el diagnóstico, ayudando en el estudio de la morfología de los tejidos y las características celulares.
Fórmula:C20H8Br4O5·2Na
InChI:InChI=1S/C20H8Br4O5.2Na/c21-11-5-9-17(13(23)15(11)25)28-18-10(6-12(22)16(26)14(18)24)20(9)8-4-2-1-3-7(8)19(27)29-20;;/h1-6,25-26H;;
Clave InChI:InChIKey=WUMPFXDWXTYERP-UHFFFAOYSA-N
SMILES:O=C1OC2(C=3C(OC=4C2=CC(Br)=C(O)C4Br)=C(Br)C(O)=C(Br)C3)C=5C1=CC=CC5.[Na]
Sinónimos:
  • 2,4,5,7-Tetrabromo-3,6-Fluorandiol
  • 2,4,5,7-Tetrabromofluorescein
  • Bromoeosine
  • Bromofluorescein
  • Certistain
  • Dinatrium-2-(2,4,5,7-tetrabrom-6-oxido-3-oxoxanthen-9-yl)benzoat
  • Eosine
  • Shuhong
  • Tetrabromofluorescein
  • 11731 red
  • Eosin Y
  • Ver más sinónimos
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Encontrado 19 productos.
  • Eosin Y, pure, high purity, biological stain

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Fórmula:C20H6Br4Na2O5
    Forma y color:Red to brown, Crystalline powder
    Peso molecular:691.86

    Ref: AC-15288

    25g
    Descatalogado
    100g
    Descatalogado
    500g
    Descatalogado
    Producto descatalogado
  • Eosin Y disodium salt - 5wt % in H2O

    CAS:
    Eosin Y disodium salt is a water-soluble compound that is used as a fluorescent stain for biological samples. The compound has been shown to be toxic to mice, producing acute toxicities at high concentrations. Eosin Y also has a blue color and can be used to identify the presence of copper in vivo. Eosin Y is an effective agent for the treatment of wastewater, especially when combined with benzalkonium chloride. It can also be used in the treatment of skin cancer and has been shown to inhibit tumor growth in mice. The optimum concentration of eosin Y for staining is 1% in H2O.
    Fórmula:C20H6Br4Na2O5
    Pureza:Min. 95%
    Peso molecular:691.85 g/mol

    Ref: 3D-FE165718

    1kg
    Descatalogado
    50g
    Descatalogado
    250g
    Descatalogado
    Producto descatalogado
  • Red No.230(1) for TLC RS

    CAS:
    Forma y color:Yellow-Brown To Red-Brown Solid Grains Or Powder

    Ref: 2K-4015000021

    100mg
    A consultar
  • Eosin Y, pure, Indicator grade

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Fórmula:C20H6Br4Na2O5
    Forma y color:Dark red-brown, Crystalline powder
    Peso molecular:691.86

    Ref: AC-20193

    25g
    Descatalogado
    100g
    Descatalogado
    250g
    Descatalogado
    Producto descatalogado
  • Eosin Yellow (water soluble) for cell culture, Endotoxin (BET) 1EU/mg

    CAS:
    Fórmula:C20H6Br4Na2O5
    Forma y color:Brownish red, Powder
    Peso molecular:691.85

    Ref: SR-81614

    25g
    44,00€
    100g
    80,00€
  • Field's Stain B

    CAS:
    Used to stain blood smears to identify malarial parasites This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Fórmula:C20H6Br4Na2O5
    Forma y color:Pink to red/dark red, Crystals, powder or crystalline powder
    Peso molecular:691.86

    Ref: 02-A18578

    ne
    A consultar
  • Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one,2',4',5',7'-tetrabromo-3',6'-dihydroxy-, disodium salt

    CAS:
    Fórmula:C20H8Br4NaO5
    Pureza:80%
    Forma y color:Solid
    Peso molecular:670.8802900000001

    Ref: IN-DA00HZMG

    25g
    26,00€
    50g
    30,00€
    100g
    37,00€
    20kg
    1.624,00€
    25kg
    2.150,00€
    300g
    75,00€
    400g
    98,00€
    500g
    100,00€
    50kg
    2.846,00€
  • AMI5

    CAS:
    AMI5 (Eosin Y Disodium) is a soluble acidic red dye molecule. It is commonly used as a photoredox catalyst in organic synthesis.Cost-effective and quality-assured.
    Fórmula:C20H6Br4Na2O5
    Pureza:64.47%
    Forma y color:Brown Solid Powder
    Peso molecular:691.85

    Ref: TM-T2178

    1g
    89,00€
    50mg
    35,00€
    100mg
    50,00€
    500mg
    74,00€
    1mL*10mM (DMSO)
    34,00€
  • Eosin

    CAS:
    Fórmula:C20H6Br4Na2O5
    Peso molecular:691.86

    Ref: 4Z-D-164048

    5mg
    A consultar
    10mg
    A consultar
    25mg
    A consultar
    50mg
    A consultar
    100mg
    A consultar
  • Red No.230(2) for TLC RS

    CAS:
    Forma y color:Yellow-Brown To Red-Brown Solid Grains Or Powder

    Ref: 2K-4016000021

    100mg
    A consultar
  • Acid Red 87

    CAS:
    Fórmula:C20H6Br4O5·2Na

    Ref: TR-DRE-C10028840

    100mg
    142,00€
  • Eosin Yellow (water soluble)

    CAS:
    Fórmula:C20H6Br4Na2O5
    Forma y color:Brownish red, Powder
    Peso molecular:691.85

    Ref: SR-29391

    25g
    20,00€
    100g
    28,00€
    500g
    56,00€
  • Eosin Y disodium salt

    CAS:
    Eosin Y, a red xanthene dye, has been noted to reduce the affinity of Mg2+-ATPase for ATP and increase the enzyme affinity for Mg2+ at concentrations of 10-50 μM. At higher concentrations near 100 μM the affinity for Mg2+-ATPase for the ion-activator has been shown to be reduced. This compound has also been reported to be a photosensitizer that works as a molecular photoelectrode via catalyzation of the visible-light-driven electron-transfer reaction. Eosin Y has been used to stain structures such as muscle, cytoplasm, and collagen. This agent also enhances fluorescent quenching abilities by forming a complex with polyvinulpyrrolidone.
    Fórmula:C20H6Br4Na2O5
    Pureza:Min. 95%
    Forma y color:Brown Powder
    Peso molecular:691.85 g/mol

    Ref: 3D-FE01492

    1kg
    705,00€
    2kg
    996,00€
    100g
    212,00€
    250g
    318,00€
    500g
    497,00€
  • Eosin Yellowish

    CAS:
    Eosin Yellowish noted to reduce the affinity of Mg2+-ATPase for ATP and increase the enzyme affinity for Mg2+ at concentrations of 10-50 M. At higher concentrations near 100 ?M the affinity for Mg2+-ATPase for the ion-activator has been shown to be reduced. This compound has also been reported to be a photosensitizer that works as a molecular photoelectrode via catalyzation of the visible-light-driven electron-transfer reaction. Eosin Y is also used to stain structures such as muscle, cytoplasm, and collagen. This agent also enhances fluorescent quenching abilities by forming a complex with polyvinulpyrrolidone. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Fórmula:C20H6Br4Na2O5
    Forma y color:Powder, Red to brown
    Peso molecular:691.86

    Ref: 02-B24535

    50g
    32,00€
    250g
    99,00€
  • Acid Red 87

    CAS:
    Fórmula:C20H6Br4O5Na
    Forma y color:Neat
    Peso molecular:691.85

    Ref: 04-C10028840

    100mg
    143,00€
  • Acid Red 87

    CAS:
    Fórmula:C20H6Br4Na2O5
    Pureza:>90.0%(E)
    Forma y color:Orange to Brown to Dark red powder to crystaline
    Peso molecular:691.86

    Ref: 3B-T0037

    25g
    30,00€
  • Eosin Y, pure, certified

    CAS:
    This Thermo Scientific Chemicals brand product was originally part of the Acros Organics product portfolio. Some documentation and label information may refer to the legacy brand. The original Acros Organics product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
    Fórmula:C20H6Br4Na2O5
    Forma y color:Red to brown, Powder
    Peso molecular:691.86

    Ref: AC-40943

    25g
    Descatalogado
    Producto descatalogado
  • AMI5

    CAS:
    AMI5
    Pureza:≥60%
    Peso molecular:691.85g/mol

    Ref: 54-BUP14944

    1g
    132,00€
    50mg
    52,00€
    100mg
    73,00€
    500mg
    110,00€
  • Eosin Y disodium salt (C.I. 45380)

    CAS:
    Fórmula:C20H6Br4Na2O5
    Pureza:≥ 88.0%
    Forma y color:Dark red to brown powder
    Peso molecular:691.86

    Ref: 7W-GT2884

    25g
    22,00€
    100g
    63,00€
    250g
    118,00€