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Merck

201626

Sigma-Aldrich

Fluoresceinamine, isomer I

Sinónimos:

5-Aminofluorescein

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250 MG
$102.000
1 G
$274.000
5 G
$944.000

$102.000


Fecha estimada de envío25 de abril de 2025


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250 MG
$102.000
1 G
$274.000
5 G
$944.000

About This Item

Fórmula empírica (notación de Hill):
C20H13NO5
Número de CAS:
Peso molecular:
347.32
Beilstein:
48395
Número CE:
Número MDL:
Código UNSPSC:
12171500
ID de la sustancia en PubChem:
NACRES:
NA.47

$102.000


Fecha estimada de envío25 de abril de 2025


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Formulario

powder

Nivel de calidad

mp

223 °C (dec.) (lit.)

solubilidad

methanol: 5 mg/mL

λmáx.

496 nm

aplicaciones

diagnostic assay manufacturing
hematology
histology

temp. de almacenamiento

room temp

cadena SMILES

Nc1ccc2c(c1)C(=O)OC23c4ccc(O)cc4Oc5cc(O)ccc35

InChI

1S/C20H13NO5/c21-10-1-4-14-13(7-10)19(24)26-20(14)15-5-2-11(22)8-17(15)25-18-9-12(23)3-6-16(18)20/h1-9,22-23H,21H2

Clave InChI

GZAJOEGTZDUSKS-UHFFFAOYSA-N

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Descripción general

Fluoresceinamine, isomer I belongs to the class of derivatized fluoresceins.

Aplicación

Fluoresceinamine, isomer I is suitable for use in a specific and sensitive spectrophotometric method for determining nitrite. It has been used to fluorescently tag nanoparticles through a competitive carboxyl-amine coupling reaction to visualize nanoparticle internalization.

Pictogramas

Exclamation mark

Palabra de señalización

Warning

Frases de peligro

Clasificaciones de peligro

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Órganos de actuación

Respiratory system

Código de clase de almacenamiento

11 - Combustible Solids

Clase de riesgo para el agua (WGK)

WGK 3

Punto de inflamabilidad (°F)

Not applicable

Punto de inflamabilidad (°C)

Not applicable

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Faceshields, Gloves


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A synthetic membrane-anchored antigen efficiently promotes uptake of antifluorescein antibodies and associated protein a by mammalian cells.
S L Hussey et al.
Journal of the American Chemical Society, 123(50), 12712-12713 (2001-12-14)
B L Allman et al.
Clinical chemistry, 27(7), 1176-1179 (1981-07-01)
We describe a fluoroimmunoassay for progesterone in serum or plasma. The assay involves use of an antiserum to progesterone-11-hemisuccinate and a labeled antigen prepared by linking fluoresceinamine to progesterone-3-carboxymethyloxime by use of a mixed-anhydride procedure. Serum or plasma samples are
P Gribbon et al.
Biophysical journal, 77(4), 2210-2216 (1999-10-08)
Hyaluronan (HA) is a highly hydrated polyanion, which is a network-forming and space-filling component in the extracellular matrix of animal tissues. Confocal fluorescence recovery after photobleaching (confocal-FRAP) was used to investigate intramolecular hydrogen bonding and electrostatic interactions in hyaluronan solutions.
Mirko Nitschke et al.
Colloids and surfaces. B, Biointerfaces, 90, 41-47 (2011-10-22)
Physico-chemical and topographical cues allow to control the behavior of adherent cells. Towards this goal, commercially available cell culture carriers can be finished with a laterally microstructured biomolecular functionalization. As shown in a previous study [Biomacromolecules 4 (2003) 1072], the
Paul Kremer et al.
Neurosurgery, 64(3 Suppl), ons53-ons60 (2009-03-03)
The newly developed conjugate 5-aminofluorescein (AFL)-human serum albumin (HSA) was investigated in a clinical trial for fluorescence-guided surgery of malignant brain tumors to assess its efficacy and tolerability. AFL, covalently linked to human serum albumin at a molar ratio of

Questions

1–2 of 2 Questions  
  1. Dear manager, I want to ask you 2 questions about this product. 1. Is it a flurescence dye? Can you show me its adsorption or emission spectrum? 2. Is the amine group reactive?

    1 answer
    1. Yes, Fluoresceinamine, isomer I is classified as belonging to a group of derivatized fluorosceins. The product is fluorescent. Although no quality control testing is performed to check for excitation and emission, the dye is expected to excite around 490 nm and emit around 520 nm.

      As the H2N- group is not acetylated or protonated, the amine group can be considered reactive. There is literature available stating Fluoresceinamine, isomer I can be covalently bound to human serum albumin.

      Helpful?

  2. What is the solubility of Fluoresceinamine, isomer I, CAS 3326-34-9?

    1 answer
    1. Soluble in methanol at a concentration of 5 mg/mL. Soluble in DMSO at a concentration of ≥ 32 mg/mL.

      Helpful?

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