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Merck

46950

Fluoreszein-5(6)-isothiocyanat

BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC)

Fluorescein 5(6)-isothiocyanate

Synonym(e):

FITC

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50 MG

€ 39,60

250 MG

€ 114,00

1 G

€ 346,00

€ 39,60


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Über diesen Artikel

Empirische Formel (Hill-System):
C21H11NO5S
CAS-Nummer:
Molekulargewicht:
389.38
UNSPSC Code:
12171500
NACRES:
NA.32
PubChem Substance ID:
EC Number:
248-207-7
Beilstein/REAXYS Number:
1407295
MDL number:

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InChI key

MHMNJMPURVTYEJ-UHFFFAOYSA-N

InChI

1S/C21H11NO5S/c23-12-2-5-16-18(8-12)26-19-9-13(24)3-6-17(19)21(16)15-4-1-11(22-10-28)7-14(15)20(25)27-21/h1-9,23-24H

SMILES string

Oc1ccc2c(Oc3cc(O)ccc3C24OC(=O)c5cc(ccc45)N=C=S)c1

product line

BioReagent

assay

≥90% (HPLC)

Quality Level

form

powder

mol wt

389.38 g/mol

color

orange to dark orange, yellow to dark yellow

solubility

acetone: 0.1 g/10 mL, clear to very slightly hazy

fluorescence

λex 492 nm; λem 518 nm in 0.1 M phosphate pH 8.0

suitability

suitable for fluorescence

storage temp.

−20°C

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Dieser Artikel
F3651F7250F4274
suitability

suitable for fluorescence

suitability

-

suitability

-

suitability

-

fluorescence

λex 492 nm; λem 518 nm in 0.1 M phosphate pH 8.0

fluorescence

-

fluorescence

λex 492 nm; λem 518 nm (green)

fluorescence

λex 492 nm; λem 518 nm (green)

assay

≥90% (HPLC)

assay

≥90% (HPLC)

assay

≥90% (HPLC)

assay

≥97.5% (HPLC)

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

storage temp.

−20°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

product line

BioReagent

product line

-

product line

-

product line

-

General description

Fluorescein 5(6)-isothiocyanate, also known as FITC, is a weakly acidic hydroxyxanthene whose overall size is small, with both carboxylic acid and isothiocyanate substituents on the pendant phenyl ring. The dye has a moderately sized, nonplanar aromatic system. The isothiocyanate group reacts with nucleophilic substituents (e.g. amino, hydroxyl, thiol) of biomolecules to be attached as a fluorescent label. The maximum emission of the dye is at 519nm in the same solvent.

Application

Für die Fluoreszenzmarkierung von Proteinen (z.B. Immunofluoreszenz); H Protein-Labeling für die Gelchromatographie.
Fluorescein 5(6)-isothiocyanate (FITC) labelled molecules are used in non-microscopic immunoassays and physiological tracing experiments. FITC is widely used in flow cytometry experiments for staining proteins, nuclei, and subnuclear particles. White blood cells (WBCs) are marked with FITC to study their response toward a chemoattractant, eventually being measured.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Lagerklasse

11 - Combustible Solids

ppe

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

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Skin Irrit. 2 - Skin Sens. 1B


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Die Dokumentenbibliothek aufrufen

Wenhuo Hu et al.
Blood, 125(14), 2206-2216 (2015-01-31)
Hematopoietic stem cells (HSCs) possess the ability to generate all hematopoietic cell types and to self-renew over long periods, but the mechanisms that regulate their unique properties are incompletely understood. Herein, we show that homozygous deletion of the miR-29a/b-1 bicistron
Marina Vivarelli et al.
Kidney international, 87(3), 602-609 (2015-01-08)
Alloimmune antenatal membranous nephropathy (MN) during pregnancy results from antibodies produced by a neutral endopeptidase (NEP)-deficient mother. Here we report two recent cases that provide clues to the severity of renal disease. Mothers of the two children had circulating antibodies
Eddie A James et al.
Arthritis & rheumatology (Hoboken, N.J.), 66(7), 1712-1722 (2014-03-26)
Rheumatoid arthritis (RA) is thought to be a T cell-mediated disease, based on its strong association with HLA class II alleles, clinical responsiveness to T cell-directed therapies, and the presence of CD4+ T cells in rheumatoid joints. The presence of
Christopher B Driscoll et al.
Stem cell research & therapy, 6, 48-48 (2015-04-19)
Advances in the field of stem cells have led to novel avenues for generating induced pluripotent stem cells (iPSCs) from differentiated somatic cells. iPSCs are typically obtained by the introduction of four factors--OCT4, SOX2, KLF4, and cMYC--via integrating vectors. Here
Yuh-Seog Jung et al.
Head & neck, 37(3), 327-335 (2014-04-05)
The purpose of this study was to characterize the expression of CD200, a membrane protein that functions in immune evasion, to examine its correlations with cancer stem cell (CSC)-like features and analyze its response to chemotherapy and radiation in human

Questions

1–2 of 2 Questions  
  1. excuse me, can the product of Fluorescein 5(6)-isothiocyanate be used to lable bacteria,such as Staphylococcus aureus? thanks

    1 answer
    1. This product has not been tested for labeling bacteria internally, including Staphylococcus aureus. Therefore, no data is available for this application. A literature search is recommended for specific applications.

      Helpful?

  2. Is it suitable for fluorescence microscopy?

    1 answer
    1. This product is tested for fluorescent labeling of proteins. While not tested specifically for use in fluorescent microscopy, this compound is routinely used in cell-based studies applying this technique.

      Please see the link below to review the Peer Reviewed Publications:
      https://www.sigmaaldrich.com/search/46950?focus=papers&page=1&perpage=30&sort=relevance&term=46950&type=citation_search

      Helpful?

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