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Merck

46950

Fluorescein 5(6)-isothiocyanate

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

Sinónimos:

FITC, Fluorescein isothiocyanate

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About This Item

Fórmula empírica (notación de Hill):
C21H11NO5S
Número CAS:
27072-45-3
Peso molecular:
389.38
UNSPSC Code:
12171500
NACRES:
NA.32
PubChem Substance ID:
329757273
EC Number:
248-207-7
Beilstein/REAXYS Number:
1407295
MDL number:
MFCD00005063

Nombre del producto

Fluorescein 5(6)-isothiocyanate, BioReagent, suitable for fluorescence, mixture of 2 components, ≥90% (HPLC)

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

100

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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Application

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.
For fluorescent labeling of proteins (e.g. immunofluorescence); H Protein labeling for gel chromatography

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.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Clase de almacenamiento

11 - Combustible Solids

wgk

WGK 3

ppe

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

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Certificados de análisis (COA)

Lot/Batch Number
BCCN4897
0000431154
0000431154
BCCM8271
BCCL3464

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