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F4274

Sigma-Aldrich

Fluorescein isothiocyanate isomer I

≥97.5% (HPLC)

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Synonym(s):
FITC, Fluorescein 5-isothiocyanate
Empirical Formula (Hill Notation):
C21H11NO5S
CAS Number:
3326-32-7
Molecular Weight:
389.38
Beilstein:
1407295
EC Number:
222-042-0
MDL number:
MFCD00005063
PubChem Substance ID:
24894860
NACRES:
NA.47

Assay

≥97.5% (HPLC)

form

powder

color

yellow to very dark yellow

mp

>360 °C (lit.)

solubility

acetone: soluble 10 mg/mL

fluorescence

λex 492 nm; λem 518 nm (green)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

SMILES string

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

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

InChI key

MHMNJMPURVTYEJ-UHFFFAOYSA-N

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General description

Fluorescein isothiocyanate (FITC) is widely used to attach a fluorescent label to proteins via the amine group. The isothiocyanate group reacts with amino terminal and primary amines in proteins. It has been used for the labeling of proteins including antibodies and lectins.

Application

Fluorescein isothiocyanate isomer I has been used for the staining of conidia.
Reagent for the FITC labeling of proteins; Microsequencing of proteins and peptides (HPLC)

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

related product

Product No.
Description
Pricing

Pictograms

Health hazard
GHS08

Signal Word

Danger

Hazard Statements

H317 - H334

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Binding of live conidia of Aspergillus fumigatus activates in vitro-generated human Langerhans cells via a lectin of galactomannan specificity.
Persat F
Clinical and Experimental Immunology, 133, 370-370 (2003)
PU.1 serves a critical role in the innate defense against Aspergillus fumigatus via dendritic cell-associated C-type lectin receptor-1 and toll-like receptors-2 and 4 in THP-1-derived macrophages.
Liu C
Molecular Medicine Reports, 15, 4084-4084 (2017)
Ana Bratuša et al.
Colloids and surfaces. B, Biointerfaces, 181, 561-566 (2019-06-12)
This work describes the derivatization of dextran using N-(tert-butyloxycarbonyl)-S-(trityl)-L-cysteine in the presence of N,N'-carbonyldiimidazole (CDI) as a coupling agent. Homogeneous reactions in dimethyl sulfoxide allowed for an efficient coupling of the amino acid derivative to the polymer backbone. Derivatization was
Handbook of Affinity Chromatography (2005)
Hermanson GT
Bioconjugate Techniques (2013)
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