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Thermo Scientific Chemicals Fluorescein isothiocyanate, isomer 1, 95%

$68.93 - $543.81

Chemical Identifiers

CAS 3326-32-7
Molecular Formula C21H11NO5S
Molecular Weight (g/mol) 389.381
MDL Number MFCD00005063
InChI Key MHMNJMPURVTYEJ-UHFFFAOYSA-N
Synonym fitc, fluorescein isothiocyanate isomer i, 5-isothiocyanatofluorescein, fluorescein 5-isothiocyanate, 5-fitc, fluorescein-5-isothiocyanate, fluorescein 5 6-isothiocyanate, fitc isomer 1, unii-i223nx31w9, fitc isomer
PubChem CID 18730
ChEBI CHEBI:37918
IUPAC Name 3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
SMILES C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
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Products 3
Catalog Number Mfr. No. Quantity Price Quantity  
Catalog Number Mfr. No. Quantity Price Quantity  
AAL09319MF
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Thermo Scientific Chemicals
L09319MF
50 mg
Each for $68.93
 
AAL09319MD
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Thermo Scientific Chemicals
L09319MD
250 mg
Each for $188.32
 
AAL0931903
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Thermo Scientific Chemicals
L0931903
1 g
Each for $543.81
 
Description

Description

Fluorescein isothiocyanate is used as fluorescent labeling reagent for proteins and for rapid identification of pathogens in fluorescent antibody technique. It is also used as a reagent for microsequencing of proteins and peptides (HPLC). On celite it is used for the labeling of fibrinogen.

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.

Applications
Fluorescein isothiocyanate is used as fluorescent labeling reagent for proteins and for rapid identification of pathogens in fluorescent antibody technique. It is also used as a reagent for microsequencing of proteins and peptides (HPLC). On celite it is used for the labeling of fibrinogen.

Solubility
Slightly soluble in DMSO, ethanol, methanol DMF and acetone

Notes
Incompatible with strong oxidizing agents, strong bases and amines.
Specifications

Chemical Identifiers

3326-32-7
389.381
MHMNJMPURVTYEJ-UHFFFAOYSA-N
18730
3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
C21H11NO5S
MFCD00005063
fitc, fluorescein isothiocyanate isomer i, 5-isothiocyanatofluorescein, fluorescein 5-isothiocyanate, 5-fitc, fluorescein-5-isothiocyanate, fluorescein 5 6-isothiocyanate, fitc isomer 1, unii-i223nx31w9, fitc isomer
CHEBI:37918
C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Specifications

3326-32-7
C21H11NO5S
50 mg
Moisture sensitive
Slightly soluble in DMSO,ethanol,methanol DMF and acetone
C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
389.381
CHEBI:37918
95%
>360°C
MFCD00005063
1407295
fitc, fluorescein isothiocyanate isomer i, 5-isothiocyanatofluorescein, fluorescein 5-isothiocyanate, 5-fitc, fluorescein-5-isothiocyanate, fluorescein 5 6-isothiocyanate, fitc isomer 1, unii-i223nx31w9, fitc isomer
MHMNJMPURVTYEJ-UHFFFAOYSA-N
3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
18730
389.39
Fluorescein isothiocyanate, isomer 1
Safety and Handling

Safety and Handling

GHS H Statement
H334-H317
May cause allergy or asthma symptoms or breathing difficulties if inhaled.
May cause an allergic skin reaction.

P261-P264b-P270-P271-P272-P280-P285-P301+P312-P302+P352-P304+P340-P305+P351+P338-P330-P333+P313-P342+P311-P362-P501c

H302-H315-H317-H319-H334-H335

EINECSNumber : 222-042-0

TSCA : Yes

Recommended Storage : Keep cold

SDS
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RUO – Research Use Only