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46951 Sigma

Fluorescein isothiocyanate isomer I

≥97.5% (HPLC)

Synonym: FITC, Fluorescein 5-isothiocyanate

  • CAS Number 3326-32-7

  • Empirical Formula (Hill Notation) C21H11NO5S

  • Molecular Weight 389.38

  •  Beilstein Registry Number 1407295

  •  EC Number 222-042-0

  •  MDL number MFCD00005063

  •  PubChem Substance ID 329757274

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Properties

Related Categories Biochemicals and Reagents, Fluorescein and Derivatives, Fluorescent Labels, Fluorescent Probes, Labels, Particles and Stains
InChI Key   MHMNJMPURVTYEJ-UHFFFAOYSA-N
assay   ≥97.5% (HPLC)
form   powder
impurities   ≤1.5% Isomer II
mp   >360 °C(lit.)
solubility   acetone: soluble0.1 g/10 mL
fluorescence   λex 492 nm; λem 518 nm (green)
  λex 492 nm; λem 518 nm in 0.1 M phosphate pH 8.0
storage temp.   2-8°C

Description

Application

Reagent for the FITC labeling of proteins; Microsequencing of proteins and peptides (HPLC)

Price and Availability

Safety & Documentation

Safety Information

Symbol 
GHS08  GHS08
Signal word 
Danger
Hazard statements 
Precautionary statements 
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
3

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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