Fluorescein isothiocyanate isomer I
SIGMA/46951 - ≥97.5% (HPLC)
Synonym: FITC; Fluorescein 5-isothiocyanate
CAS Number: 3326-32-7
Empirical Formula (Hill Notation): C21H11NO5S
Molecular Weight: 389.38
EC Number: 222-042-0
MDL Number: MFCD00005063
Linear Formula: C21H11NO5S
Product Type: Chemical
assay | ≥97.5% (HPLC) |
fluorescence | λex 492 nm; λem 518 nm (green) |
λex 492 nm; λem 518 nm in 0.1 M phosphate pH 8.0 | |
form | powder |
impurities | ≤1.5% Isomer II |
InChI | 1S/C21H11NO5S/c23-12-2-5- |
InChI key | MHMNJMPURVTYEJ-UHFFFAOYSA |
mp | >360 °C (lit.) |
Quality Level | 100 |
SMILES string | Oc1ccc2c(Oc3cc(O)ccc3C24O |
solubility | acetone: soluble 0.1 g/10 mL |
storage temp. | 2-8°C |
Application: | Reagent for the FITC labeling of proteins; Microsequencing of proteins and peptides (HPLC) |
Symbol | GHS08 |
Signal word | Danger |
Hazard statements | H317 - H334 |
Precautionary statements | P261 - P272 - P280 - P284 - P302 + P352 - P333 + P313 |
Hazard Codes | Xn |
Risk Statements | 42/43 |
Safety Statements | 22-36/37-45 |
RIDADR | NONH for all modes of transport |
WGK Germany | WGK 3 |
Flash Point(F) | Not applicable |
Flash Point(C) | Not applicable |
Purity | ≥97.5% (HPLC) |
mp | >360 °C (lit.) |
Storage Temp. | 2-8°C |
UNSPSC | 12171500 |