12832
3-(2-Benzoxazolyl)umbelliferyl acetate
for fluorescence, ≥98.0% (HPLC)
Synonym(s):
7-Acetoxy-3-(2-benzoxazolyl)coumarin
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About This Item
Empirical Formula (Hill Notation):
C18H11NO5
CAS Number:
Molecular Weight:
321.28
Beilstein:
5985817
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
grade
for fluorescence
Assay
≥98.0% (HPLC)
mp
203-205 °C (lit.)
solubility
DMF: soluble
DMSO: soluble
dioxane: soluble
fluorescence
λex 410 nm; λem 468 nm in 50 mM Tris pH 8.0 (esterase)
storage temp.
2-8°C
SMILES string
CC(=O)Oc1ccc2C=C(C(=O)Oc2c1)c3nc4ccccc4o3
Application
The reagent has absorption maxima in the UV range but weak blue fluorescence; however, enzymatic hydrolysis converts it into highly fluorescent anionic molecule.
suitable as fluorogenic substrate for esterases
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Storage Class Code
13 - Non 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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