Specification Sheet
Product Name 5-Carboxyfluorescein,
suitable for fluorescence, BioReagent, ≥95% (HPLC)
Product Number 86826
Product Brand SIGMA
CAS Number 76823-03-5
Molecular Weight 376.32
 
TEST SPECIFICATION
APPEARANCE (COLOR) Yellow to Dark Yellow and Orange to Dark Orange
APPEARANCE (FORM) Powder
PURITY (HPLC AREA %) ≥ 95.0 %
PROTON NMR SPECTRUM CONFORMS TO STRUCTURE
EMISSION MAXIMUM 517 ± 5 nm
REMARKS ON LUMINESCENCE Exc.: 492 nm in 0.1 M Tris, pH 8.0