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9-Oxo-9H-fluorene-4-carboxylic acid CAS No.6223-83-2 / Cat No.EBD24719
Light yellow green powder
476.5 °C at 760 mmHg
Prediction： (ppm) delta=7.39-7.50 (m, 2H); delta=7.79-7.70 (q, 2H); delta=7.74-7.85 (d, 1H); delta=7.88-8.00 (d, 1H); and delta=8.18-8.30 (d, 1H), where d is doublet, t is triplet, m is multiplet; dd is double doublet, q is quintet.