Pharmaceutical Fluorescein Sodium CAS 518-47-8

Pharmaceutical Intermediates Fluorescein Sodium Powder CAS 518-47-8 with Good Quality

• Product description

• Product name	Fluorescein Sodium
  CAS No.	518-47-8
  Molecular Formula	C20H10Na2O5
  Molecular weight	376.27
  Grade Standard	Medicine Grade
  COA	Avaliable

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• Product introduction

• Fundus fluorescein angiography (FFA) is one of the important methods for the diagnosis and examination of fundus diseases, which is of great significance for the diagnosis and differential diagnosis of fundus diseases, guiding laser treatment, judging prognosis and observing curative effect. Fluorescein sodium is a diagnostic drug for fundus angiography, which can not stain normal cornea and other epithelium, but can stain damaged cornea epithelium green, thus showing corneal injury, ulcer and other diseases.

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• Product application

Fluorescein sodium is generally obtained by thermal condensation and salification of and p hthalic anhydride, which contains a large number of impurities, mainly including unreacted , phenolphthalein and yellow.