fluorescein sodium

Drug ingredient

This chemical is an active pharmaceutical ingredient used in FDA-regulated drugs.

Molecular structure of 518-47-8

Where It Comes From

11 FDA-registered drug labelers
Alcon, Inc.
Altaire Pharmaceuticals Inc.
Bausch & Lomb Americas Inc.
Bausch & Lomb Incorporated
HF Acquisition Co LLC, DBA HealthFirst
Icrom S.r.l.
Long Grove Pharmaceuticals, LLC
MACSEN DRUGS
Nomax Inc.
Oceanside Pharmaceuticals
Vistamerica USA

Why It Matters

Sectors
Health
Downstream Uses

Appears in 9 drug and cosmetic product listings (FDA).

  • Dry Eye Test
  • Fluorescein Sodium and Benoxinate Hydrochloride
  • AK-Fluor
  • Fluorescein Sodium and Proparacaine Hydrochloride
  • Fluorescite
  • GloStrips
  • Altafluor
  • Fluorescein
Show all 9
  • C20H10Na2O5 Fluorescein Sodium Ophthalmic Strips
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$0.34/gAK Scientific, Inc.
CountryUnited States
Pack$172.00 / 500 g
Purity98%
Vendors3 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

2 more vendors
VendorCountry$/gPackPurity
TargetMol ChemicalsChina United States$57.001 g97.55%
Labotest KGGermany$453.001000 mg90%

Chemical Identity

CAS518-47-8
PubChem CID10608
DTXSIDDTXSID9025328
FormulaC20H10Na2O5
Mol. Weight376.3 g/mol
SMILESC1=CC=C(C(=C1)C2=C3C=CC(=O)C=C3OC4=C2C=CC(=C4)[O-])C(=O)[O-].[Na+].[Na+]

Data Sources

106082026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/fluorescein sodium/cids/JSON

Archive: data/sources/pubchem_name/fluorescein sodium.json

CAS 518-47-82026-04-24

https://www.epa.gov/tsca-inventory

Archive: data/sources/tsca/tsca_inventory.csv

bulk match2026-04-07

https://open.fda.gov/data/ndc/

Archive: data/sources/fda/ndc/ndc.json