trypan blue

Drug ingredient

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

Molecular structure of 72-57-1

Where It Comes From

2 FDA-registered drug labelers
D.O.R.C. Dutch Ophthalmic Research Center (International) B.V.
Dutch Ophthalmic Research Center (International) B.V.

Why It Matters

Sectors
Health
Downstream Uses

Appears in 2 drug and cosmetic product listings (FDA).

  • Visionblue
  • Membraneblue
FDA Shortage Status
No FDA shortage records

Vendor Pricing

$1.86/gSigma-Aldrich (Rush Stock)
CountryGermany
Pack$185.80 / 100 g
PurityNo data available
Vendors2 available

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

1 more vendor
VendorCountry$/gPackPurity
Sigma-AldrichGermany$1.86100 g

Chemical Identity

CAS72-57-1
PubChem CID6296
DTXSIDDTXSID4026268
FormulaC34H24N6Na4O14S4
Mol. Weight960.8 g/mol
SMILESCC1=C(C=CC(=C1)C2=CC(=C(C=C2)N=NC3=C(C4=C(C=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)[O-])N)O)C)N=NC5=C(C6=C(C=C(C=C6C=C5S(=O)(=O)[O-])S(=O)(=O)[O-])N)O.[Na+].[Na+].[Na+].[Na+]

Data Sources

62962026-04-07

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/name/trypan blue/cids/JSON

Archive: data/sources/pubchem_name/trypan blue.json

CAS 72-57-12026-04-24

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