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VAQORACHEMICALS

4,5-Diiodofluorescein,Disodium Salt

Synonyms: disodium 4',5'-diiodofluorescein · Erythrosin yellow · Fluorescein, 4',5'-diiodo-, disodium salt · Disodium 2-(4,5-diiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate

CAS No.6371-82-0
FormulaC20H8I2Na2O5
Mol. weight628.10
Catalogue No.VQ-048416
PurityOn COA
HSN—

4,5-Diiodofluorescein,Disodium Salt (CAS 6371-82-0) – Fluorescein intermediate. C20H8I2Na2O5, MW 628.1. Request a quote: COA, bulk packs and worldwide export.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About 4,5-Diiodofluorescein,Disodium Salt

Listed under CAS 6371-82-0, 4,5-Diiodofluorescein,Disodium Salt is a process intermediate or related compound of Fluorescein available from Vaqora Chemicals. The compound has the formula C20H8I2Na2O5, corresponding to a molecular weight of 628.1 g/mol. Alternative names: disodium 4',5'-diiodofluorescein and Erythrosin yellow.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

It is a process intermediate or related compound in the synthesis of Fluorescein, useful for route development, impurity fate-and-purge studies and analytical method development. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, 4,5-Diiodofluorescein,Disodium Salt is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

  • API route development
  • Impurity fate & purge studies
  • Analytical method development

Industries

Related to Fluorescein

View every impurity, metabolite and intermediate we list for Fluorescein.

Fluorescein impurities

Specifications & identifiers

Chemical identifiers
Product name4,5-Diiodofluorescein,Disodium Salt
Catalogue No.VQ-048416
CAS Number6371-82-0
IUPAC namedisodium;2-(4,5-diiodo-3-oxido-6-oxoxanthen-9-yl)benzoate
Molecular formulaC20H8I2Na2O5
Molecular weight628.1 g/mol
Exact mass627.8257
InChIKeyINPXKEACWBDDSB-UHFFFAOYSA-L
SMILESC1=CC=C(C(=C1)C2=C3C=CC(=O)C(=C3OC4=C2C=CC(=C4I)[O-])I)C(=O)[O-].[Na+].[Na+]
PubChem CID12598434
Physical properties
Physical formSolid
H-bond donors / acceptors0 / 5
TPSA89.5 Ų

Documents

Frequently asked questions

What is the CAS number of 4,5-Diiodofluorescein,Disodium Salt?

The CAS Registry Number of 4,5-Diiodofluorescein,Disodium Salt is 6371-82-0. It is also known as disodium 4',5'-diiodofluorescein, Erythrosin yellow, Fluorescein, 4',5'-diiodo-, disodium salt.

What is the molecular formula and molecular weight of 4,5-Diiodofluorescein,Disodium Salt?

4,5-Diiodofluorescein,Disodium Salt has the molecular formula C20H8I2Na2O5 and a molecular weight of 628.1 g/mol.

What is 4,5-Diiodofluorescein,Disodium Salt used for?

4,5-Diiodofluorescein,Disodium Salt is supplied as a characterised reference material related to Fluorescein. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of 4,5-Diiodofluorescein,Disodium Salt can I order?

We supply 4,5-Diiodofluorescein,Disodium Salt, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 4,5-Diiodofluorescein,Disodium Salt?

Yes. Every lot of 4,5-Diiodofluorescein,Disodium Salt is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can 4,5-Diiodofluorescein,Disodium Salt be shipped internationally?

Yes. We export 4,5-Diiodofluorescein,Disodium Salt worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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