6-Carboxyfluorescein diacetate, ~ 95%

Name: 6-Carboxyfluorescein diacetate, ~ 95%
Brand: Vaqora Chemicals
SKU: VQ-002606

About 6-Carboxyfluorescein diacetate, ~ 95%

Vaqora Chemicals supplies 6-Carboxyfluorescein diacetate in Puriss grade, an enzyme / protein reagent registered under CAS number 3348-03-6 at a purity of 95%. Its molecular formula is C25H16O9 and its molecular weight is 460.4 g/mol. Systematically, it is named 3',6'-diacetyloxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid. It is also known as 6-CFDA or 6-Carboxy-di-O-acetylfluorescein.

The material typically appears as a white to yellow powder. Store it at 2–8 °C, in a tightly closed container. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include enzymatic assays, enzyme inhibition studies and protein research. Our customers for this product work in academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 25 mg, 100 mg and 5 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Enzymatic assays
Enzyme inhibition studies
Protein research

Industries

Specifications & identifiers

Chemical identifiers
Product name	6-Carboxyfluorescein diacetate, ~ 95%
Catalogue No.	VQ-002606
CAS Number	3348-03-6
IUPAC name	3',6'-diacetyloxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid
Molecular formula	C₂₅H₁₆O₉
Molecular weight	460.4 g/mol
Exact mass	460.0794
Grade	Puriss
Purity / assay	95%
HSN code	2932
InChIKey	QMOGCCYGOPYYNT-UHFFFAOYSA-N
SMILES	CC(=O)OC1=CC2=C(C=C1)C3(C4=C(O2)C=C(C=C4)OC(=O)C)C5=C(C=CC(=C5)C(=O)O)C(=O)O3
PubChem CID	151095

Physical properties
Physical form	Powder
Appearance	White to yellow powder
LogP (XLogP3)	3.2
H-bond donors / acceptors	1 / 9
TPSA	125 Å²
Storage	2–8 °C
Synonyms	6-CFDA, 6-Carboxy-di-O-acetylfluorescein, 6-Carboxy-3',6'-diacetylfluorescein, 3',6'-Diacetoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid, 6-carboxyfluoresceine diacetate, 6-Carboxyfluorescein diacetate, ~95% (HPLC), 3',6'-diacetyloxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxy, 3',6'-Bis(acetyloxy)-3-oxo-3H-spiro[[2]benzofuran-1,9'-xanthene]-6-carboxylic acid, 3',6'-diacetoxy-1-oxo-spiro[isobenzofuran-3,9'-xanthene]-5-carboxylic acid, 3',6'-diacetoxy-3-oxo-3H-spiro[isobenzofuran-1,9'-oxaanthracene]-6-carboxylic acid

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of 6-Carboxyfluorescein diacetate, ~ 95%?

The CAS Registry Number of 6-Carboxyfluorescein diacetate, ~ 95% is 3348-03-6. It is also known as 6-CFDA, 6-Carboxy-di-O-acetylfluorescein, 6-Carboxy-3',6'-diacetylfluorescein.

What is the molecular formula and molecular weight of 6-Carboxyfluorescein diacetate, ~ 95%?

6-Carboxyfluorescein diacetate, ~ 95% has the molecular formula C25H16O9 and a molecular weight of 460.4 g/mol. Its IUPAC name is 3',6'-diacetyloxy-1-oxospiro[2-benzofuran-3,9'-xanthene]-5-carboxylic acid.

Which grade and pack sizes of 6-Carboxyfluorescein diacetate, ~ 95% can I order?

We supply 6-Carboxyfluorescein diacetate, ~ 95% in Puriss (95%) grade, in 25 mg, 100 mg, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with 6-Carboxyfluorescein diacetate, ~ 95%?

Yes. Every lot of 6-Carboxyfluorescein diacetate, ~ 95% 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 6-Carboxyfluorescein diacetate, ~ 95% be shipped internationally?

Yes. 6-Carboxyfluorescein diacetate, ~ 95% is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.

How should 6-Carboxyfluorescein diacetate, ~ 95% be stored?

2–8 °C. Keep the container tightly closed and refer to the SDS for full handling guidance.