Fluorescein isothiocyanate,10%

Name: Fluorescein isothiocyanate,10%
Brand: Vaqora Chemicals
SKU: VQ-003334

About Fluorescein isothiocyanate,10%

Fluorescein isothiocyanate,10% is a molecular biology reagent in Biochemistry grade carrying the CAS registry number 3326-32-7, specified at 10% purity. Formula C21H11NO5S, molecular weight 389.4 g/mol. Systematically, it is named 3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one. It is also known as FITC or Fluorescein 5-isothiocyanate.

It is supplied as a powder. Reported physical data include a melting point of above 360 °C. Keep the container tightly sealed and store it in a cool, dry area. Under GHS it is labelled “Danger”, so handle it with suitable PPE and consult the SDS.

Typical applications include electrophoresis, DNA/RNA workflows, protein analysis and chromatography. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Standard pack sizes are 25 mg, 100 mg, 250 mg and 1 g, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

Electrophoresis
DNA/RNA workflows
Protein analysis
Chromatography

Industries

Specifications & identifiers

Chemical identifiers
Product name	Fluorescein isothiocyanate,10%
Catalogue No.	VQ-003334
CAS Number	3326-32-7
IUPAC name	3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
Molecular formula	C₂₁H₁₁NO₅S
Molecular weight	389.4 g/mol
Exact mass	389.0358
Grade	Biochemistry
Purity / assay	10%
HSN code	32049000
InChIKey	MHMNJMPURVTYEJ-UHFFFAOYSA-N
SMILES	C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
PubChem CID	18730

Physical properties
Physical form	Powder
Appearance	Powder
Melting point	>360 °C
LogP (XLogP3)	4.8
H-bond donors / acceptors	2 / 7
TPSA	120 Å²
Synonyms	FITC, Fluorescein 5-isothiocyanate, 5-FITC, 5-isothiocyanatofluorescein, Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-5-isothiocyanato-, Spiro(isobenzofuran-1(3H),9'-(9H)xanthen)-3-one, 3',6'-dihydroxy-5-isothiocyanato-, 5 Isothiocyanatofluorescein, Fluorescein 5 isothiocyanate, Fluorescein 5 isothiocyanate Hydrochloride, Hydrochloride, Fluorescein-5-isothiocyanate, Fluorescein isothiocyanate isomer I, 3',6'-dihydroxy-5-isothiocyanato-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one

Safety & hazard information (GHS)

Harmful / irritant

Health hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements: P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P403, P501

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

Other grades of CAS 3326-32-7

Fluorescein isothiocyanate isomer I, ≥97.5% purity (HPLC), powder

CAS: 3326-32-7
Formula: C₂₁H₁₁NO₅S
MW: 389.4 g/mol

VQ-003333

Fluorescein isothiocyanate isomer I, 90% (HPLC)

CAS: 3326-32-7
Formula: C₂₁H₁₁NO₅S
MW: 389.4 g/mol

VQ-003332

Frequently asked questions

What is the CAS number of Fluorescein isothiocyanate,10%?

The CAS Registry Number of Fluorescein isothiocyanate,10% is 3326-32-7. It is also known as FITC, Fluorescein 5-isothiocyanate, 5-FITC.

What is the molecular formula and molecular weight of Fluorescein isothiocyanate,10%?

Fluorescein isothiocyanate,10% has the molecular formula C21H11NO5S and a molecular weight of 389.4 g/mol. Its IUPAC name is 3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one.

Which grade and pack sizes of Fluorescein isothiocyanate,10% can I order?

We supply Fluorescein isothiocyanate,10% in Biochemistry (10%) grade, in 25 mg, 100 mg, 250 mg, 1 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Fluorescein isothiocyanate,10%?

Yes. Every lot of Fluorescein isothiocyanate,10% 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 Fluorescein isothiocyanate,10% be shipped internationally?

Yes. Fluorescein isothiocyanate,10% 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.