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Fluorescein 6-isothiocyanate

CAS No.
18861-78-4
Chemical Name:
Fluorescein 6-isothiocyanate
Synonyms
6-FITC;FITC ISOMER II;Metrifonate-d6;FITC 'ISOMER II';Fluorescein isothiocyante;6-ISOTHIOCYANATO-FLUORESCEIN;6-FLUORESCEIN ISOTHIOCYANATE;Fluorescein 6-isothiocyanate;FLUORESCEIN 6-ISOTHIOCYANATE, ISOMER 2;FLUORESCEIN ISOTHIOCYANATE (ISOMER II)
CBNumber:
CB7702516
Molecular Formula:
C21H11NO5S
Molecular Weight:
389.38
MDL Number:
MFCD00041838
MOL File:
18861-78-4.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-28 02:46:22
Product description Number Pack Size Price
Fluorescein 6-Isothiocyanate (isomer II) >97.0%(HPLC)(T) F0783 100mg $280
Fluorescein 6-Isothiocyanate, Isomer 2, 95% TRC-F485705-1G 1g $2260
Fluorescein 6-Isothiocyanate, Isomer 2, 95% TRC-F485705-100MG 100mg $286
Fluorescein-6-isothiocyanate 98.03% CS-0135568 100mg $217
Fluorescein 6-isothiocyanate (isomer II) ≥97%(HPLC) 42368 100MG $554.83
More product size

Fluorescein 6-isothiocyanate Properties

Melting point >130°C (dec.)
Boiling point 719.1±60.0 °C(Predicted)
Density 1.54±0.1 g/cm3(Predicted)
storage temp. Amber Vial, -20°C Freezer, Under Inert Atmosphere
solubility DMSO (Slightly), Ethyl Acetate (Slightly), Methanol (Slightly)
form Solid
pka 9.31±0.20(Predicted)
color Dark Yellow to Dark Orange
Appearance Solid
Stability Light Sensitive
FDA UNII 360X6ZS9ZB

SAFETY

Risk and Safety Statements

Fluorescein 6-isothiocyanate price More Price(23)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
TCI Chemical F0783 Fluorescein 6-Isothiocyanate (isomer II) >97.0%(HPLC)(T) 18861-78-4 100mg $280 2026-04-30 Buy
TRC TRC-F485705-1G Fluorescein 6-Isothiocyanate, Isomer 2, 95% 18861-78-4 1g $2260 2026-06-03 Buy
TRC TRC-F485705-100MG Fluorescein 6-Isothiocyanate, Isomer 2, 95% 18861-78-4 100mg $286 2026-06-03 Buy
ChemScene CS-0135568 Fluorescein-6-isothiocyanate 98.03% 18861-78-4 100mg $217 2026-06-04 Buy
Chem-Impex 42368 Fluorescein 6-isothiocyanate (isomer II) ≥97%(HPLC) 18861-78-4 100MG $554.83 2026-05-19 Buy
Product number Packaging Price Buy
F0783 100mg $280 Buy
TRC-F485705-1G 1g $2260 Buy
TRC-F485705-100MG 100mg $286 Buy
CS-0135568 100mg $217 Buy
42368 100MG $554.83 Buy

Fluorescein 6-isothiocyanate Chemical Properties,Uses,Production

Description

Fluorescein-6-isothiocyanate is a fluorescent dye widely used in biomedicine for various applications. It is commonly employed for labeling proteins, antibodies, and other biomolecules for visualization and tracking purposes in biological research. Additionally, this product is utilized in immunofluorescence assays and flow cytometry to detect and analyze specific markers and antigens. Its unique properties make it a valuable tool in the study of drug delivery, cell imaging, and disease diagnosis.

Chemical Properties

Orange Solid

Uses

Amine-Reactive Fluorescent probe for counjugation to proteins or peptides.

Uses

Fluorescent labeling reagent for proteins. Used in the fluorescent antibody technique for rapid identification of pathogens.

Uses

Fluorescent labeling reagent for proteins. Fluorescein 6-isothiocyanate is used in the fluorescent antibody technique for rapid identification of pathogens.

Definition

ChEBI: Fluorescein 6-isothiocyanate is the 6-isomer of fluorescein isothiocyanate.

Excitation / Emission Maximum

490-500 nm/510-525 nm

Fluorescein 6-isothiocyanate Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 110)Suppliers
Supplier Tel Email Country ProdList Advantage
CONIER CHEM AND PHARMA LIMITED
sales@conier.com China 49906 58
career henan chemical co
+86-0371-86658258 factory@coreychem.com China 29780 58
Hefei TNJ Chemical Industry Co.,Ltd.
+86-0551-65418671 +86-189 4982 3763 sales@tnjchem.com China 34526 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 17705817739 info@dycnchem.com China 52693 58
GIHI CHEMICALS CO.,LIMITED
+86-571-86217390; +8618058761490 info@gihichemicals.com China 49860 58
Aladdin Scientific
tp@aladdinsci.com United States 50108 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
TCI (Shanghai) Development Co., Ltd. 021-67121386 Sales-CN@TCIchemicals.com China 24512 81
Shandong Xiya Chemical Co., Ltd 13355009207 13355009207 3007715519@qq.com China 18722 57
Hunan Hui Bai Shi Biotechnology Co., Ltd. 0731-85526065 13308475853 ivy@hnhbsj.com China 7236 62

View Lastest Price from Fluorescein 6-isothiocyanate manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
Fluorescein 6-isothiocyanate pictures 2020-01-09 Fluorescein 6-isothiocyanate
18861-78-4
$2.00 1g 98%min Career Henan Chemical Co
Fluorescein 6-Isothiocyanate (isoMer II) 6-Isothiocyanatofluorescein Fluorescein Isothiocyanate 6-FITC FITC isoMer II [Fluorescein-6-isothiocyanate] FLUORESCEIN ISOTHIOCYANATE (ISOMER II) FLUORESCEIN 6-ISOTHIOCYANATE, ISOMER 2 FITC ISOMER II FITC 'ISOMER II' Fluorescein isothiocyante 6-FLUORESCEIN ISOTHIOCYANATE 6-ISOTHIOCYANATO-FLUORESCEIN 6-FITC 2-(6-HYDROXY-3-OXO-3H-XANTHEN-9-YL)-4-ISOTHIOCYANATO-BENZOIC ACID Fluorescein 6-isothiocyanate 3',6'-dihydroxy-5-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one Fluorescein 6-isothiocyanate, >97.0%(HPLC)(T) Fluorescein6-Isothiocyanate(isomerII)> Spiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one, 3',6'-dihydroxy-6-isothiocyanato- Fluorescein isothiocyanate (Spiro Form) Metrifonate-d6 3',6'-Dihydroxy-6-isothiocyanato-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one 18861-78-4 C21H11N05S Fluorescent Labels & Indicators