ChemicalBook >> CAS DataBase List >>FLUORESCIN

FLUORESCIN

FLUORESCIN structure

CAS No.: 518-44-5

Chemical Name:: FLUORESCIN

Synonyms: FLUORESCIN;dihydrofluorescein;Resorcinolphthalin;2-(3,6-dihydroxyxanthen-9-yl)benzoic acid;2-(3,6-Dihydroxy-9H-xanthen-9-yl)benzoic acid;Fluorescin[ReagentforOxydasesandPeroxydases]>Benzoic acid, 2-(3,6-dihydroxy-9H-xanthen-9-yl)-;Fluorescin [Reagent for Oxydases and Peroxydases];2-(3,6-Dihydroxy-9H-xanthen-9-yl)benzoic acid, 95+%

CBNumber:: CB6482884

Molecular Formula:: C20H14O5

Molecular Weight:: 334.32

MDL Number:: MFCD00046931

MOL File:: 518-44-5.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 04:55:52

Product description	Number	Pack Size	Price
Fluorescin [Reagent for Oxydases and Peroxydases] >95.0%(GC)	F0028	5g	$198
Fluorescin [Reagent for Oxydases and Peroxydases] >95.0%(GC)	F0028	25g	$496
Fluorescin ≥98%	CS-0077671	100g	$1425
Fluorescin ≥98%	CS-0077671	500g	$4988
Fluorescin ≥98%	CS-0077671	100g	$1425

Request For Quotation

FLUORESCIN Properties

Melting point	125-127°
Boiling point	431.14°C (rough estimate)
Density	1.2497 (rough estimate)
refractive index	1.5000 (estimate)
storage temp.	2-8°C, stored under nitrogen
pka	3.88±0.36(Predicted)
form	powder to crystal
color	Light yellow to Brown
Merck	14,4160
FDA UNII	ES5WQ31089
EPA Substance Registry System	Benzoic acid, 2-(3,6-dihydroxy-9H-xanthen-9-yl)- (518-44-5)

SAFETY

Risk and Safety Statements

Symbol(GHS)	GHS07
Signal word	Warning
Hazard statements	H315-H319
Precautionary statements	P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313
HS Code	29329990

FLUORESCIN price More Price(28)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
TCI Chemical	F0028	Fluorescin [Reagent for Oxydases and Peroxydases] >95.0%(GC)	518-44-5	5g	$198	2026-04-30	Buy
TCI Chemical	F0028	Fluorescin [Reagent for Oxydases and Peroxydases] >95.0%(GC)	518-44-5	25g	$496	2026-04-30	Buy
ChemScene	CS-0077671	Fluorescin ≥98%	518-44-5	100g	$1425	2026-06-04	Buy
ChemScene	CS-0077671	Fluorescin ≥98%	518-44-5	500g	$4988	2026-06-04	Buy
ChemScene	CS-0077671	Fluorescin ≥98%	518-44-5	100g	$1425	2026-06-04	Buy

Product number	Packaging	Price	Buy
F0028	5g	$198	Buy
F0028	25g	$496	Buy
CS-0077671	100g	$1425	Buy
CS-0077671	500g	$4988	Buy
CS-0077671	100g	$1425	Buy

FLUORESCIN Chemical Properties,Uses,Production

Uses

Reagent for oxidases, peroxides.

Definition

ChEBI: Fluorescin is a member of xanthenes.

FLUORESCIN Preparation Products And Raw materials

Raw materials

Preparation Products

FLUORESCIN Suppliers

Global( 76)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
Shaanxi Dideu Medichem Co. Ltd	+86-29-81139210 +86-18192627656	1059@dideu.com	China	3587	58
Henan Alfa Chemical Co., Ltd	+8615838112936	sale03@alfachem.cn	China	9796	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	+86-057181025280; +8617767106207	sales@molcore.com	China	49734	58
Jilin Chinese Academy of Sciences-yanshen Technology	+undefined18143011203	info@chemextension.com	China	42056	58
Aladdin Scientific		tp@aladdinsci.com	United States	57505	58
Shaanxi Dideu New Materials Co. Ltd	+86-18192503167 18192503167	1036@dideu.com	China	7915	58
VladaChem GmbH	+49-7246-3082843	info@vladachem.de	Germany	1859	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	24529	81
Energy Chemical	021-021-58432009 400-005-6266	sales8178@energy-chemical.com	China	44802	61

Supplier	Advantage
Shaanxi Dideu Medichem Co. Ltd	58
Henan Alfa Chemical Co., Ltd	58
Hangzhou MolCore BioPharmatech Co.,Ltd.	58
Jilin Chinese Academy of Sciences-yanshen Technology	58
Aladdin Scientific	58
Shaanxi Dideu New Materials Co. Ltd	58
VladaChem GmbH	58
J & K SCIENTIFIC LTD.	76
TCI (Shanghai) Development Co., Ltd.	81
Energy Chemical	61

View Lastest Price from FLUORESCIN manufacturers

Image	Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
	2025-12-12	FLUORESCIN 518-44-5		1kG	99%	1000KG	Shaanxi Dideu Medichem Co. Ltd
	2025-12-01	FLUORESCIN 518-44-5		1kg	98%	1000kg	Shaanxi Dideu New Materials Co. Ltd

FLUORESCIN
518-44-5
99%
Shaanxi Dideu Medichem Co. Ltd

FLUORESCIN
518-44-5
$0.00
98%
Shaanxi Dideu New Materials Co. Ltd

518-44-5(FLUORESCIN)Related Search:

Fluorescein diacetate SOLVENT YELLOW 160:1 Fluorescein Sodium Fura 2-AM Fluorescein

Fluorescamine FLUORESCEIN O-METHACRYLATE 97 FLUORESCEIN DILAURATE FLUORESCEIN O O'-DIACRYLATE 98 FLUORESCEIN O-ACRYLATE 97

FLUORESCEIN DIBUTYRATE 5-CARBOXYFLUORESCEIN DIACETATE 2`,7`-Bis(2-carboxyethyl)-5(6)-carboxyfluorescein Fluorescein isothiocyanate 6-Aminofluorescein

Phenolphthalein Calcein Thymopentin

1of4

2-(3,6-dihydroxyxanthen-9-yl)benzoic acid FLUORESCIN Resorcinolphthalin Fluorescin [Reagent for Oxydases and Peroxydases] 2-(3,6-Dihydroxy-9H-xanthen-9-yl)benzoic acid Benzoic acid, 2-(3,6-dihydroxy-9H-xanthen-9-yl)- dihydrofluorescein Fluorescin[ReagentforOxydasesandPeroxydases]> 2-(3,6-Dihydroxy-9H-xanthen-9-yl)benzoic acid, 95+% 518-44-5 C20H14O5