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5(6)-Carboxyfluorescein N-succinimidyl ester

CAS No.
117548-22-8
Chemical Name:
5(6)-Carboxyfluorescein N-succinimidyl ester
Synonyms
FLUOS;FITC-NHS;5(6)-FAM SE;Fluorescein NHS;5(6)-FAM SE FLUOS;5-trimethoxyallylbenzene;Nicotinamide Impurity 12;5,6-CARBOXYFLUORESCEIN SE;5(6)-FAM-SEor5(6)-FAM-NHS;5(6)-FAM SE, 10 mM in DMSO
CBNumber:
CB5167102
Molecular Formula:
C24H15NO7
Molecular Weight:
429.383
MDL Number:
MFCD04119713
MOL File:
117548-22-8.mol
MSDS File:
SDS
TDS File:
TDS
Last updated:2026-05-20 15:45:16
Product description Number Pack Size Price
5(6)-Carboxyfluorescein N-hydroxysuccinimide ester BioReagent, suitable for fluorescence, mixture of isomers, ≥80% (HPLC) 21878 25mg $92.3
5(6)-Carboxyfluorescein N-hydroxysuccinimide ester BioReagent, suitable for fluorescence, mixture of isomers, ≥80% (HPLC) 21878 100mg $280
Succinimidyl-5(6)-carboxyfluorescein ≥95%(HPLC) 22981 25MG $58.39
Succinimidyl-5(6)-carboxyfluorescein ≥95%(HPLC) 22981 100MG $174.66
Succinimidyl-5(6)-carboxyfluorescein ≥95%(HPLC) 22981 250MG $376.66
More product size

5(6)-Carboxyfluorescein N-succinimidyl ester Properties

Melting point 224°C
storage temp. -20°C
solubility DMF: soluble
form Solid
color Light Orange
InChI InChI=1S/C24H15NO7/c26-13-5-7-17-19(11-13)31-20-12-14(27)6-8-18(20)23(17)15-3-1-2-4-16(15)24(30)32-25-21(28)9-10-22(25)29/h1-8,11-12,26H,9-10H2
InChIKey VQTBINYMFPKLQD-UHFFFAOYSA-N
SMILES C1(=C2C=CC(=O)C=C2OC2C=C(O)C=CC1=2)C1C=CC=CC=1C(=O)ON1C(=O)CCC1=O
UNSPSC Code 12352108
NACRES NA.32

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P280-P271
PPE Eyeshields, Gloves, type N95 (US)
Safety Statements  24/25
WGK Germany  3
HS Code  32049010
Storage Class 11 - Combustible Solids

5(6)-Carboxyfluorescein N-succinimidyl ester price More Price(37)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 21878 5(6)-Carboxyfluorescein N-hydroxysuccinimide ester BioReagent, suitable for fluorescence, mixture of isomers, ≥80% (HPLC) 117548-22-8 25mg $92.3 2026-04-30 Buy
Sigma-Aldrich 21878 5(6)-Carboxyfluorescein N-hydroxysuccinimide ester BioReagent, suitable for fluorescence, mixture of isomers, ≥80% (HPLC) 117548-22-8 100mg $280 2026-04-30 Buy
Chem-Impex 22981 Succinimidyl-5(6)-carboxyfluorescein ≥95%(HPLC) 117548-22-8 25MG $58.39 2026-05-19 Buy
Chem-Impex 22981 Succinimidyl-5(6)-carboxyfluorescein ≥95%(HPLC) 117548-22-8 100MG $174.66 2026-05-19 Buy
Chem-Impex 22981 Succinimidyl-5(6)-carboxyfluorescein ≥95%(HPLC) 117548-22-8 250MG $376.66 2026-05-19 Buy
Product number Packaging Price Buy
21878 25mg $92.3 Buy
21878 100mg $280 Buy
22981 25MG $58.39 Buy
22981 100MG $174.66 Buy
22981 250MG $376.66 Buy

5(6)-Carboxyfluorescein N-succinimidyl ester Chemical Properties,Uses,Production

Chemical Properties

Light red solid

Uses

5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5(6)-FAM SE, FLUOS) may be used to prepare fluorescent derivatives of proteins such as tubulin and for the preparation of a phenytoin tracer for the determination of this and other drugs in serum and plasma by fluorescence polarization immunoassay (FPIA) and laser-induced fluorescence detection.

Uses

5(6)-Carboxyfluorescein N-succinimidyl ester is an amine-reactive green fluorescent dye widely used for labeling proteins or other biomolecules that contain a primary or secondary aliphatic amine.

5(6)-Carboxyfluorescein N-succinimidyl ester Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 183)Suppliers
Supplier Tel Email Country ProdList Advantage
ATK CHEMICAL COMPANY LIMITED
+undefined-21-51877795 ivan@atkchemical.com China 33024 60
career henan chemical co
+86-0371-86658258 +8613203830695 sales@coreychem.com China 29816 58
Changzhou Ansciep Chemical Co., Ltd.
+86 519 86305871 sales@ansciepchem.com CHINA 4241 58
BOC Sciences
+1-631-485-4226 inquiry@bocsci.com United States 19552 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49955 58
SHANGHAI T&W PHARMACEUTICAL CO., LTD.
+86-021-61551413 +8618813727289 contact@trustwe.com China 5742 58
Xi'an Yutbon Pharmaceutical Technology Co., Ltd
029-81140587 +8618717328141 sales@yutbon.com China 454 58
SIMAGCHEM CORP
+86-5922680277 +86-13806087780 sale@simagchem.com China 17346 58
TargetMol Chemicals Inc.
+1-781-999-5354; +17819995354 marketing@targetmol.com United States 32467 58
HANGZHOU CLAP TECHNOLOGY CO.,LTD
86-571-88216897,88216896 13588875226 sales@hzclap.com CHINA 6312 58

View Lastest Price from 5(6)-Carboxyfluorescein N-succinimidyl ester manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
5(6)-Carboxyfluorescein N-succinimidyl ester pictures 2026-05-21 5(6)-Carboxyfluorescein N-succinimidyl ester
117548-22-8
US $0.00 / g 1g 99%min 2000gs HANGZHOU HAILAN CHEMICAL CO.,LTD.
5(6)-FAM SE pictures 2026-04-22 5(6)-FAM SE
117548-22-8
US $79.00-119.00 / mg 99.77% 10g TargetMol Chemicals Inc.
5(6)-Carboxyfluorescein N-succinimidyl ester pictures 2019-07-06 5(6)-Carboxyfluorescein N-succinimidyl ester
117548-22-8
US $1.00 / kg 1kg 98% 100KG Career Henan Chemical Co
  • 5(6)-FAM SE pictures
  • 5(6)-FAM SE
    117548-22-8
  • US $79.00-119.00 / mg
  • 99.77%
  • TargetMol Chemicals Inc.

5(6)-Carboxyfluorescein N-succinimidyl ester Spectrum

FLUOS 5-(AND-6)-CARBOXYFLUORESCEIN, SUCCINIMIDYL ESTER 5-(AND-6)-CARBOXY SNAFL(R)-1, SUCCINIMIDYL ESTER 5-(AND-6)-CARBOXY SNAFL(R)-2, SUCCINIMIDYL ESTER 5(6)-CARBOXYFLUORESCEIN, NHS ESTER 5(6)-CARBOXYFLUORESCEIN N-HYDROXYSUCCINIMIDE ESTER 5(6)-CARBOXYFLUORESCEIN N-SUCCINIMIDYL ESTER 5,6-CARBOXYFLUORESCEIN SE 5,6-CARBOXYFLUORESCEIN SUCCINIMIDE ESTER 5(6)-FAM SE 5(6)-FAM SE FLUOS 5(6)-Carboxyfluorescein N-Hydrosuccinimide ester 5(6)-FAM, SE [5-(and-6)-Carboxyfluorescein, succinimidyl ester] *CAS 117548-22-8* 5(6)-FAM-SEor5(6)-FAM-NHS 5(6)-Carboxyfluorescein, succiniMidyl ester 5(6)-carboxyfluoresceinn-succinimidylester,mixt.ofisom. 5(6)-Carboxyfluorescein N-hydroxysuccinime ester 5(&6)-CARBOXYFLUORESCEIN N-SUCCINIMIDYLESTER, MIXE Succinimidyl-5(6)-carboxyfluorescein 4(5)-carboxyfluorescein N-succinimidyl ester 5(6)-Carboxyfluorescein succinimidyl ester - mixture of isomers 5(6)-FAM, SE [5-(and-6)-Carboxyfluorescein, succinimidyl ester 5-trimethoxyallylbenzene FITC-NHS 5(6)-FAM-OSu(5(6)-carboxyfluoresceinSE) Fluorescein NHS Nicotinamide Impurity 12 5(6)-FAM SE, 10 mM in DMSO 5(6)-Carboxyfluorescein N-hydroxysuccinimide ester O-((2R,3R,4R,5R)-5-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-(((2-cyanoethoxy)(diisopropylamino)phosphino)oxy)-2-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-3-yl) thiomorpholine-4-c 117548-22-8 Fluorescent Probes, Labels, Particles and Stains Detection BioChemical Biochemicals and Reagents marker FLUOROPHORES FAM