Skip to Content
Merck
All Photos(1)

Documents

C0662

Sigma-Aldrich

6-Carboxyfluorescein

~97% purity (HPLC), powder

Synonym(s):

6-FAM, FLUOS

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C21H12O7
CAS Number:
3301-79-9
Molecular Weight:
376.32
Beilstein:
54341
MDL number:
MFCD00036873
UNSPSC Code:
12171500
PubChem Substance ID:
24892266
NACRES:
NA.47

product name

6-Carboxyfluorescein, ≥96% (HPLC)

Quality Level

200

Assay

≥96% (HPLC)

form

powder

color

dark yellow to dark orange

mp

>300 °C (lit.)

solubility

0.1 M NaOH: 9.80-10.20 mg/mL, clear to slightly hazy, orange

λmax

492 nm at 0.1 N in NaOH

fluorescence

λex 492 nm; λem 517 nm (pH 8.0)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

2-8°C

SMILES string

OC(=O)c1ccc2C(=O)OC3(c4ccc(O)cc4Oc5cc(O)ccc35)c2c1

InChI

1S/C21H12O7/c22-11-2-5-14-17(8-11)27-18-9-12(23)3-6-15(18)21(14)16-7-10(19(24)25)1-4-13(16)20(26)28-21/h1-9,22-23H,(H,24,25)

InChI key

BZTDTCNHAFUJOG-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application

6-Carboxyfluorescein has been used to check the plasma membrane integrity in sperm cells.
Fluorescent dye.

Biochem/physiol Actions

6-Carboxyfluorescein diacetate is a membrane permeable compound. It can be hydrolysed by intracellular esterases to form a membrane impermeable bright green fluorescent molecule, 6-carboxyfluorescein.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Inhong Kim et al.
Polymers, 11(7) (2019-07-25)
We recently implemented highly sensitive detection systems for photo-sensitizing potassium ions (K+) based on two-step Förster resonance energy transfer (FRET). As a successive study for quantitative understanding of energy transfer processes in terms of the exciton population, we investigated the
Sofia Persson et al.
Food and environmental virology, 11(3), 297-308 (2019-04-21)
Mismatches between template sequences and reverse transcription (RT) or polymerase chain reaction (PCR) primers can lead to underestimation or false negative results during detection and quantification of sequence-diverse viruses. We performed an in silico inclusivity analysis of a widely used
Stephanie Pfaender et al.
Hepatology (Baltimore, Md.), 61(2), 447-459 (2014-09-13)
Hepatitis C virus (HCV) has a very narrow species and tissue tropism and efficiently replicates only in humans and the chimpanzee. Recently, several studies identified close relatives to HCV in different animal species. Among these novel viruses, the nonprimate hepaciviruses
Comparison of efficiency between two artificial insemination methods using frozen-thawed semen in domestic cat (Felis catus): artificial insemination in domestic cats.
Villaverde AI, et al.
Animal Reproduction Science, 114, 434-434 (2009)
Evgeny A Semchenko et al.
mBio, 10(4) (2019-07-11)
Neisseria gonorrhoeae is a significant threat to global health for which a vaccine and novel treatment options are urgently needed. Glycans expressed by human cells are commonly targeted by pathogens to facilitate interactions with the host, and thus characterization of
View All Related Papers

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service