Skip to Content
Merck
CN

Key Documents

View All Documentation

70420

Naphthofluorescein

suitable for fluorescence

Sign In to View Organizational & Contract Pricing.

Select a Size

Change View

About This Item

Empirical Formula (Hill Notation):
C28H16O5
CAS Number:
61419-02-1
Molecular Weight:
432.42
UNSPSC Code:
12352108
NACRES:
NA.32
PubChem Substance ID:
57652246
MDL number:
MFCD00329026
Beilstein/REAXYS Number:
61335
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

form

powder

Quality Level

100

mp

189 °C (dec.) (lit.)

solubility

DMF: soluble, DMSO: soluble, H2O: soluble (pH ≥ 8)

fluorescence

λex 594 nm; λem 663 nm in 0.1 M Tris pH 9.0

suitability

suitable for fluorescence

SMILES string

Oc1ccc2c3Oc4c(ccc5cc(O)ccc45)C6(OC(=O)c7ccccc67)c3ccc2c1

InChI

1S/C28H16O5/c29-17-7-9-19-15(13-17)5-11-23-25(19)32-26-20-10-8-18(30)14-16(20)6-12-24(26)28(23)22-4-2-1-3-21(22)27(31)33-28/h1-14,29-30H

InChI key

IXQIUDNVFVTQLJ-UHFFFAOYSA-N

Application

suitable as pH-indicator

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Reference standard. Long-wavelength pH-dependent spectra

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number
BCCJ1165
BCCH0081
BCCG8265
BCCD6832
BCBX0357

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Search for a COA

Already Own This Product?

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

Visit the Document Library

O.S. Wolfbeis et al.
Mikrochimica Acta, 108, 133-133 (1992)
Julia Baumann et al.
Experimental cell research, 383(2), 111503-111503 (2019-07-25)
Hypoxic blood-brain barrier (BBB) dysfunction is a common feature of CNS diseases however mechanisms underlying barrier disturbance are still largely unknown. This study investigated the role of transforming growth factor β (TGFβ), a cytokine known to induce expression of the
Sabrina Amalfi et al.
Journal of virology, 94(21) (2020-08-17)
The baculovirus Autographa californica multiple nucleopolyhedrovirus is an insect virus with a circular double-stranded DNA genome, which, among other multiple biotechnological applications, is used as an expression vector for gene delivery in mammalian cells. Nevertheless, the nonspecific immune response triggered
Stefanie Norkowski et al.
Cellular and molecular life sciences : CMLS, 75(12), 2273-2289 (2017-12-30)
Effector proteins are key virulence factors of pathogenic bacteria that target and subvert the functions of essential host defense mechanisms. Typically, these proteins are delivered into infected host cells via the type III secretion system (T3SS). Recently, however, several effector

Global Trade Item Number

SKUGTIN
70420-500MG04061833278123
70420-100MG04061832533018

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