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Naphthofluorescein

Name: Naphthofluorescein
Brand: SIGMA
Price: 95.5 USD
Availability: InStock

suitable for fluorescence

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Pack Size	SKU	Availability	Price
100 mg		Available to ship TODAYfromMILWAUKEE	$95.50
500 mg		Check Cart for Availability	$347.00 $242.90

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

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Properties

form

powder

Quality Level

100

mp

189 °C (dec.) (lit.)

solubility

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

fluorescence

λ_ex 594 nm; λ_em 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

Description

Application

suitable as pH-indicator

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Other Notes

Reference standard. Long-wavelength pH-dependent spectra

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This Item	46943	21882	46935
Sigma-Aldrich 70420 Naphthofluorescein	Sigma-Aldrich 46943 Fluorescein dilaurate	Sigma-Aldrich 21882 5(6)-Carboxy-2′,7′-dichlorofluorescein	Sigma-Aldrich 46935 6-[Fluorescein-5(6)-carboxamido]hexanoic acid
suitability suitable for fluorescence	suitability suitable for fluorescence	suitability suitable for fluorescence	suitability suitable for fluorescence
fluorescence λ_ex 594 nm; λ_em 663 nm in 0.1 M Tris pH 9.0	fluorescence λ_ex 490 nm; λ_em 514 nm in 0.1 M Tris pH 8.0 (esterase)	fluorescence λ_ex 504 nm; λ_em 529 nm in 0.1 M Tris pH 8.0	fluorescence λ_ex 491 nm; λ_em 515 nm in 0.1 M Tris pH 9.0
solubility DMF: soluble, H₂O: soluble (pH ≥ 8), DMSO: soluble	solubility ethanol: soluble	solubility DMF: soluble, DMSO: soluble, H₂O: soluble (pH ≥ 5)	solubility DMF: soluble, DMSO: soluble
form powder	form powder	form solid	form solid
Quality Level 100	Quality Level 100	Quality Level 100	Quality Level 200
mp 189 °C (dec.) (lit.)	mp -	mp -	mp -

pictograms

GHS07

signalword

Warning

hcodes

H315,H319,H335

pcodes

P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338

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

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O.S. Wolfbeis et al.

Mikrochimica Acta, 108, 133-133 (1992)

Furin inhibition prevents hypoxic and TGFβ-mediated blood-brain barrier disruption.

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

Baculovirus Transduction in Mammalian Cells Is Affected by the Production of Type I and III Interferons, Which Is Mediated Mainly by the cGAS-STING Pathway.

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

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Global Trade Item Number

SKU	GTIN
70420-500MG	04061833278123
70420-100MG	04061832533018

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Naphthofluorescein

suitable for fluorescence

Select a Size

About This Item

70420-100MG

$95.50

form

Quality Level

mp

solubility

fluorescence

suitability

SMILES string

InChI

InChI key

Application

Packaging

Other Notes

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This Item

Safety Information

pictograms

signalword

hcodes

pcodes

Hazard Classifications

target_organs

Storage Class

wgk

flash_point_f

flash_point_c

ppe

Documentation

Certificates of Analysis (COA)

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