Skip to Content
MilliporeSigma
All Photos(3)

Key Documents

861324

Sigma-Aldrich

p-Rosolic acid

Dye content 84 %

Synonym(s):

4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone, Aurin

Sign Into View Organizational & Contract Pricing

Select a Size

25 G
$134.00
100 G
$463.00

$134.00


Estimated to ship onMarch 31, 2025


Request a Bulk Order

Select a Size

Change View
25 G
$134.00
100 G
$463.00

About This Item

Empirical Formula (Hill Notation):
C19H14O3
CAS Number:
Molecular Weight:
290.31
Colour Index Number:
43800
Beilstein/REAXYS Number:
2055205
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47
pH:
5.0-6.8, yellow to pink

$134.00


Estimated to ship onMarch 31, 2025


Request a Bulk Order

form

powder

Quality Level

composition

Dye content, 84%

technique(s)

titration: suitable

pH

5.0-6.8, yellow to pink

cation traces

C: 66.0-90.8%

λmax

482 nm

ε (extinction coefficient)

≥11000 at 264-270 nm in ethanol
≥50000 at 478-486 nm in ethanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

O=C(C=C1)C=CC1=C(C2=CC=C(O)C=C2)C3=CC=C(O)C=C3

InChI

1S/C19H14O3/c20-16-7-1-13(2-8-16)19(14-3-9-17(21)10-4-14)15-5-11-18(22)12-6-15/h1-12,20-21H

InChI key

FYEHYMARPSSOBO-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

General description

p-Rosolic acid (C.I. 43800) is an acid-baseindicator from the triphenylmethane group. It is also known as aurin and 4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone.

Application

p-Rosolic acid has been used to induce cellular stress in HEK293 cells.[1]

Biochem/physiol Actions

The transition range of p-Rosolic acid is around pH 6.6-8.0 (Below this pH range it is yellow and above it red).

Storage Class

11 - Combustible Solids

wgk_germany

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

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.

Already Own This Product?

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

Visit the Document Library

Simultaneous detection of the subcellular localization of RNAs and proteins in cultured cells by combined multicolor RNA-FISH and IF.
Meyer C, et al.
Methods, S1046-2023 (2016)
J Balzarini et al.
Biochemical and biophysical research communications, 136(1), 64-71 (1986-04-14)
Aurintricarboxylic acid, an anionic triphenylmethane dye, and Evans Blue, an anionic compound structurally related to suramin, are, like suramin itself, inhibitors of human T-cell lymphotropic virus type III (HTLV-III)/-lymphadenopathy-associated virus (LAV) in vitro. These compounds may be targeted, at least
[Not Available].
A DESAUX et al.
Annales de dermatologie et de syphiligraphie, 6(9), 504-504 (1946-09-01)
J Chen et al.
Thrombosis research, 66(2-3), 111-120 (1992-05-01)
To determine whether heparin potentiation of platelet aggregation is related to platelet GP IIb/IIIa and GP Ib receptors, four series of experiments were performed on blood from normal volunteers. In the first experiment pretreatment with the monoclonal antibody 7E3 (MAb
Rakesh K Sharma et al.
Journal of medicinal chemistry, 49(12), 3595-3601 (2006-06-09)
Previously, we have reported that aurintricarboxylic acid (ATA) is one of the most potent inhibitors of the DNA binding of transcription factor NF-kappaB. We now report the NF-kappaB-DNA binding inhibitory activity of ATA analogues. An electrophoretic mobility shift assay has

Questions

Reviews

No rating value

Active Filters

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