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Sigma-Aldrich

p-Rosolic acid

Dye content 84 %

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Synonym(s):
4-[Bis(4-hydroxyphenyl)methylene]-2,5-cyclohexadienone, Aurin
Empirical Formula (Hill Notation):
C19H14O3
CAS Number:
603-45-2
Molecular Weight:
290.31
Colour Index Number:
43800
Beilstein:
2055205
EC Number:
210-041-8
MDL number:
MFCD00001624
PubChem Substance ID:
24888536
NACRES:
NA.47

form

powder

Quality Level

200

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

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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.

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 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

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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)
[Not Available].
F PASCUCCI et al.
Rivista critica di clinica medica, 45(6-9), 484-493 (1945-11-30)
A Batistatou et al.
The Journal of cell biology, 122(3), 523-532 (1993-08-01)
Serum-free PC12 cell cultures have been used to study the mechanisms of neuronal death after neurotrophic factor deprivation. We previously reported that PC12 cells undergo "apoptotic" internucleosomal DNA cleavage after withdrawal of trophic support. Here, we have used a sensitive
M Abend et al.
International journal of radiation biology, 75(12), 1567-1578 (2000-01-06)
To investigate the mechanism of micronucleus formation in irradiated L929 cells. Radiation-induced micronuclei (MN) of L929 cells isolated at 48 and 72 h after irradiation were processed for detection of DNA-laddering and higher-order chromatin fragments using conventional gel electrophoresis and
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
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