Skip to Content
Merck
CN

861324

p-Rosolic acid

Powder

Synonym(s):

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

Sign In to View Organizational & Contract Pricing.

Select a Size

About This Item

Empirical Formula (Hill Notation):
C19H14O3
CAS Number:
603-45-2
Molecular Weight:
290.31
EC Number:
210-041-8
UNSPSC Code:
12171500
NACRES:
NA.47
PubChem Substance ID:
24888536
MDL number:
MFCD00001624
Colour Index Number:
43800
Beilstein/REAXYS Number:
2055205
Form:
powder

Key Documents

View All Documentation
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist
Technical Service
Need help? Our team of experienced scientists is here for you.
Let Us Assist

InChI key

FYEHYMARPSSOBO-UHFFFAOYSA-N

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

SMILES string

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

form

powder

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

Quality Level

200

composition

Powder

Looking for similar products? Visit Product Comparison Guide

Related Categories

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

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
MKCP0421
MKCM8608
MKCK3511
MKCG2750
MKCB3383

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

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)
Comparative bacteriostatic assays with rosaniline and its phenolic analog (rosolic acid).
E FISCHER et al.
Journal of bacteriology, 53(4), 381-388 (1947-04-01)
[Not Available].
M MERINO SIMON et al.
Galicia-clinica, 18(12), 741-743 (1946-12-01)
H Nar et al.
Journal of molecular biology, 221(3), 765-772 (1991-10-05)
The X-ray crystal structure of recombinant wild-type azurin from Pseudomonas aeruginosa was determined by difference Fourier techniques using phases derived from the structure of the mutant His35Leu. Two data sets were collected from a single crystal of oxidized azurin soaked
W O Grabow et al.
Applied and environmental microbiology, 42(2), 192-199 (1981-08-01)
MacConkey agar, standard M-FC agar, M-FC agar without rosolic acid, M-FC agar with a resuscitation top layer, Teepol agar, and pads saturated with Teepol broth, were evaluated as growth media for membrane filtration counting of fecal coliform bacteria in water.
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