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546062

Sigma-Aldrich

Rhodamine 19 perchlorate

Dye content ~95 %

Synonym(s):

2-(6-Ethylamino-3-ethylimino-2,7-dimethyl-3H-xanthen-9-yl)-benzoic acid perchlorate, Rhodamine 575

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About This Item

Empirical Formula (Hill Notation):
C26H26N2O3 · HClO4
CAS Number:
62669-66-3
Molecular Weight:
514.95
EC Number:
263-686-2
MDL number:
MFCD00050850
UNSPSC Code:
12171500
PubChem Substance ID:
329758041
NACRES:
NA.47

form

crystalline

composition

Dye content, ~95%

mp

>300 °C (lit.)

λmax

>517 nm

fluorescence

λem 544 nm in ethanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

OCl(=O)(=O)=O.CCNc1cc2OC3=CC(=N/CC)\C(C)=CC3=C(c2cc1C)c4ccccc4C(O)=O

InChI

1S/C26H26N2O3.ClHO4/c1-5-27-21-13-23-19(11-15(21)3)25(17-9-7-8-10-18(17)26(29)30)20-12-16(4)22(28-6-2)14-24(20)31-23;2-1(3,4)5/h7-14,27H,5-6H2,1-4H3,(H,29,30);(H,2,3,4,5)/b28-22+;

InChI key

WRJTXSZPMAXPRF-GVWDPOEBSA-N

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General description

Rhodamine 19 perchlorate is a molecule with high molar extinction coefficient (2 X 105 M-1 cm-1).

Application

Rhodamine 19 perchlorate has been used as a test molecule to identify small molecule inhibitors of the PDGFR (platelet-derived growth factor receptor β)/ERK (extracellular signal-regulated kinase) pathway using gene expression-based high-throughput screening.

Features and Benefits

Laser dye

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Efficiency enhancement in dye sensitized solar cells through co-sensitization of TiO2 nanocrystalline electrodes.
Saxena V, et al.
Applied Physics Letters, 100, 81-81 (2012)
Steven Daly et al.
Journal of the American Society for Mass Spectrometry, 28(1), 38-49 (2016-08-11)
Mass spectrometry is an extremely powerful technique for analysis of biological molecules, in particular proteins. One aspect that has been contentious is how much native solution-phase structure is preserved upon transposition to the gas phase by soft ionization methods such
J A H Inkster et al.
MedChemComm, 8(10), 1891-1896 (2017-12-26)
New chemical and radiochemical syntheses are described for the preparation of [
Alena A Antipova et al.
Genome biology, 9(3), R47-R47 (2008-03-04)
Here we describe a proof-of-concept experiment designed to explore the possibility of using gene expression-based high-throughput screening (GE-HTS) to find inhibitors of a signaling cascade, using platelet derived growth factor receptor (PDGFR) signaling as the example. The previously unrecognized ability

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