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Merck

83702

Sigma-Aldrich

Rhodamin 123

BioReagent, for fluorescence, ≥85% (HPLC)

Synonym(e):

2-(6-Amino-3-imino-3H-xanthen-9-yl)-benzoesäure-methylester

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About This Item

Lineare Formel:
C21H17ClN2O3
CAS-Nummer:
Molekulargewicht:
380.82
Beilstein:
6030951
EG-Nummer:
MDL-Nummer:
UNSPSC-Code:
12352116
PubChem Substanz-ID:
NACRES:
NA.32
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Qualität

for fluorescence

Produktlinie

BioReagent

Assay

≥85% (HPLC)

Form

powder

Verunreinigungen

≤10% water

Löslichkeit

ethanol: 20 mg/mL, clear, red

Eignung

in accordance for fluorescence
suitable for fluorescence

SMILES String

Cl[H].COC(=O)c1ccccc1C2=C3C=CC(=N)C=C3Oc4cc(N)ccc24

InChI

1S/C21H16N2O3.ClH/c1-25-21(24)15-5-3-2-4-14(15)20-16-8-6-12(22)10-18(16)26-19-11-13(23)7-9-17(19)20;/h2-11,22H,23H2,1H3;1H

InChIKey

MYFATKRONKHHQL-UHFFFAOYSA-N

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Allgemeine Beschreibung

Rhodamine 123 is a fluorescent dye.[1]

Anwendung

Rhodamine 123 has been used:
  • as a substrate for P-glycoprotein (P-gp) to read out functional transporter activity in fluorescent accumulation assays[2]
  • to label the cells for estimating the P-gp expression by flow cytometry[1]
  • in transport studies, was added to the apical to basolateral (AB-transport) or basolateral to apical (BA-transport)[3]
  • the detection of mitochondrial membrane potential (ΔΨm)[4]

Biochem./physiol. Wirkung

Fluorescent dye most commonly used in flow cytometry as functional reporter for Pgp. Functional assays for MDR proteins are better prognostic indicators in cancer therapy than levels of MDR protein expression. Rh 123 can be used in multiparameter analyses without fluorescence interference in combination with common protein labeling dyes such as PE-Cy5 and AMCA (7-amino-4-methylcoumarin-3-acetic acid). Recent reports indicate Rh 123 may also be a substrate of MRP1.
Rhodamine 123 is usually used as a functional reporter for P-glycoprotein (P-gp) in flow cytometry.[1]

Sonstige Hinweise

Supravital mitochondrial-specific dye[5]

Lagerklassenschlüssel

11 - Combustible Solids

WGK

WGK 3

Flammpunkt (°F)

Not applicable

Flammpunkt (°C)

Not applicable

Persönliche Schutzausrüstung

Eyeshields, Gloves, type N95 (US)


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Wu D, et al.
Archives of Biochemistry and Biophysics, 604, 74-85 (2016)
Severin Mairinger et al.
Nuclear medicine and biology, 39(8), 1219-1225 (2012-09-18)
With the aim to develop a PET tracer to visualize P-glycoprotein (Pgp) expression levels in different organs, the Pgp inhibitor MC113 was labeled with (11)C and evaluated using small-animal PET. [(11)C]MC113 was synthesized by reaction of O-desmethyl MC113 with [(11)C]methyl
Robert O'Connor et al.
Cancer chemotherapy and pharmacology, 71(5), 1357-1368 (2013-04-17)
Bortezomib is an important agent in multiple myeloma treatment, but resistance in cell lines and patients has been described. The main mechanisms of resistance described in cancer fall into one of two categories, pharmacokinetic resistance (PK), e.g. over expression of
L Benel et al.
Basic and applied histochemistry, 33(2), 71-80 (1989-01-01)
The use of the supravital mitochondrial-specific dye Rhodamine 123 (Rh 123) in combination with flow cytometry permits the monitoring of the changes in the mitochondrial transmembrane potential, reflecting the overall mitochondrial activity of the living cell. While this probe appears

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Questions

1–5 of 5 Questions  
  1. Which is the storage conditions recommend for this product?

    1 answer
    1. This product may be stored at room temperature.

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  2. What are the excitation and emission wavelengths for Rhodamine 123 (Product Nos. 83702 and R8004)?

    1 answer
    1. Using ethanol as the solvent, the excitation maximum is  511 nm and the emission maximum is 534 nm.  The recommended excitation and emission wavelengths in PBS are 488 and 515-575 nm, respectively.

      Helpful?

  3. Why would one select Rhodamine 123 (Product Nos. 83702 and R8004) instead of other rhodamine compounds?

    1 answer
    1. Due to is comparatively low toxicity, Rhodamine 123 is the dye of choice for visualizing mitochondria or for cell viability measurements.

      Helpful?

  4. What is the solubility of Rhodamine 123, (Product Nos. 83702 and R8004)?

    1 answer
    1. Rhodamine 123 is soluble in ethanol at 20 mg/mL, and has been reported soluble in ether, various fats and lipids, and has limited solubility in water (no concentration given).

      Helpful?

  5. What is the Department of Transportation shipping information for this product?

    1 answer
    1. Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product.

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