Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Rhodamine 800
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137993-41-0

137993-41-0 structure

137993-41-0 structure

Name: Rhodamine 800
Chemical Name: Rhodamine 800
CAS Number: 137993-41-0
Molecular Formula: C₂₆H₂₆ClN₃O₅
Molecular Weight: 495.955
Catalog: Dye Reagents
Create Date: 2018-02-07 02:35:57
Modify Date: 2025-08-22 15:19:25
Rhodamine 800 is a near-infrared fluorescent dye.

Name	Rhodamine 800
Synonyms	9-Cyano-2,3,6,7,12,13,16,17-octahydro-1H,5H,11H,15H-pyrido[3,2,1-ij]quinolizino[1',9':6,7,8]chromeno[2,3-f]quinolin-4-ium perchlorate

Description	Rhodamine 800 is a near-infrared fluorescent dye.
Related Catalog	Signaling Pathways >> Others >> Others Dye Reagents Research Areas >> Others
In Vitro	Rhodamine 800 has different optical absorption spectra in various organic solvents and in aqueous solution in the visible and near-infrared regions. The absorption maximum at 683 nm in acetone shifts to 696 nm in DMSO without a significant change of the overall spectral profile. The fluorescence intensity of Rhodamine 800 varies markedly with the solvent, and decreases to less than one-fifth when the solvent is changed from acetone to water without a significant change of the emission peak[1].
Kinase Assay	Rhodamine 800 (Rh800) and indocyanine green (ICG) are dissolved in PBS and their concentrations are set to 40 nM. To 3 mL of Rhodamine 800 solution (40 nM/PBS), 100 μL of p-sulfonatocalix[n]arenes (S[n]) (1 mM) is added. To this solution, microliter aliquots of acetylcholine (ACh) (350 mM) are added under stirring. After 2 min stirring, fluorescence spectra are measured. For the competitive fluorophore displacement by other neurotransmitters, amino acids, ammonium chloride, and choline, similar procedure as the above method is applied[2].
References	[1]. Sakanoue J, et al. Rhodamine 800 as a probe of energization of cells and tissues in the near-infrared region: a study with isolated rat liver mitochondria and hepatocytes. J Biochem. 1997 Jan;121(1):29-37. [2]. Jin T. et al. Near-infrared fluorescence detection of acetylcholine in aqueous solution using a complex ofrhodamine 800 and p-sulfonatocalix[8]arene. Sensors (Basel). 2010;10(3):2438-49.

Molecular Formula	C₂₆H₂₆ClN₃O₅
Molecular Weight	495.955
Exact Mass	495.156097

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
RIDADR	NONH for all modes of transport

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