PKH 26 (Red Fluorescent Membrane Dye) - BioReagent,Biological Stain,for fluorescence analysis,for microscopy,≥90% , CAS No.154214-55-8

CAS: 154214-55-8 Cat. No.: P646619 Molecular Weight: 961.32 EC Number: 188-228-8
AVAILABLE TO ORDER
GRADE & PURITY BioReagent ? BioReagent grade — tested suitable for life-science and molecular-biology use. Use for cell culture, assays, and biochemical work needing biological compatibility. Biological Stain ? Biological stain grade — dyes characterized for staining cells and tissues. Use in histology and microscopy where staining consistency matters. for Fluorescence analysis ? Fluorescence-analysis grade — very low fluorescent impurities for clean spectra. Use in fluorescence assays where background interferes. for Microscopy ? Microscopy grade — reagents/stains suited to sample prep and imaging. Use in microscopy where clarity and low background are needed. ≥90%
Synonyms
2-(3-(3,3-Dimethyl-1-tetradecylindolin-2-ylidene)prop-1-en-1-yl)-1-docosyl-3,3-dimethyl-3H-indol-1-ium iodide | PKH-26 | PKH26 | Red Fluorescent Cell Linker | Red Fluorescent Membrane Dye | Exosome Tracking Dye | PKH membrane dye | Red PKH membrane dye |
Storage
Protected from light,Store at -20°C
Shipped In
Ice chest + Ice pads
Application
Cell Staining, Fluorescence Analysis
 ·  off list, applied to all prices below.
Size
Status
Price
Qty
1mg
P646619-1mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$119.90
5mg
P646619-5mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$359.90
10mg
P646619-10mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$569.90
25mg
P646619-25mg
8-12 wks(?) Production requires sourcing of materials. We appreciate your patience and understanding.
$1,089.90
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Why this grade

BioReagent,Biological Stain,for fluorescence analysis,for microscopy,≥90% Biological Stain,BioReagent,for Fluorescence analysis,for Microscopy for sensitive chromatographic and analytical workflows requiring minimal baseline interference.

🌡

Storage & shipping

Protected from light,Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.

📋

Quality documents

SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.

📚

Literature proof

Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.

Overview

PKH 26 is a red fluorescent dye , PKH 26 can stably bind to the lipid region of cell membrane and emit red fluorescence (Ex/Em=551/567 nm), which is mainly used for in vitro cell labeling, in vitro cell proliferation studies and in vivo and in vitro cell tracing studies.

Specifications

Synonyms
2-(3-(3, 3-Dimethyl-1-tetradecylindolin-2-ylidene)prop-1-en-1-yl)-1-docosyl-3, 3-dimethyl-3H-indol-1-ium iodide | PKH-26 | PKH26 | Red Fluorescent Cell Linker | Red Fluorescent Membrane Dye | Exosome Tracking Dye | PKH membrane dye | Red PKH membrane dye |
Specifications & Purity
BioReagent, Biological Stain, for fluorescence analysis, for microscopy, ≥90%
Biochemical and Physiological Mechanisms
PKH 26 is a red fluorescent dye , PKH 26 can stably bind to the lipid region of cell membrane and emit red fluorescence (Ex/Em=551/567 nm), which is mainly used for in vitro cell labeling, in vitro cell proliferation studies and in vivo and in vitro cell
Stability And Storage
Store at -20℃ long term (12 months). Store in the dark.
Storage
Protected from light, Store at -20°C
Shipped In
Ice chest + Ice pads
This product requires cold chain shipping. Ground and other economy services are not available.
Grade
Biological Stain, BioReagent, for Fluorescence analysis, for Microscopy
Purity
≥90%
Names and Identifiers
Molecular Weight 961.32

Documentation

📋 Safety Data Sheet (SDS)

Comprehensive hazard, handling, storage, and regulatory compliance document.

Download SDS →

✅ Certificate of Analysis (COA)

Lot-specific quality data. Enter your lot number to retrieve the exact COA.

Look up COA →

📊 Datasheet

Quick-reference summary of product specifications and applications.

View datasheet →

🔬 Specification Sheet

Full quality attributes and acceptance criteria for this grade.

View spec sheet →

Advanced Data

Certificates(CoA,COO,BSE/TSE and Analysis Chart)
C of A & Other Certificates(BSE/TSE, COO):
Analytical Chart:

Find and download the COA for your product by matching the lot number on the packaging.

4 results found

Lot NumberCertificate TypeDateItem
ZJ26F0535846Certificate of AnalysisMay 29, 2026 P646619
ZJ26F0535845Certificate of AnalysisMay 29, 2026 P646619
ZJ26F0535844Certificate of AnalysisMay 29, 2026 P646619
ZJ26F0535847Certificate of AnalysisMay 29, 2026 P646619
Chemical and Physical Properties
SolubilitySolubility in DMSO: 1.67 mg/mL (1.74 mM; Solubilize with sonication (<60 °C); Hygroscopic DMSO markedly affects product solubility. Please use freshly opened DMSO.)
SensitivityLight-sensitive
Documents & Articles
Solution Calculators
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