Cyanine 3, SE

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Cat.No. 5435 - Cyanine 3, SE | C35H41N3O10S2 | CAS No. 146368-16-3
Description: Orange fluorescent dye for labeling of amines
Chemical Name: 2-[3-[1-[6-[(2,5-Dioxo-1-pyrrolidinyl)oxy]-6-oxohexyl]-1,3-dihydro-3,3-dimethyl-5-sulfo-2H-indol-2-ylidene]-1-propen-1-yl]-1-ethyl-3,3-dimethyl-5-sulfo-3H-indolium, inner salt
Purity: ≥95% (HPLC)

Biological Activity

Orange fluorescent dye for labeling of amines. Emission maximum ~564 nm.

Technical Data

M. Wt 727.84
Formula C35H41N3O10S2
Storage Store at -20°C
Purity ≥95% (HPLC)
CAS Number 146368-16-3
PubChem ID 91811030
Smiles CC[N+]1=C(C(C)(C)C2=C1C=CC(S(=O)([O-])=O)=C2)/C=C/C=C3N(CCCCCC(ON4C(CCC4=O)=O)=O)C(C=CC(S(=O)(O)=O)=C5)=C5C/3(C)C

The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis.

All Tocris products are intended for laboratory research use only.

Solubility Data

Solvent Max Conc. mg/mL Max Conc. mM
DMSO 72.78 100
DMF 72.78 100

Preparing Stock Solutions

The following data is based on the product molecular weight 727.84. Batch specific molecular weights may vary from batch to batch due to solvent of hydration, which will affect the solvent volumes required to prepare stock solutions.

Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.37 mL 6.87 mL 13.74 mL
5 mM 0.27 mL 1.37 mL 2.75 mL
10 mM 0.14 mL 0.69 mL 1.37 mL
50 mM 0.03 mL 0.14 mL 0.27 mL

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Product Datasheets

Safety Datasheet


References are publications that support the products' biological activity.

Shin et al (2014) Live-cell imaging of Pol II promoter activity to monitor gene expression with RNA IMAGEtag reporters. Nucleic Acids Res. 42 e90 PMID: 24753407

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