3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide
![3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide Structure](CAS/GIF/157199-63-8.gif)
- CAS No.
- 157199-63-8
- Chemical Name:
- 3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide
- Synonyms
- TO-PRO 3;TWO-PRO? 3;To-pro 3 Iodide;TO-PRO3 iodide salt;QHNORJFCVHUPNH-UHFFFAOYSA-L;TO PRO3 iodide,TO-PRO-3 iodide;TWO-PRO 3 (equivalent to TO-PRO 3) *5 mM DMSO Solution* *CAS 157199-63-8*;3-Methyl-2-((E)-3-((E)-1-(3-(trimethylammonio)propyl)quinolin-4(1H)-ylidene)prop-1-en-1-yl)ben;trimethyl-[3-[4-[3-(3-methyl-1,3-benzothiazol-2-ylidene)prop-1-enyl]quinolin-1-ium-1-yl]propyl]azanium;QUINOLINIUM, 4-[3-(3-METHYL-2(3H)-BENZOTHIAZOLYLIDENE)-1-PROPENYL]-1-[3-(TRIMETHYLAMMONIO)PROPYL]-, DIIODIDE
- CBNumber:
- CB4387235
- Molecular Formula:
- C26H31I2N3S
- Molecular Weight:
- 671.42
- MDL Number:
- MFCD07433932
- MOL File:
- 157199-63-8.mol
- MSDS File:
- SDS
3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide Properties
| Melting point | >250 ℃ |
|---|---|
| solubility | Soluble in dimethyl sulfoxide |
| form | powder |
| color | Red-brown |
| Appearance | blue solution |
| λmax | 642 nm |
| ex/em | 642/661 nm |
| ε(extinction coefficient) | 102000 cm−1M−1 |
| Φ(quantum yield) | 0.11 |
| Biological Applications | Nucleic acid hybridization; nucleic acid assay; detecting nucleic acids,cells,bacteria,bromodeoxyuridine incorporation,Human papilloma virus (HPV),pathogens; counting leukocytes |
3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide price
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| ChemScene | CS-0063642 | TO-PRO-3 iodide 99.00% | 157199-63-8 | 671μg(5mM*200μLinDMSO) | $861 | 2026-06-04 | Buy |
| Aaron Chemicals | AR00B9TA | 3-methyl-2-[(1E)-3-[(4E)-1-[3-(trimethylazaniumyl)propyl]-1,4-dihydroquinolin-4-ylidene]prop-1-en-1-yl]-1,3-benzothiazol-3-ium diiodide 98% | 157199-63-8 | 1mg | $404 | 2026-06-03 | Buy |
| Aaron Chemicals | AR00B9TA | 3-methyl-2-[(1E)-3-[(4E)-1-[3-(trimethylazaniumyl)propyl]-1,4-dihydroquinolin-4-ylidene]prop-1-en-1-yl]-1,3-benzothiazol-3-ium diiodide 98% | 157199-63-8 | 5mg | $1212 | 2026-06-03 | Buy |
| aablocks | AA00B91I | 3-methyl-2-[(1E)-3-[(4E)-1-[3-(trimethylazaniumyl)propyl]-1,4-dihydroquinolin-4-ylidene]prop-1-en-1-yl]-1,3-benzothiazol-3-ium diiodide 98%（E） | 157199-63-8 | 1mg | $360 | 2026-05-28 | Buy |
| aablocks | AA00B91I | 3-methyl-2-[(1E)-3-[(4E)-1-[3-(trimethylazaniumyl)propyl]-1,4-dihydroquinolin-4-ylidene]prop-1-en-1-yl]-1,3-benzothiazol-3-ium diiodide 98%（E） | 157199-63-8 | 5mg | $1084 | 2026-05-28 | Buy |
3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide Chemical Properties, Uses, Production
Description
TO-TAP-3 (Thiazole Red Monomer, also known as TO-PRO®-3) is a far-red fluorescent carbocyanine monomeric dye. TO-TAP-3 is a cell-impermeant nucleic acid stain that is nonfluorescent in the absence of nucleic acids but exhibits a significant fluorescence enhancement upon binding to dsDNA.
TO-TAP-3 has a bright fluorescence signal and low background. The dye is useful for staining nucleic acids on microarrays, as well as for nuclear and chromosome counterstaining in microscopy. It may be used for monitoring of cell viability and dead cell detection in culture. The long-wavelength fluorescence of TO-TAP-3 is well separated from green and red fluorophores, which makes it ideal for multicolor fluorescence labeling experiments.
Chemical Properties
ex/em : 642/661 nm
Extinction coefficient (ε) : 102000 cm1M1
Quantum yield (Φ) : 0.11
Uses
TO-PRO-3 iodide is a highly efficient blue fluorescent dye that can stain cytoplasm as a cell tracer.
Definition
ChEBI: An unsymmetrical C3 cyanine dye having benzothiazolium-2-yl and quinolinium-4-yl substituents.
Abs/Em Maxima
643 (complex)/658 (complex) nm
3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide Preparation Products And Raw materials
Raw materials
Preparation Products
3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Beijing Ouhe Technology Co., Ltd | 13552068683 13522913783 | 2355560935@qq.com | China | 11777 | 60 |
| Xi'an Confluore Biological Technology Co., Ltd. | +86-156-80926068 +86-15680926068 | 1924344760@qq.com | China | 4229 | 58 |
| BOC Sciences | +1-631-485-4226 | inquiry@bocsci.com | United States | 19935 | 58 |
| Beijing Jin Ming Biotechnology Co., Ltd. | 010-60605840 | psaitong@jm-bio.com | China | 27626 | 58 |
| TargetMol Chemicals Inc. | 15002134094 | marketing@targetmol.cn | China | 29873 | 58 |
| Xi'an Biolite Biotech, Inc. | 029-029-68064558 18502920169 | xiaodong@tjbiolite.com | China | 2949 | 58 |
| Okeanos Tech Co,. Ltd. | 01062651721 18610486005 | info@okeanos.com.cn | China | 567 | 58 |
| Lumiprobe Co., Ltd. | 14714316277 | cn@lumiprobe.com | China | 847 | 58 |
| TargetMol Chemicals Inc. | 13564774135 | marketing@targetmol.com | United States | 19950 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; | support@targetmol.com | United States | 38999 | 58 |
View Latest Price from 3-Methyl-2-((E)-3-[1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]-1-propenyl)-1,3-benzothiazol-3-ium diiodide manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2026-07-15 | TO-PRO3 iodide
157199-63-8
|
$1520.00-2500.00 | 10g | TargetMol Chemicals Inc. |
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- TO-PRO3 iodide
157199-63-8
- $1520.00-2500.00
- TargetMol Chemicals Inc.
