ChemicalBook >> CAS DataBase List >>3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide

3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide

CAS No.
157199-59-2
Chemical Name:
3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide
Synonyms
TO-PRO 1;TWO-PRO? 1;To-pro 1 Iodide;NIR-Red Dead Cell-1 Dye;TO-PRO-1 Green Fluorescent Dye;TWO-PRO 1 (equivalent to TO-PRO 1) *5 mM DMSO Solution* *CAS 157199-59-2*;trimethyl-[3-[4-[(3-methyl-1,3-benzothiazol-2-ylidene)methyl]quinolin-1-ium-1-yl]propyl]azanium;trimethyl-[3-[4-[(Z)-(3-methyl-1,3-benzothiazol-2-ylidene)methyl]quinolin-1-ium-1-yl]propyl]azanium;QUINOLINIUM, 4-[(3-METHYL-2(3H)-BENZOTHIAZOLYLIDENE)METHYL]-1-[3-(TRIMETHYLAMMONIO)PROPYL]-, DIIODIDE;3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide
CBNumber:
CB2162131
Molecular Formula:
C24H29I2N3S
Molecular Weight:
645.38
MDL Number:
MFCD06409927
MOL File:
157199-59-2.mol
MSDS File:
SDS
Last updated:2026-09-12 18:50:23

3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide Properties

Melting point >250℃
solubility Soluble in dimethyl sulfoxide
form powder
color Red-brown
Appearance Green solution
ex/em 515/531 nm
ε(extinction coefficient) 62800 cm−1M−1
Φ(quantum yield) 0.25
λmax 515 nm
Biological Applications Nucleic acid hybridization; nucleic acid assay; nucleic acid fragment sizing; nucleic acid sequencing; detecting nucleic acids,cells,Human papilloma virus (HPV),microstructures; counting embryoblasts,leukocytes; monitoring

3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide price

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
ChemScene CS-0016268 NIR-Red Dead Cell-1 Dye 95% 157199-59-2 645μg(5mM*200μLinDMSO) $780 2026-06-04 Buy
Product number Packaging Price Buy
CS-0016268 645μg(5mM*200μLinDMSO) $780 Buy

3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide Chemical Properties, Uses, Production

Description

TO-TAP-1 (Thiazole Orange Monomer, also known as TO-PRO®-1) is a green fluorescent carbocyanine monomeric dye. TO-TAP-1 is a cell-impermeant nucleic acid stain that is nonfluorescent in the absence of nucleic acids but exhibits a multiple fluorescence enhancement upon binding to dsDNA.


The bright fluorescence signal and low background make TO-TAP-1 ideal for staining nucleic acids on microarrays, as well as for nuclear and chromosome counterstaining in multicolor fluorescence labeling experiments. TO-TAP-1 is non-cytotoxic and may be used for long-term monitoring of cell viability and dead cell detection in culture.

Chemical Properties

Appearance: Green solution
ex/em: 515/531 nm
Extinction coefficient (ε): 62800 cm1M1
Quantum yield (Φ): 0.25

Uses

TO-PRO 1 is a DNA binding fluorochrome, that atached to the surface of the Feraheme (FH) nanoparticle (NP), to obtain a fluorochrome-functionalized NP. TO-PRO 1 binds DNA through intercalation, and acts as a vital fluorochrome for necrotic cells[1].

Definition

ChEBI: A C1 cyanine dye having benzothiazolium-2-yl and quinolinium-4-yl substituents.

References

[1] Hoonsung Cho, et al. Fluorochrome-functionalized nanoparticles for imaging DNA in biological systems. ACS Nano. 2013 Mar 26;7(3):2032-41. DOI:10.1021/nn305962n

Abs/Em Maxima

513/533 nm

3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide Preparation Products And Raw materials

Raw materials

Preparation Products

3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide Suppliers

Global Suppliers ( 15)
Supplier Tel Email Country ProdList Advantage
Beijing Ouhe Technology Co., Ltd 13552068683 13522913783 2355560935@qq.com China 11777 60
Guangzhou Younan Technology Co., Ltd 020-82000279 18988941452 YN_research@163.com China 2984 58
Beijing Jin Ming Biotechnology Co., Ltd. 010-60605840 psaitong@jm-bio.com China 27626 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
Xi'an Reinforce Biotechnology Co., Ltd. 15339237155 15339237155 2229108118@qq.com China 721 58
QUINOLINIUM, 4-[(3-METHYL-2(3H)-BENZOTHIAZOLYLIDENE)METHYL]-1-[3-(TRIMETHYLAMMONIO)PROPYL]-, DIIODIDE TO-PRO 1 To-pro 1 Iodide TWO-PRO 1 (equivalent to TO-PRO 1) *5 mM DMSO Solution* *CAS 157199-59-2* trimethyl-[3-[4-[(3-methyl-1,3-benzothiazol-2-ylidene)methyl]quinolin-1-ium-1-yl]propyl]azanium TWO-PRO? 1 trimethyl-[3-[4-[(Z)-(3-methyl-1,3-benzothiazol-2-ylidene)methyl]quinolin-1-ium-1-yl]propyl]azanium TO-PRO-1 Green Fluorescent Dye NIR-Red Dead Cell-1 Dye 3-Methyl-2-([1-[3-(trimethylammonio)propyl]-4(1H)-quinolinylidene]methyl)-1,3-benzothiazol-3-ium diiodide 157199-59-2 C24H29I2N3S Cyanine