CAS 523-42-2: Quinoline blue
Description:Quinoline blue, with the CAS number 523-42-2, is a synthetic organic compound belonging to the class of quinoline dyes. It is characterized by its deep blue color, which makes it useful in various applications, including as a biological stain and in histology for visualizing cellular structures. The compound is soluble in organic solvents and exhibits limited solubility in water, which is typical for many dyes in its class. Quinoline blue has a distinct absorption spectrum, with maximum absorbance in the visible range, making it effective for colorimetric assays. Additionally, it has been studied for its potential applications in photodynamic therapy due to its ability to generate reactive oxygen species upon light activation. Safety considerations include its potential toxicity, necessitating careful handling and appropriate safety measures during use. Overall, quinoline blue serves as a valuable tool in both research and industrial applications, particularly in the fields of biology and chemistry.
Formula:C29H35N2·I
InChI:InChI=1S/C29H35N2.HI/c1-22(2)13-17-30-19-15-24(26-9-5-7-11-28(26)30)21-25-16-20-31(18-14-23(3)4)29-12-8-6-10-27(25)29;/h5-12,15-16,19-23H,13-14,17-18H2,1-4H3;1H/q+1;/p-1
InChI key:InChIKey=QGKMIGUHVLGJBR-UHFFFAOYSA-M
SMILES:[I-].C=1C=CC2=C(C1)C(C=CN2CCC(C)C)=CC3=CC=[N+](C=4C=CC=CC34)CCC(C)C
- Synonyms:
- 1-(3-methylbutyl)-4-{(E)-[1-(3-methylbutyl)quinolin-4(1H)-ylidene]methyl}quinolinium iodide
- 1-Isopentyl-4-[(1-isopentyl-4(1H)-quinolylidene)methyl]quinolinium iodide
- Aquafine Blue E 1
- Chinoline blue
- Cyanine Blue GR
- Cyanine blue
- Nk 1486
- Quinoline blue
- Quinolinium, 1-(3-methylbutyl)-4-[[1-(3-methylbutyl)-4(1H)-quinolinylidene]methyl]-, iodide
- Quinolinium, 1-(3-methylbutyl)-4-[[1-(3-methylbutyl)-4(1H)-quinolinylidene]methyl]-, iodide (1:1)
- See more synonyms
- Quinolinium, 1-isopentyl-4-[(1-isopentyl-4(1H)-quinolylidene)methyl]-, iodide
Brand | Product data | Purity | Price range | Estimated delivery |
---|---|---|---|---|
![]() | Cyanine REF: 3B-C0436CAS: 523-42-2 | >98.0%(T) | 105.00 €~330.00 € | Mon 07 Apr 25 |
![]() | CYANINE REF: IN-DA003P3GCAS: 523-42-2 | 98% | 78.00 €~188.00 € | Mon 14 Apr 25 |
![]() | AI 3-19500 REF: TM-T20208CAS: 523-42-2 | 98% | To inquire | Tue 15 Apr 25 |
![]() | Cyanine REF: 3D-FC75586CAS: 523-42-2 | Min. 95% | - - - | Discontinued product |

Cyanine
Ref: 3B-C0436
1g | 105.00 € | ||
5g | 330.00 € |

Ref: IN-DA003P3G
1g | 188.00 € | ||
100mg | 78.00 € | ||
250mg | 111.00 € |

AI 3-19500
Ref: TM-T20208
1g | 592.00 € | ||
100mg | 92.00 € | ||
250mg | 188.00 € | ||
500mg | 338.00 € |

Cyanine
Ref: 3D-FC75586
1g | Discontinued | Request information | |
2g | Discontinued | Request information | |
5g | Discontinued | Request information | |
250mg | Discontinued | Request information | |
500mg | Discontinued | Request information |