119-77-7

Usage

Uses

Used in Biochemical and Medical Research:
7-(4-aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid is used as a fluorescent dye for its ability to label proteins, nucleic acids, and other biomolecules. Its application in this field is due to its capacity to enhance the visibility of these molecules under specific light conditions, facilitating their detection and analysis.
Used in Fluorescence Microscopy:
In fluorescence microscopy, 7-(4-aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid serves as a labeling reagent, allowing researchers to visualize cellular structures and processes with greater clarity. Its fluorescent properties are instrumental in differentiating specific components within a cell under a microscope.
Used in Flow Cytometry:
7-(4-aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid is utilized in flow cytometry as a fluorescent marker to identify and quantify cells or particles of interest. Its use in this technique is attributed to its ability to bind specifically to target molecules, enabling the differentiation and sorting of various cell types or particles based on their fluorescence.
Used in Aqueous Solutions:
The water-solubility of 7-(4-aminobenzamido)-4-hydroxynaphthalene-2-sulfonic acid, conferred by its sulfonic acid group, makes it suitable for use in aqueous solutions. This feature is advantageous for researchers who require the compound to be easily manipulated and applied in various aqueous-based assays and experiments.

InChI:InChI=1/C17H14N2O5S/c18-12-3-1-10(2-4-12)17(21)19-13-5-6-15-11(7-13)8-14(9-16(15)20)25(22,23)24/h1-9,20H,18H2,(H,19,21)(H,22,23,24)

Upstream product

• 132-88-7 NSC 37170 
• 7647-01-0 hydrogenchloride 
• 64-19-7 acetic acid 
• 122-04-3 4-nitro-benzoyl chloride 

Downstream Products

• 656240-24-3 C₂₄H₂₅N₇O₇S 

Relevant academic research and scientific papers

Reactive dyestuffs comprising a triazine moiety and a vinylsulfonyl moiety both being linked by a substituted alkylene bridge member

A reactive dye of the formula STR1 in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxazine dyes and nitroaryl dyes, R is hydrogen, C1 -C4 alkyl which is unsubstituted or substituted with --COOH or --SO3 H, cyanoethyl, or hydroxyethyl, X is fluorine, chlorine, bromine, --SO3 H, phenylsulfonyl or C1 -C4 -alkylsulfonyl, p is 1 or 2 and A is a radical of the formula STR2 in which: Y is chlorine, bromine, fluorine, --OH, --OSO3 H, --O-acyl, --CN, --COOH, --COO--C1 -C4 -alkyl, --CONH2 or --SO2 --Z, the group designated "alk" is a straight or branched polymethylene radical having 2 to 6 carbon atoms, V is STR3 hydrogen or C1 -C4 -alkyl which is unsubstituted or substituted by C1 -C2 -alkoxy, carboxyl, sulfo, halogen or hydroxy, Z is β-halogenoethyl, vinyl or β-acetoxyethyl, or A is a radical of the formulae STR4 in all of which R' is C1-6 -alkyl or hydrogen, Z is as defined above, o is 0 to 6, and m is 2 to 6.

Triazinyl reactive dyes containing additional fiber reactive groups bound through the sulfonylalkylaminoalkylamino bridge

The invention relates to novel useful reactive dyes of the formula I STR1 in which: F is a radical selected from the group consisting of metal-free or metal-containing monoazo or disazo dyes containing at least one --SO3 H group, anthraquinone dyes, sulfophthalocyanine dyes, formazan dyes, phenazine dyes, oxanine dyes and nitroaryl dyes, R is hydrogen, C1 -C4 alkyl which is unsubstituted or substituted with --COOH or --SO3 H, cyanoethyl, or hydroxyethyl, X is fluorine, chlorine, bromine, --SO3 H, phenylsulfonyl or C1 -C4 -alkylsulfonyl, P is 1 or 2 and A is a radical of the formula STR2 in which: the groups designated "alk" are independently of each other straight or branched polymethylene radicals having 2 to 6 carbon atoms, and Z is β-halogenoethyl, vinyl, β-sulfatoethyl, β-thiosulfatoethyl or βacetoxyethyl.