U.S. Department of Health & Human Services Divider Arrow National Institutes of Health Divider Arrow NCATS

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Showing 51 - 60 of 192 results

Status:
Other

Class (Stereo):
CHEMICAL (ACHIRAL)

BENZYL VIOLET had long been used as a food color in some countries including Japan. It had been classified as "possibly carcinogenic to humans" compounds by the International Agency for Research on Cancer (IARC) and by the Japan Society for Occupational Health. It was deleted from the food additives list in Japan in December 1972.
Status:
US Previously Marketed
First marketed in 1921
Source:
gentian violet
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)



Gentian violet ((GV) hexamethyl pararosaniline, also known as crystal violet, methyl violet) is a triphenylmethane dye with anti-bacterial, anti-fungal, anti-helminithic, anti-trypanosomal, anti-angiogenic and anti-tumor properties. GV has a lengthy history and has been used successfully as monotherapy and an adjunct to treatment in a variety of diseases. Gentian violet interacts with negatively charged components of bacterial cells including the lipopolysaccharide (on the cell wall), the peptidoglycan and DNA. A similar cell penetration and DNA binding process is thought to take place for fungal cells as well. Because Gentian violet is a mutagen and mitotic poison, cell growth is consequently inhibited. A photodynamic action of gentian violet, apparently mediated by a free-radical mechanism, has recently been described in bacteria and in the protozoan T. cruzi. Evidence also suggests that gentian violet dissipates the bacterial (and mitochondrial) membrane potential by inducing permeability. This is followed by respiratory inhibition. This anti-mitochondrial activity might explain gentian violet's efficacy towards both bacteria and yeast with relatively mild effects on mammalian cells.
Status:
Possibly Marketed Outside US

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
Possibly Marketed Outside US
First approved in 2021

Class (Stereo):
CHEMICAL (ACHIRAL)

Status:
Possibly Marketed Outside US
First approved in 1978
Source:
Dairyland Brand Teat Dip by Stearns Packaging Corporation
Source URL:

Class (Stereo):
CHEMICAL (ACHIRAL)

Rhodamine B is a fluorescent dye whose quantum yield is strongly dependent on temperature in the range of 0°C to 100°C, making it ideal for liquid based systems. It is a cell-permeant fluorogenic dye most often used as a conjugate to antibodies and proteins for fluorescence detection in microscopy. Rhodamine B is widely used in industrial purposes, such as printing and dyeing in textile, paper, paints, leathers etc. Rhodamine B was tested for use as a biomarker in oral rabies vaccines for raccoons, to identify animals that have eaten a vaccine bait. It has also been used as an anterograde and retrograde tracer in neurons and in nanoparticles to detect apoptosis.