CA Index Name: Quinolinium, 4-[(3-methyl-2(3H)-benzoxazolylidene)methyl]-1-[3-(trimethylammonio) propyl]-, iodide (1:2)
Other Names: Quinolinium, 4-[(3-methyl-2(3H)-benzoxazolylidene)methyl]-1-[3-(trimethylammonio)pro-pyl]-, diiodide; Oxazole yellow; YO-PRO 1; YO-PRO 1 iodide
Merck Index Number: Not listed
Chemical / Dye Class: Cyanine
Molecular Formula: C24H29I2N3O
Molecular Weight: 629.32
Physical Form: Orange-red powder
Solubility: Soluble in dimethyl sulfoxide, water
Melting Point: > 250 °C
Absorption (λmax): 491 nm
Emission (λmax): 509 nm
Synthesis: Synthetic method
Staining Applications: Nucleic acids; cells; bacteria; genes; islets; chromatin; leukocytes; marine prokaryotes; nuclei; micronuclei; megakaryocyte; microorganisms; sperms; viruses
Biological Applications: Nucleic acid hybridization; nucleic acid sequencing; detecting nucleic acids, cells, bacteria, immunodeficiency virus, microorganisms; counting embryoblasts, viruses; apoptosis assay; white blood cell functional assay
Industrial Applications: Not reported
Safety / Toxicity: Cytotoxicity; neurotoxicity; vasotoxicity