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VD-NP-0111-0010-10mg 60 USD
VD-NP-0111-0100-100mg 400 USD

1-[2-(Maleimido)ethyl]-4-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxazolyl]pyridinium triflate (CAS 155863-05-1)




Product specification

Formula: C24H20F3N3O7S
MW: 551.49
Purity: ≥90%
Appearance: Yellow cristals.
Solubility: No data available.
Storage: +2°C to +8°C.
CAS Number: 155863-05-1
Synonyms: 4-(2-(chroman-6-yl)oxazol-5-yl)-1-(2-(2,5-
dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)
pyridinium trifluoromethanesulfonate
Cat.number: VD-NP-0111

Product Description

1-[2-(Maleimido)ethyl]-4-[2-(3,4-dihydro-2H-1-benzopyran-6-yl)-5-oxazolyl] pyridinium triflate (CAS 155863-05-1) belongs to a New class of highly photostable, water soluble fluorescent labels with large Stoke′s shift, high QY in aqueous media and pH tolerance. Major disadvantage: low extinction coefficient (Ε slightly >20′000 in EtOH). BioReagent, suitable for fluorescence. See also a fluorescent label VD-NP-0112.



Product References
1. Litak, P.T., Kauffman, J.M., J. Heterocycl. Chem. 31, 457- 479 , (1994).