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Merck
CN

38548

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

suitable for fluorescence, BioReagent, ≥90% (HPCE)

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About This Item

Empirical Formula (Hill Notation):
C24H20F3N3O7S
CAS Number:
155863-05-1
Molecular Weight:
551.49
NACRES:
NA.25
PubChem Substance ID:
57649855
UNSPSC Code:
12352200
MDL number:
MFCD08276999

Key Documents

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InChI

1S/C23H20N3O4.CHF3O3S/c27-21-5-6-22(28)26(21)12-11-25-9-7-16(8-10-25)20-15-24-23(30-20)18-3-4-19-17(14-18)2-1-13-29-19;2-1(3,4)8(5,6)7/h3-10,14-15H,1-2,11-13H2;(H,5,6,7)/q+1;/p-1

SMILES string

[O-]S(=O)(=O)C(F)(F)F.O=C1C=CC(=O)N1CC[n+]2ccc(cc2)-c3cnc(o3)-c4ccc5OCCCc5c4

InChI key

FGUKXLKALCIXHR-UHFFFAOYSA-M

product line

BioReagent

assay

≥90% (HPCE)

fluorescence

λex 389 nm; λem 528 nm in 0.1 M phosphate pH 7.0

suitability

suitable for fluorescence

storage temp.

2-8°C

Quality Level

100

General description

New class of highly photostable, water soluble fluorescent labels with large Stoke′s shift, high QY in aqueous media and pH tolerance. Major disadvantage: rel. low extinction coefficient (Ε slightly >20′000 in EtOH).

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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Certificates of Analysis (COA)

Lot/Batch Number
1203076V
1203076

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Litak, P.T.;Kauffman, J.M.
Journal of Heterocyclic Chemistry, 31, 457-457 (1994)

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