Skip to Content
MilliporeSigma
All Photos(2)

Key Documents

View All Documentation

393002

Sigma-Aldrich

Coumarin 334

Dye content 99 %

Sign Into View Organizational & Contract Pricing
All Photos(2)

About This Item

Empirical Formula (Hill Notation):
C17H17NO3
CAS Number:
55804-67-6
Molecular Weight:
283.32
EC Number:
259-826-7
MDL number:
MFCD00051336
UNSPSC Code:
12171500
PubChem Substance ID:
24864497
NACRES:
NA.47

form

powder or crystals

composition

Dye content, 99%

mp

181-184 °C (lit.)

solubility

ethanol: 10 mg/mL

λmax

452 nm

ε (extinction coefficient)

≥45000 at 449-455 nm in ethanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

CC(=O)C1=Cc2cc3CCCN4CCCc(c2OC1=O)c34

InChI

1S/C17H17NO3/c1-10(19)14-9-12-8-11-4-2-6-18-7-3-5-13(15(11)18)16(12)21-17(14)20/h8-9H,2-7H2,1H3

InChI key

JBPCDMSEJVCNGV-UHFFFAOYSA-N

Application

Suitable as a laser dye

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Sagar Satpathi et al.
Organic & biomolecular chemistry, 17(21), 5392-5399 (2019-05-21)
Here, we have explored the light-up property of coumarin 343 (C343) selectively towards various i-motif DNAs based on the recognition of hemi-protonated cytosine-cytosine base pairing, unlike other DNA structures. We have also demonstrated the versatile ability of this i-motif ligand

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service