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393002

Sigma-Aldrich

Coumarin 334

Dye content 99 %

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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

Quality Level

100

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

Related Categories

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’.

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Coumarin-3-carboxylic acid 99%

Sigma-Aldrich

C85603

Coumarin-3-carboxylic acid

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

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