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55804-65-4

55804-65-4 Structure

55804-65-4 Structure
IdentificationBack Directory
[Name]

Coumarin 343
[CAS]

55804-65-4
[Synonyms]

C-343
KMG-20
COUMARIN 519
COUMARIN 343
COUMARIN(RG)
Coumarine 343
RARECHEM AL BO 1145
Exciton Coumarin 519
Coumarin343lasergrade
Coumarin343,lasergrade
Coumarin 343,pure,laser grade
Coumarin 343, laser grade, pure
CouMarin 343, laser grade, pure 500MG
10-Oxo-2,3,3a,4,5,6,10-heptahydro-11-oxa-3a-aza-1H-benzo[de]anthracene-9-carboxylic acid
11-Oxo-2,3,6,7-tetrahydro-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid
11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid
2,3,6,7-tetrahydro-11-oxo-1h,5h,11h-[1]benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid
11-OXO-2,3,6,7-TETRAHYDRO-1H,5H,11H-PYRANO[2,3-F]PYRIDO[3,2,1-IJ]QUINOLINE-10-CARBOXYLIC ACID
[EINECS(EC#)]

259-824-6
[Molecular Formula]

C16H15NO4
[MDL Number]

MFCD00051335
[MOL File]

55804-65-4.mol
[Molecular Weight]

285.29
Chemical PropertiesBack Directory
[Appearance]

orange crystalline powder
[Melting point ]

240 °C(lit.)
[Boiling point ]

574.8±50.0 °C(Predicted)
[density ]

1.47±0.1 g/cm3(Predicted)
[storage temp. ]

room temp
[solubility ]

Chloroform: Slightly soluble: 0.1-1 mg/ml
DMSO: Slightly soluble: 0.1-1 mg/ml
[form ]

Crystalline Powder
[pka]

-98.22±0.20(Predicted)
[color ]

Orange
[ε(extinction coefficient)]

≥26000 at 441-445nm in ethanol at 0.01g/L
[λmax]

443 nm
[Major Application]

diagnostic assay manufacturing
hematology
histology
[InChI]

InChI=1S/C16H15NO4/c18-15(19)12-8-10-7-9-3-1-5-17-6-2-4-11(13(9)17)14(10)21-16(12)20/h7-8H,1-6H2,(H,18,19)
[InChIKey]

KCDCNGXPPGQERR-UHFFFAOYSA-N
[SMILES]

C12=C3OC(=O)C(C(O)=O)=CC3=CC3=C1N(CCC3)CCC2
[EPA Substance Registry System]

1H,5H,11H-[1]Benzopyrano[6,7,8-ij]quinolizine-10-carboxylic acid, 2,3,6,7-tetrahydro-11-oxo- (55804-65-4)
Hazard InformationBack Directory
[Chemical Properties]

orange crystalline powder
[Uses]

Suitable as a laser dye.
[Description]

Coumarin 519 is a synthetic fluorescent dye widely used in biomedical research. It serves as a valuable tool for studying drug distribution and pharmacokinetics, as well as for monitoring membrane potential and calcium signaling in live cells. Additionally, it finds applications in fluorescence microscopy, flow cytometry, and bioimaging techniques.

[Definition]

ChEBI: Coumarin 343 is a member of 7-aminocoumarins. It has a role as a fluorochrome.
[References]

[1] G.A. REYNOLDS  K. H D. New coumarin dyes with rigidized structure for flashlamp-pumped dye lasers[J]. Optics Communications, 1975, 13 3: Pages 222-225. DOI: 10.1016/0030-4018(75)90085-1
Safety DataBack Directory
[Hazard Codes ]

Xn
[Risk Statements ]

36/37/38-20/21/22
[Safety Statements ]

37/39-26-24/25
[WGK Germany ]

3
[TSCA ]

TSCA listed
[HS Code ]

29349990
[Storage Class]

11 - Combustible Solids
Spectrum DetailBack Directory
[Spectrum Detail]

Coumarin 343(55804-65-4)1HNMR
Coumarin 343(55804-65-4)IR
Coumarin 343(55804-65-4)FT-IR
Coumarin 343(55804-65-4)Raman
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