Home Categories Chemical Reagents Coumarin 343
T8379230

Coumarin 343 , 55804-65-4

CAS NO.:55804-65-4

Empirical Formula: C16H15NO4

Molecular Weight: 285.29

MDL number: MFCD00051335

EINECS: 259-824-6

Pack Size Price Stock Quantity
200mg RMB1124.00 In Stock
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Update time: 2022-07-08

PRODUCT Properties

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
pka -98.22±0.20(Predicted)
form  Crystalline Powder
color  Orange
λmax 443 nm
ε(extinction coefficient) ≥26000 at 441-445nm in ethanol at 0.01g/L
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)

Description and Uses

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.

Suitable as a laser dye.

Safety

Symbol(GHS) 
GHS07
Signal word  Warning
Hazard statements  H319-H315
Precautionary statements  P264-P280-P305+P351+P338-P337+P313P-P264-P280-P302+P352-P321-P332+P313-P362
Hazard Codes  Xn
Risk Statements  36/37/38-20/21/22
Safety Statements  37/39-26-24/25
WGK Germany  3
HS Code  29349990

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