ChemicalBook >> CAS DataBase List >>Coumarin 343
Coumarin 343
- CAS No.
- 55804-65-4
- Chemical Name:
- Coumarin 343
- Synonyms
- C-343;KMG-20;COUMARIN(RG);COUMARIN 343;COUMARIN 519;Coumarine 343;RARECHEM AL BO 1145;Exciton Coumarin 519;COUMARIN 343 (2 GMS);Coumarin343lasergrade
- CBNumber:
- CB8681142
- Molecular Formula:
- C16H15NO4
- Molecular Weight:
- 285.29
- MDL Number:
- MFCD00051335
- MOL File:
- 55804-65-4.mol
Last updated:2025-08-05 17:23:13
| 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 |
| 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 |
| FDA UNII | 7GE3Q7LWR9 |
| 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) |
| UNSPSC Code | 12171500 |
| NACRES | NA.47 |
SAFETY
Risk and Safety Statements
| 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 | |||||||||
| NFPA 704 |
|
Coumarin 343 price More Price(19)
| Manufacturer | Product number | Product description | CAS number | Packaging | Price | Updated | Buy |
|---|---|---|---|---|---|---|---|
| Sigma-Aldrich | 393029 | Coumarin 343 Dye content 97% | 55804-65-4 | 100mg | $63.4 | 2025-07-31 | Buy |
| Sigma-Aldrich | 393029 | Coumarin 343 Dye content 97% | 55804-65-4 | 500mg | $214.7 | 2025-07-31 | Buy |
| TCI Chemical | C2899 | Coumarin 343 | 55804-65-4 | 200mg | $112 | 2025-07-31 | Buy |
| TRC | C725033 | Coumarin 343 | 55804-65-4 | 25mg | $75 | 2021-12-16 | Buy |
| Chem-Impex | 38614 | Coumarin 343 | 55804-65-4 | 200MG | $95.51 | 2021-12-16 | Buy |
Coumarin 343 Chemical Properties,Uses,Production
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.
Chemical Properties
orange crystalline powder
Uses
Suitable as a laser dye.
Definition
ChEBI: Coumarin 343 is a member of 7-aminocoumarins. It has a role as a fluorochrome.
Coumarin 343 Preparation Products And Raw materials
Global( 132)Suppliers
| Supplier | Tel | Country | ProdList | Advantage | |
|---|---|---|---|---|---|
| Capot Chemical Co.,Ltd. | +8613336195806 | sales@capot.com | China | 29733 | 60 |
| career henan chemical co | +86-0371-86658258 +8613203830695 | sales@coreychem.com | China | 29855 | 58 |
| CONIER CHEM AND PHARMA LIMITED | +8618523575427 | sales@conier.com | China | 49730 | 58 |
| Shaanxi Dideu Medichem Co. Ltd | +86-29-87569266 15319487004 | 1015@dideu.com | China | 3969 | 58 |
| Jiangxi Lotchem Co.,Ltd. | +8615270827708 | lancetu@jxlotchem.com | CHINA | 338 | 58 |
| Zhengzhou Alfa Chemical Co.,Ltd | +8618530059196 | sale04@alfachem.cn | China | 12397 | 58 |
| TargetMol Chemicals Inc. | +1-781-999-5354; +17819995354 | marketing@targetmol.com | United States | 32376 | 58 |
| Dayang Chem (Hangzhou) Co.,Ltd. | +86-0571-88938639 +8617705817739 | info@dycnchem.com | China | 52846 | 58 |
| sgtlifesciences pvt ltd | +8617013299288 | dj@sgtlifesciences.com | China | 12373 | 58 |
| BTC pharm India | +918790379245 | banny.janga@btcpharm.com | India | 1262 | 58 |
View Lastest Price from Coumarin 343 manufacturers
| Image | Update time | Product | Price | Min. Order | Purity | Supply Ability | Manufacturer | |
|---|---|---|---|---|---|---|---|---|
 |
2025-06-18 | Coumarin343
55804-65-4
|
US $66.00-41.00 / mg | 96.08% | 10g | TargetMol Chemicals Inc. | ||
 |
2019-09-02 | Coumarin 343
55804-65-4
|
US $7.00 / KG | 1KG | 99% | 100kg | Career Henan Chemical Co |
-
- Coumarin343
55804-65-4
- US $66.00-41.00 / mg
- 96.08%
- TargetMol Chemicals Inc.
-
- Coumarin 343
55804-65-4
- US $7.00 / KG
- 99%
- Career Henan Chemical Co
55804-65-4(Coumarin 343)Related Search:
KMG-20
COUMARIN 519
COUMARIN 343
RARECHEM AL BO 1145
Coumarin343,lasergrade
Coumarin343lasergrade
Coumarin 343, laser grade, pure
COUMARIN(RG)
Exciton Coumarin 519
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
C-343
Coumarin 343,pure,laser grade
Coumarine 343
CouMarin 343, laser grade, pure 500MG
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
COUMARIN 343 (2 GMS)
55804-65-4
C
Stains and Dyes
Stains&Dyes, A to
