Coumarin 343
香豆素 343
Also known as: Coumarin 519, Coumarin 343, laser grade, COUMARIN(RG), Coumarin343, Coumarin343, laser grade, KMG-20, MFCD00051335, RARECHEM AL BO 1145, COUMARIN 343, COUMARIN 519, 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
- CAS No.
- 55804-65-4
- Jingsj CID
- J-23705-7
- Molecular Formula
- C16H15NO4
- Chinese Name
- 香豆素 343
- Molecular Weight
- 285.295 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
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Request a quotePhysicochemical Properties
| Melting Point | 240ºC |
|---|---|
| Boiling Point | 574.8±50.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 301.4±30.1 °C |
Frequently Asked Questions
What is the CAS number of Coumarin 343?
55804-65-4
What are the molecular formula and molecular weight of Coumarin 343?
C16H15NO4, molecular weight 285.295 g/mol
Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026