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ChemicalBook >> CAS DataBase List >> Coumarin 343

Coumarin 343

Coumarin 343 price.
  • $36 - $906
  • Product name: Coumarin 343
  • CAS: 55804-65-4
  • MF: C16H15NO4
  • MW: 285.29
  • EINECS:259-824-6
  • MDL Number:MFCD00051335
  • Synonyms:KMG-20;COUMARIN 519;COUMARIN 343;RARECHEM AL BO 1145;Coumarin343,lasergrade;Coumarin343lasergrade;Coumarin 343, laser grade, pure;COUMARIN(RG)
Price35 Properties Safety Information Description
35 prices
Selected condition：
Brand
  • aablocks
  • ACHEMBLOCK
  • Adipogen Life Sciences
  • AK Scientific
  • Alichem
  • Ambeed
  • American Custom Chemicals Corporation
  • Arctom
  • Biosynth
  • Cayman Chemical
  • Chem-Impex
  • Crysdot
  • Medical Isotopes, Inc.
  • Sigma-Aldrich
  • TCI Chemical
  • Thermo Scientific Chemicals
  • TRC
Package
  • 25mg
  • 50mg
  • 100mg
  • 200mg
  • 250mg
  • 500mg
  • 1g
  • 5G
  • 100 mg
  • 500 mg
  • Manufactureraablocks
  • Product numberAA003OZX
  • Product description11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 98%
  • Packaging100mg
  • Price$36
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003OZX
  • Product description11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 95%
  • Packaging200mg
  • Price$70
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003OZX
  • Product description11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 98%
  • Packaging250mg
  • Price$76
  • Updated2026-05-28
  • Buy
  • Manufactureraablocks
  • Product numberAA003OZX
  • Product description11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 98%
  • Packaging1g
  • Price$273
  • Updated2026-05-28
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX209796
  • Product description11-oxo-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 97%
  • Packaging5G
  • Price$730
  • Updated2026-05-27
  • Buy
  • ManufacturerACHEMBLOCK
  • Product numberX209796
  • Product description11-oxo-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 97%
  • Packaging1G
  • Price$210
  • Updated2026-05-27
  • Buy
  • ManufacturerAdipogen Life Sciences
  • Product numberCDX-C0073-M500
  • Product descriptionCoumarin 343 ≥98%(HPLC)
  • Packaging500mg
  • Price$145
  • Updated2026-05-06
  • Buy
  • ManufacturerAK Scientific
  • Product numberV2383
  • Product descriptionCoumarin 343
  • Packaging200mg
  • Price$164
  • Updated2021-12-16
  • Buy
  • ManufacturerAlichem
  • Product number55804654
  • Product description11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylicacid
  • Packaging5g
  • Price$555.39
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA723394
  • Product description11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylicacid 98+%
  • Packaging250mg
  • Price$74
  • Updated2021-12-16
  • Buy
  • ManufacturerAmbeed
  • Product numberA723394
  • Product description11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylicacid 98+%
  • Packaging100mg
  • Price$45
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberDYE0000526
  • Product descriptionCOUMARINE-343 95.00%
  • Packaging100MG
  • Price$141.02
  • Updated2021-12-16
  • Buy
  • ManufacturerArctom
  • Product numberHY-W267364
  • Product descriptionCoumarin 343 95.74%
  • Packaging100mg
  • Price$76
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberHY-W267364
  • Product descriptionCoumarin 343 95.74%
  • Packaging50mg
  • Price$48
  • Updated2026-05-26
  • Buy
  • ManufacturerArctom
  • Product numberCS-0312751
  • Product description11-Oxo-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid >=95%
  • Packaging5g
  • Price$906
  • Updated2026-05-26
  • Buy
  • ManufacturerBiosynth
  • Product numberFC62866
  • Product descriptionCoumarin 343
  • Packaging1g
  • Price$800
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
aablocks AA003OZX 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 98% 100mg $36 2026-05-28 Buy
aablocks AA003OZX 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 95% 200mg $70 2026-05-28 Buy
aablocks AA003OZX 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 98% 250mg $76 2026-05-28 Buy
aablocks AA003OZX 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 98% 1g $273 2026-05-28 Buy
ACHEMBLOCK X209796 11-oxo-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 97% 5G $730 2026-05-27 Buy
ACHEMBLOCK X209796 11-oxo-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid 97% 1G $210 2026-05-27 Buy
Adipogen Life Sciences CDX-C0073-M500 Coumarin 343 ≥98%(HPLC) 500mg $145 2026-05-06 Buy
AK Scientific V2383 Coumarin 343 200mg $164 2021-12-16 Buy
Alichem 55804654 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylicacid 5g $555.39 2021-12-16 Buy
Ambeed A723394 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylicacid 98+% 250mg $74 2021-12-16 Buy
Ambeed A723394 11-oxo-2,3,5,6,7,11-Hexahydro-1H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylicacid 98+% 100mg $45 2021-12-16 Buy
American Custom Chemicals Corporation DYE0000526 COUMARINE-343 95.00% 100MG $141.02 2021-12-16 Buy
Arctom HY-W267364 Coumarin 343 95.74% 100mg $76 2026-05-26 Buy
Arctom HY-W267364 Coumarin 343 95.74% 50mg $48 2026-05-26 Buy
Arctom CS-0312751 11-Oxo-2,3,6,7-tetrahydro-1H,5H,11H-pyrano[2,3-f]pyrido[3,2,1-ij]quinoline-10-carboxylic acid >=95% 5g $906 2026-05-26 Buy
Biosynth FC62866 Coumarin 343 1g $800 2021-12-16 Buy
Next Last

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

Safety Information

Symbol(GHS): Exclamation Mark (GHS07)
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P
Precautionary statements:
P264 Wash hands thoroughly after handling.
P264 Wash skin thouroughly after handling.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P321 Specific treatment (see … on this label).
P332+P313 IF SKIN irritation occurs: Get medical advice/attention.
P362 Take off contaminated clothing and wash before reuse.

Description

Suitable as a laser dye.

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Suppliers and manufacturers

J & K SCIENTIFIC LTD. Meryer (Shanghai) Chemical Technology Co., Ltd. TCI (Shanghai) Development Co., Ltd. Beijing HwrkChemical Technology Co., Ltd Energy Chemical Capot Chemical Co., Ltd Tianjin heowns Biochemical Technology Co., Ltd. Tianjin YongSheng Biotechnology Co., Ltd. Thermo Fisher Scientific Beijing innoChem Science & Technology Co.,Ltd.