Coumarins and derivatives

2-Oxo-2H-chromen-7-yl Trifluoromethanesulfonate 98.0+%, TCI America™

CAS: 108530-10-5 Molecular Formula: C10H5F3O5S Molecular Weight (g/mol): 294.2 MDL Number: MFCD18382236 InChI Key: RHZZAJVDTLUWRD-UHFFFAOYSA-N Synonym: Trifluoromethanesulfonic Acid 2-Oxo-2H-chromen-7-yl Ester, 7-Coumaryl Trifluoromethanesulfonate, 7-Coumaryl Triflate PubChem CID: 13704479 IUPAC Name: (2-oxochromen-7-yl) trifluoromethanesulfonate SMILES: C1=CC(=CC2=C1C=CC(=O)O2)OS(=O)(=O)C(F)(F)F

Coumarin 545 97.0+%, TCI America™

CAS: 85642-11-1 Molecular Formula: C22H18N2O2S Molecular Weight (g/mol): 374.458 InChI Key: WYZWJLZUSHFFOR-UHFFFAOYSA-N Synonym: 10-(2-Benzothiazolyl)-2,3,6,7-tetrahydro-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizin-11-one PubChem CID: 5237252 SMILES: C1CC2=C3C(=C4C(=C2)C=C(C(=O)O4)C5=NC6=CC=CC=C6S5)CCCN3C1

Coumarin 525 97.0+%, TCI America™

CAS: 87331-47-3 Molecular Formula: C22H18N2O3 Molecular Weight (g/mol): 358.397 InChI Key: XYFLALJXCJWBPG-UHFFFAOYSA-N Synonym: 10-(2-Benzoxazolyl)-2,3,6,7-tetrahydro-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizin-11-one PubChem CID: 1371421 SMILES: C1CC2=C3C(=C4C(=C2)C=C(C(=O)O4)C5=NC6=CC=CC=C6O5)CCCN3C1

Coumarin 510 98.0+%, TCI America™

CAS: 87349-92-6 Molecular Formula: C20H18N2O2 Molecular Weight (g/mol): 318.376 MDL Number: MFCD00467042 InChI Key: OEEAIIVRKIVRNX-UHFFFAOYSA-N Synonym: 2,3,6,7-Tetrahydro-10-(3-pyridyl)-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizin-11-one PubChem CID: 9905078 SMILES: C1CC2=C3C(=C4C(=C2)C=C(C(=O)O4)C5=CN=CC=C5)CCCN3C1

Coumarin 498 98.0+%, TCI America™

CAS: 87331-48-4 Molecular Formula: C16H17NO4S Molecular Weight (g/mol): 319.38 MDL Number: MFCD00467041 InChI Key: DPJWIXMOCGJKDG-UHFFFAOYSA-N Synonym: 2,3,6,7-Tetrahydro-10-(methylsulfonyl)-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizin-11-one PubChem CID: 91972096 IUPAC Name: 5-methanesulfonyl-3-oxa-13-azatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadeca-1,5,7,9(17)-tetraen-4-one SMILES: CS(=O)(=O)C1=CC2=CC3=C4N(CCC3)CCCC4=C2OC1=O

Coumarin 521T 98.0+%, TCI America™

CAS: 114768-72-8 Molecular Formula: C21H25NO3 Molecular Weight (g/mol): 339.435 InChI Key: NGTDVJOJDMQAMI-UHFFFAOYSA-N Synonym: 10-Acetyl-2,3,6,7-tetrahydro-1,1,7,7-tetramethyl-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizin-11-one PubChem CID: 14365279 SMILES: CC(=O)C1=CC2=CC3=C4C(=C2OC1=O)C(CCN4CCC3(C)C)(C)C

Coumarin 337 98.0+%, TCI America™

CAS: 55804-68-7 Molecular Formula: C16H14N2O2 Molecular Weight (g/mol): 266.30 MDL Number: MFCD00051332 InChI Key: LGDDFMCJIHJNMK-UHFFFAOYSA-N Synonym: coumarin 337,1h,5h,11h-1 benzopyrano 6,7,8-ij quinolizine-10-carbonitrile, 2,3,6,7-tetrahydro-11-oxo,2,3,6,7-tetrahydro-11-oxo-1h,5h,11h-1 benzopyrano 6,7,8-ij quinolizine-10-carbonitrile,coumarin 523,pubchem13313,1h,11h-1 benzopyrano 6,7,8-ij quinolizine-10-carbonitrile, 2,3,6,7-tetrahydro-11-oxo,11-oxo-2,3,6,7-tetrahydro-1h,5h,11h-pyrano 2,3-f pyrido 3,2,1-ij quinoline-10-carbonitrile,1h,5h,11h-1 benzopyrano 6,7,8-ij quinolizine-10-carbonitrile,2,3,6,7-tetrahydro-11-oxo PubChem CID: 72654 IUPAC Name: 4-oxo-3-oxa-13-azatetracyclo[7.7.1.0²,⁷.0¹³,¹⁷]heptadeca-1,5,7,9(17)-tetraene-5-carbonitrile SMILES: O=C1OC2=C3CCCN4CCCC(C=C2C=C1C#N)=C34

Coumarin 545T 98.0+%, TCI America™

CAS: 155306-71-1 Molecular Formula: C26H26N2O2S Molecular Weight (g/mol): 430.566 MDL Number: MFCD03427187 InChI Key: MSDMPJCOOXURQD-UHFFFAOYSA-N Synonym: 10-(2-Benzothiazolyl)-2,3,6,7-tetrahydro-1,1,7,7-tetramethyl-1H,5H,11H-[1]benzopyrano[6,7,8-ij]quinolizin-11-one PubChem CID: 5112805 ChEBI: CHEBI:51896 SMILES: CC1(CCN2CCC(C3=C4C(=CC1=C32)C=C(C(=O)O4)C5=NC6=CC=CC=C6S5)(C)C)C

Coumarin 478 98.0+%, TCI America™

CAS: 41175-45-5 Molecular Formula: C18H19NO2 Molecular Weight (g/mol): 281.355 MDL Number: MFCD00041949 InChI Key: LLSRPENMALNOFW-UHFFFAOYSA-N Synonym: coumarin 106,coumarin 478,2,3,6,7,10,11-hexahydro-1h,5h-cyclopenta 3,4 1 benzopyrano 6,7,8-ij quinolizin-12 9h-one,1h,5h-cyclopenta 3,4 1 benzopyrano 6,7,8-ij quinolizin-12 9h-one, 2,3,6,7,10,11-hexahydro,3-oxa-16-azapentacyclo 10.7.1.0 2 , 1 ?.0?,?.0 1 ?, 2 ? icosa-1,5 9 ,10,12 20-tetraen-4-one,coumarin 107,1h,4 1 benzopyrano 6,7,8-ij quinolizin-12 9h-one, 2,3,6,7,10,11-hexahydro,1h,5h-cyclopenta 3,4 1 benzopyrano 6,7,8-ij quinolizin-12 9h-one, 2,3,6,7,10,11-hexahydro-9ci PubChem CID: 100336 SMILES: C1CC2=C(C1)C(=O)OC3=C4CCCN5C4=C(CCC5)C=C23

Medchemexpress LLC 2H-1-Benzopyran-2-one, 6-bromo- | 19063-55-9 | 225.04 | 10 G

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6-Bromocoumarin (6-Bromochromen-2-one) is a chemical compound identified as a potential anti-bacterial agent. It has been noted for not inhibiting 17β-HSD1 and for showing affinity for α and β estrogen receptors.

• Potential anti-bacterial agent
• Does not inhibit 17β-HSD1
• Shows affinity for α and β estrogen receptors

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Medchemexpress LLC (2,5-dioxopyrrolidin-1-yl) 7-hydroxy-2-oxochromene-3-carboxylate | 134471-24-2 | MFCD00037568 | >96.0% | 303.22 g/mol | C14H9NO7 | 10 MG

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7-Hydroxycoumarin-3-carboxylic acid N-succinimidyl ester is an N-hydroxysuccinimide (NHS)-activated fluorescent labeling reagent that introduces a 7-hydroxycoumarin fluorophore onto primary amines. Provided as a solid for research use, it is intended for bioconjugation and fluorescence-based assays.

• Reacts with primary amines via NHS ester chemistry for covalent labeling.
• Provides a blue/UV-excitable coumarin fluorophore suitable for protein, peptide, and nucleic acid labeling.
• Available in small-scale quantities convenient for analytical and preparative labeling.
• High chemical purity suitable for coupling reactions (suppliers report >96%).
• Stable when stored as directed; consult the product datasheet or certificate of analysis for storage and handling details.

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Medchemexpress LLC 2H-1-Benzopyran-2-one, 7-ethoxy-4-methyl- | 87-05-8 | MFCD00016971 | 99.4% | 10 G

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7-Ethoxy-4-methylcoumarin is a coumarin derivative that can be used as a substrate probe for mammalian cytochromes P450 1A1, 2B4, and 2B6. It is for research use only.

• Coumarin derivative
• Substrate probe of mammalian cytochromes P450 1A1, 2B4 and 2B6
• Solid appearance
• White to off-white color

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TARGETMOL CHEMICALS INC 3-Nitrocoumarin 25MG

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Also available in 1 mL, 2 mg, 5 mg, 10 mg, 50 mg, 100 mg and bulk. Please contact Fisher for quotes. 3-Nitrocoumarin (3-nitrochromen-2-one) (3-NC) is a potent and selective Phospholipase C-gamma (PLCgamma) inhibitor. Purity 97.28%

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TARGETMOL CHEMICALS INC 3-Aminocoumarin 50MG

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Also available in 5 mg, 10 mg, 25 mg, 100 mg, 200 mg and bulk. Please contact Fisher for quotes. 3-Aminocoumarin (3-aminochromen-2-one) is the key intermediate for the metal complexes. Purity 99.54%

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Medchemexpress LLC 4-Methoxycoumarin | 20280-81-3 | 176.17 g/mol | C10H8O3 | 1 G

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4-Methoxycoumarin is a coumarin derivative used in research with reported antibacterial activity against Ralstonia solanacearum. It is supplied as a powder with chemical formula C10H8O3 (molecular weight 176.17 g/mol) and CAS number 20280-81-3. The compound is soluble in DMSO (100 mg/mL; ultrasonic assistance recommended), and storage guidance and solution stability are provided for laboratory handling.

• Antibacterial activity against Ralstonia solanacearum
• Chemical formula C10H8O3 and molecular weight 176.17 g/mol
• CAS number 20280-81-3 for unambiguous identification
• High DMSO solubility: 100 mg/mL (requires ultrasonic)
• Storage stability: powder -20°C (up to 3 years), 4°C (up to 2 years); in solvent -80°C (6 months), -20°C (1 month)
• Solution preparation guidance from 1 g: 1 mM = 5.6763 mL, 5 mM = 1.1353 mL, 10 mM = 0.5676 mL

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