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417351

Sigma-Aldrich

4-Hydroxy-6-methylcoumarin

98%

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About This Item

Empirical Formula (Hill Notation):
C10H8O3
CAS Number:
Molecular Weight:
176.17
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

assay

98%

mp

261-264 °C (lit.)

SMILES string

Cc1ccc2OC(=O)C=C(O)c2c1

InChI

1S/C10H8O3/c1-6-2-3-9-7(4-6)8(11)5-10(12)13-9/h2-5,11H,1H3

InChI key

WIRGBZBGYNIZIB-UHFFFAOYSA-N

Application

4-Hydroxy-6-methylcoumarin may be used for the in situ generation of α-methylenechromanes, α-methylenequinoline and ortho-quinone methides, via Knoevenagel reaction. It may be used for the preparation of 8-methyl-2-phenyl-4H-furo-[3,2-c]benzopyran-4-one and 6-methyl-2-phenyl-4H-furo-[2,3-b]benzopyran-4-one.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

target_organs

Respiratory system

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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