Quality Level
assay
98%
mp
296-299 °C (lit.)
functional group
ester
SMILES string
CC1=CC(=O)Oc2cc(O)cc(O)c12
InChI
1S/C10H8O4/c1-5-2-9(13)14-8-4-6(11)3-7(12)10(5)8/h2-4,11-12H,1H3
InChI key
QNVWGEJMXOQQPM-UHFFFAOYSA-N
General description
5,7-Dihydroxy-4-methylcoumarin can be obtained by reacting phloroglucinol and ethylacetoacetate via Pechmann condensation in the presence of sulfuric acid.
Application
5,7-Dihydroxy-4-methylcoumarin may be used in the synthesis of pyrano[2,3-h]coumarin derivatives and 5,7-dihydroxy-8-formyl-4-methylcoumarin.
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signalword
Warning
hcodes
pcodes
Hazard Classifications
Acute Tox. 4 Oral
存储类别
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Etil Guzelmeric et al.
Journal of pharmaceutical and biomedical analysis, 132, 35-45 (2016-10-04)
Chamomile tea composed of dried flower heads of Matricaria recutita L. (Asteraceae) is one of the most popular single ingredient herbal teas. Tea industries, spice shops or public bazaars are mostly supplied chamomile as a raw material via cultivation or
Modified coumarins. 27. Ssynthesis and antioxidant activity of 3-substituted 5, 7-dihydroxy-4-methylcoumarins.
Garazd MM, et al.
Chemistry of Natural Compounds, 43(1), 19-23 (2007)
Formylation of Benzopyrones. II. Formylation of Hydroxycoumarins with N-Methylformanilide1.
Naik RM and Thakor VM.
The Journal of Organic Chemistry, 22(12), 1630-1633 (1957)
全球贸易项目编号
| 货号 | GTIN |
|---|---|
| 543594-1G | 04061832567525 |