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Merck
CN

543594

5,7-二羟基-4-甲基香豆素

98%

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关于此项目

经验公式(希尔记法):
C10H8O4
化学文摘社编号:
分子量:
192.17
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
218-289-9
MDL number:
Assay:
98%
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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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pictograms

Exclamation mark

signalword

Warning

hcodes

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



历史批次信息供参考:

分析证书(COA)

Lot/Batch Number

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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)
A one-pot, three-component synthesis of new pyrano [2, 3-h] coumarin derivatives.
Karami B, et al.
Tetrahedron Letters, 53(12), 1445-1446 (2012)
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
543594-1G04061832567525