5,7-Dihydroxy-4-methylcoumarin

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Names

[ CAS No. ]:
2107-76-8

[ Name ]:
5,7-Dihydroxy-4-methylcoumarin

[Synonym ]:
4-Methyl-5,7-dihydroxycoumarin
5,7-Dihydroxy-4-methyl-2H-1-benzopyran-2-one
2H-1-Benzopyran-2-one, 5,7-dihydroxy-4-methyl-
5,7-Dihydroxy-4-methyl-2H-chromen-2-one
5,7-dihydroxy-4-methyl-chromen-2-one
EINECS 218-289-9
MFCD00016966
5,7-dihydroxy-4-methyl-2H-2-chromenone
4-Methyllimetol
5,7-DIHYDROXY-4-METHYLCOUMARIN

Chemical & Physical Properties

[ Density]:
1.5±0.1 g/cm3

[ Boiling Point ]:
472.1±14.0 °C at 760 mmHg

[ Melting Point ]:
296-299 °C(lit.)

[ Molecular Formula ]:
C10H8O4

[ Molecular Weight ]:
192.168

[ Flash Point ]:
197.9±13.6 °C

[ Exact Mass ]:
192.042252

[ PSA ]:
70.67000

[ LogP ]:
2.58

[ Vapour Pressure ]:
0.0±1.2 mmHg at 25°C

[ Index of Refraction ]:
1.652

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ WGK Germany ]:
3

[ HS Code ]:
2932209090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • Phloroglucinol
  • Methyl acetoacetate
  • Ethyl acetoacetate
  • Ethyl 2-butynoate
  • 2,2,6-Trimethyl-4H-1,3-dioxin-4-one
  • Resorcine
  • methyl (Z)-3-hydroxybut-2-enoate
  • 5-Methoxy-7-hydroxycoumarin
  • 5,7-Dihydroxycoumarin
  • Dimethyl sulfoxide

DownStream

  • 5,7-diethoxy-4-methylchromen-2-one
  • 6-acetyl-5,7-dihydroxy-4-methylchromen-2-one
  • 6,8-diacetyl-5,7-hydroxy-4-methylcouumarin
  • (5-acetyloxy-4-methyl-2-oxochromen-7-yl) acetate
  • 5,7-dimethoxy-2-oxochromene-4-carbaldehyde
  • 4-methyl-5,7-bis(prop-2-enoxy)chromen-2-one
  • (4-methyl-5-methylsulfonyloxy-2-oxochromen-7-yl) methanesulfonate

Customs

[ HS Code ]: 2932209090

[ Summary ]:
2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 5 7-DIHYDROXY-4-PHENYLCOUMARIN
  • 5,7-dihydroxy-4-(2-hydroxyphenyl)chromen-2-one
  • 5,7-dihydroxy-4-phenyl-3,4-dihydrochromen-2-one
  • 5,7-dihydroxy-4-imino-2-oxochroman
  • 5 7-DIHYDROXY-4-PROPYLCOUMARIN
  • 5,7-dihydroxy-4-pentylchromen-2-one
  • Dimethyl 2-(phenyl(trifluoromethyl)-l4-sulfanylidene)malonate
  • Benzyl 3-ethenylpiperidine-1-carboxylate
  • 1-Chloro-3-propoxy-5-(trifluoromethoxy)benzene
  • (5-Bromo-2-methyl-benzyl)-methyl-carbamic acid tert-butyl ester
  • 6-Chloro-2-ethoxypyridin-3-amine
  • 4-Chloro-6,7-dimethyl-2-[2-(1-piperidinyl)ethyl]-1H-pyrrolo[3,2-c]pyridine
  • Ethyl 2-(3-hydroxyquinuclidin-3-yl)acetate
  • Hexanoic acid, 3-hydroxy-2,2-dimethyl-, ethyl ester, (3R)-
  • tert-butyl N-[1-(3-bromophenyl)-2-methoxyethyl]carbamate
  • Dhoi-attac-cephem
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