4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-

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Names

[ CAS No. ]:
1073-96-7

[ Name ]:
4H-Pyran-4-one, 3,5-dihydroxy-2-methyl-

[Synonym ]:
5-Hydroxymaltol
3,5-dihydroxy-2-methyl-pyran-4-one
3,5-Dihydroxy-2-methyl-4H-pyran-4-one
5-oxymaltol
4H-Pyran-4-one,3,5-dihydroxy-2-methyl
2-methyl-3,5-dihydroxy-4H-pyran-4-one
3,5-Dihydroxy-2-methyl-4-pyrone

Chemical & Physical Properties

[ Density]:
1.605g/cm3

[ Boiling Point ]:
346.2ºC at 760 mmHg

[ Molecular Formula ]:
C6H6O4

[ Molecular Weight ]:
142.10900

[ Flash Point ]:
154.5ºC

[ Exact Mass ]:
142.02700

[ PSA ]:
70.67000

[ LogP ]:
0.35940

[ Vapour Pressure ]:
3.66E-06mmHg at 25°C

[ Index of Refraction ]:
1.639

Safety Information

[ HS Code ]:
2932999099

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • D-(+)-Glucose
  • 4-chloro-6-methoxy-2-methyl-2H-pyran-3(6H)-one
  • D-(+)-Xylose
  • SPERMINE TETRAHYDROCHLORIDE
  • Glycine

DownStream

Customs

[ HS Code ]: 2932999099

[ Summary ]:
2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 3,5-dihydroxy-2-methyloxan-4-one
  • 3,5-dihydroxy-2,6-dimethylpyran-4-one
  • 4H-Pyran-4-one,3,5-dimethoxy-2-methyl-(9CI)
  • 4H-Pyran-4-one,3,5-dihydroxy-(6CI,7CI,8CI,9CI)
  • 3,5-dihydroxy-2-methyl-2,3-dihydropyran-4-one
  • 4H-Pyran-4-one, 3-(2-hydroxyethenyl)-2-methyl- (9CI)
  • N-(3,4-dimethoxyphenyl)-2-((5-phenyl-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide
  • N-(2-methoxyphenyl)-2-((5-(4-methoxyphenyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide
  • N-(3-acetylphenyl)-2-{[5-(4-methoxyphenyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
  • N-(4-ethoxyphenyl)-2-{[5-(4-methoxyphenyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
  • N-(2-methoxy-5-methylphenyl)-2-{[5-(4-methoxyphenyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}acetamide
  • 2-{[5-benzyl-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-[2-(trifluoromethyl)phenyl]acetamide
  • 2-{[5-benzyl-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl]sulfanyl}-N-[3-(trifluoromethyl)phenyl]acetamide
  • N-(3-chlorophenyl)-2-((5-(4-methoxybenzyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide
  • N-(2,3-dimethylphenyl)-2-((5-(4-methoxybenzyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide
  • N-(2,4-dimethylphenyl)-2-((5-(4-methoxybenzyl)-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide
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