2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl-

Modify Date: 2025-08-25 19:36:48

2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl- Structure
2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl- structure
 Common Name 2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl-
CAS Number 5399-21-3 Molecular Weight 142.15200
Density 1.194g/cm3 Boiling Point 243.7ºC at 760mmHg
Molecular Formula C7H10O3 Melting Point 119ºC
MSDS N/A Flash Point 100ºC

 Names

Name 6-Methyl-3,4-dihydro-2H-pyran-5-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.194g/cm3
Boiling Point 243.7ºC at 760mmHg
Melting Point 119ºC
Molecular Formula C7H10O3
Molecular Weight 142.15200
Flash Point 100ºC
Exact Mass 142.06300
PSA 46.53000
LogP 1.15540
Index of Refraction 1.501

 Safety Information

HS Code 2932999099

 Synthetic Route

Ethyl acetoacetate structure

Ethyl acetoacetate

CAS#:141-97-9

1,3-Dibromopropane structure

1,3-Dibromopropane

CAS#:109-64-8

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2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl- Structure

2H-Pyran-5-carb...

CAS#:5399-21-3

Literature: Journal of the Chemical Society, , vol. 51, p. 709,715

 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%

 Synonyms

3,4-Dihydro-6-methyl-2H-pyran-5-carboxylic acid
2-methyl-5,6-dihydro-4H-pyran-3-carboxylic acid
2-Methyl-5,6-dihydro-4H-pyran-3-carbonsaeure
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Chemsrc provides CAS#:5399-21-3 MSDS, density, melting point, boiling point, structure, etc. Its name is 2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl->> amp version: 2H-Pyran-5-carboxylicacid, 3,4-dihydro-6-methyl-

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