5-Ethoxy-4-methyl-1,3-oxazole

Modify Date: 2025-08-21 07:29:10

5-Ethoxy-4-methyl-1,3-oxazole Structure
5-Ethoxy-4-methyl-1,3-oxazole structure
Common Name 5-Ethoxy-4-methyl-1,3-oxazole
CAS Number 5006-20-2 Molecular Weight 127.141
Density 1.0±0.1 g/cm3 Boiling Point 164.5±20.0 °C at 760 mmHg
Molecular Formula C6H9NO2 Melting Point N/A
MSDS N/A Flash Point 53.3±21.8 °C

 Names

Name 5-Ethoxy-4-methyloxazole
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 164.5±20.0 °C at 760 mmHg
Molecular Formula C6H9NO2
Molecular Weight 127.141
Flash Point 53.3±21.8 °C
Exact Mass 127.063332
PSA 35.26000
LogP 1.03
Vapour Pressure 2.6±0.3 mmHg at 25°C
Index of Refraction 1.449
InChIKey FWPDSAJKWKRRJD-UHFFFAOYSA-N
SMILES CCOc1ocnc1C
Storage condition 2-8°C

 Safety Information

Hazard Codes Xi
WGK Germany 3
HS Code 2934999090

 Synthetic Route

~50%

5-Ethoxy-4-methyl-1,3-oxazole Structure

5-Ethoxy-4-meth...

CAS#:5006-20-2

Literature: Chan-Huot, Monique; Niether, Christiane; Sharif, Shasad; Tolstoy, Peter M.; Toney, Michael D.; Limbach, Hans-Heinrich Journal of Molecular Structure, 2010 , vol. 976, # 1-3 p. 282 - 289

~87%

5-Ethoxy-4-methyl-1,3-oxazole Structure

5-Ethoxy-4-meth...

CAS#:5006-20-2

Literature: Zou, Ye; Shi, Xiangjun; Zhang, Genbao; Li, Zhenhua; Jin, Can; Su, Weike Organic Process Research and Development, 2013 , vol. 17, # 12 p. 1498 - 1502

~%

5-Ethoxy-4-methyl-1,3-oxazole Structure

5-Ethoxy-4-meth...

CAS#:5006-20-2

Literature: Brun, Paola; Dean, Annalisa; Di Marco, Valerio; Surajit, Pathak; Castagliuolo, Ignazio; Carta, Davide; Ferlin, Maria Grazia European Journal of Medicinal Chemistry, 2013 , vol. 62, p. 486 - 497

 Customs

HS Code 2934999090
Summary 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

 Synonyms

5-Ethoxy-4-methyl-1,3-oxazole
5-ethoxy-4-methyl-oxazole
Oxazole, 5-ethoxy-4-methyl-
5-Ethoxy-4-methoxazole
4-methyl-5-ethoxy oxazole
Oxazole,5-ethoxy-4-Methyl
MFCD06411139
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