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4504-12-5

4504-12-5 structure

4504-12-5 structure

Name: ethyl 5-oxo-2-phenyl-1,2-oxazole-4-carboxylate
Chemical Name: ethyl 5-oxo-2-phenyl-1,2-oxazole-4-carboxylate
CAS Number: 4504-12-5
Molecular Formula: C₁₂H₁₁NO₄
Molecular Weight: 233.22000
Create Date: 2016-03-21 05:28:17
Modify Date: 2025-09-01 17:32:32

Name	ethyl 5-oxo-2-phenyl-1,2-oxazole-4-carboxylate
Synonyms	4-Isoxazolecarboxylic acid,2,5-dihydro-5-oxo-2-phenyl-,ethyl ester ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazol-4-carboxylate ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazole-4-carboxaldehyde 2,5-dihydro-5-oxo-2-phenyl-4-isoxazolecarboxylate ethyl 2-phenyl-5-oxo-2,5-dihydroisoxazole-4-carboxylate 5-oxo-2-phenyl-2,5-dihydro-isoxazole-4-carboxylic acid ethyl ester 4-Ethoxycarbonyl-2-phenyl-isoxazol-5-on ethyl 5-oxo-2-phenyl-2,5-dihydroisoxazole-4-carboxylate

Molecular Formula	C₁₂H₁₁NO₄
Molecular Weight	233.22000
Exact Mass	233.06900
PSA	61.44000
LogP	1.60720

HS Code	2934999090

100-65-2 structure

100-65-2

87-13-8 structure

87-13-8

~93%

4504-12-5 structure

4504-12-5

Literature: Ang, Kiah H.; Prager, Rolf H. Tetrahedron, 1992 , vol. 48, # 41 p. 9073 - 9084

Precursor 2
100-65-2 87-13-8
DownStream 8
142558-47-2 142558-45-0 776-41-0 67368-33-6
54535-22-7 172678-67-0 16798-45-1 142558-46-1

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

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