CAS 26518-87-6|4-Oxo-4-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-2-butenoic acid

Introduction：Basic information about CAS 26518-87-6|4-Oxo-4-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-2-butenoic acid, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	4-Oxo-4-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-2-butenoic acid
CAS Number	26518-87-6	Molecular Weight	247.20400
Density	1.432g/cm3	Boiling Point	558.6ºC at 760mmHg
Molecular Formula	C₁₂H₉NO₅	Melting Point	268-269ºC
MSDS	/	Flash Point	291.7ºC

Names

Name	4-Oxo-4-(3-oxo-3,4-dihydro-2H-1,4-benzoxazin-6-yl)-2-butenoic acid
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.432g/cm3
Boiling Point	558.6ºC at 760mmHg
Melting Point	268-269ºC
Molecular Formula	C₁₂H₉NO₅
Molecular Weight	247.20400
Flash Point	291.7ºC
Exact Mass	247.04800
PSA	92.70000
LogP	0.97900
Vapour Pressure	2.58E-13mmHg at 25°C
InChIKey	PKUSHMFPTILMCD-DUXPYHPUSA-N
SMILES	O=C(O)C=CC(=O)c1ccc2c(c1)NC(=O)CO2

Safety Information

HS Code	2934999090

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

4-oxo-4-(3-oxo-3,4-dihydro-2H-benzo[1,4]oxazin-6-yl)-but-2-enoic acid

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