3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid

Modify Date: 2024-01-03 00:25:30

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid Structure
3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid structure
Common Name 3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid
CAS Number 134997-87-8 Molecular Weight 193.156
Density 1.5±0.1 g/cm3 Boiling Point 471.4±45.0 °C at 760 mmHg
Molecular Formula C9H7NO4 Melting Point 310-314℃
MSDS N/A Flash Point 238.9±28.7 °C

 Names

Name 3-Oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carboxylic acid
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 471.4±45.0 °C at 760 mmHg
Melting Point 310-314℃
Molecular Formula C9H7NO4
Molecular Weight 193.156
Flash Point 238.9±28.7 °C
Exact Mass 193.037506
PSA 75.63000
LogP 0.87
Vapour Pressure 0.0±1.2 mmHg at 25°C
Index of Refraction 1.609

 Safety Information

Hazard Codes Xn
HS Code 2934999090

 Synthetic Route

~92%

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid Structure

3-Oxo-3,4-dihyd...

CAS#:134997-87-8

Literature: Goodman, Krista B.; Neeb, Michael J.; Sehon, Clark A.; Viet, Andrew Q.; Wang, Gren Z. Patent: US2008/21023 A1, 2008 ; Location in patent: Page/Page column 122-123 ; US 20080021023 A1

~%

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid Structure

3-Oxo-3,4-dihyd...

CAS#:134997-87-8

Literature: Justus Liebigs Annalen der Chemie, , vol. 311, p. 168

~73%

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid Structure

3-Oxo-3,4-dihyd...

CAS#:134997-87-8

Literature: TAKEDA CHEMICAL INDUSTRIES, LTD. Patent: WO2004/46107 A1, 2004 ; Location in patent: Page 209-210 ; WO 2004/046107 A1

~%

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid Structure

3-Oxo-3,4-dihyd...

CAS#:134997-87-8

Literature: Journal of the American Chemical Society, , vol. 48, p. 464

~%

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid Structure

3-Oxo-3,4-dihyd...

CAS#:134997-87-8

Literature: Justus Liebigs Annalen der Chemie, , vol. 311, p. 168

~%

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid Structure

3-Oxo-3,4-dihyd...

CAS#:134997-87-8

Literature: Justus Liebigs Annalen der Chemie, , vol. 311, p. 168

 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

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid
3-oxo-4H-1,4-benzoxazine-6-carboxylic acid
2H-1,4-Benzoxazine-6-carboxylic acid, 3,4-dihydro-3-oxo-
3-Oxo-3,4-dihydro-2H-benzo[1,4]oxazine-6-carboxylic acid
Top Suppliers:I want be here



Get all suppliers and price by the below link:

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid suppliers

3-Oxo-3,4-dihydro-2H-1,4-benzoxazine-6-carboxylic acid price