3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine

Modify Date: 2024-08-12 20:10:32

3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine Structure
3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine structure
Common Name 3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine
CAS Number 20348-23-6 Molecular Weight 136.151
Density 1.2±0.1 g/cm3 Boiling Point 285.7±29.0 °C at 760 mmHg
Molecular Formula C7H8N2O Melting Point 85ºC
MSDS N/A Flash Point 126.6±24.3 °C

 Names

Name 3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 285.7±29.0 °C at 760 mmHg
Melting Point 85ºC
Molecular Formula C7H8N2O
Molecular Weight 136.151
Flash Point 126.6±24.3 °C
Exact Mass 136.063660
PSA 34.15000
LogP 1.55
Vapour Pressure 0.0±0.6 mmHg at 25°C
Index of Refraction 1.545

 Safety Information

HS Code 2934999090

 Synthetic Route

~87%

3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine Structure

3,4-Dihydro-2H-...

CAS#:20348-23-6

Literature: WO2007/53131 A2, ; Page/Page column 133 ; WO 2007/053131 A2

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3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine Structure

3,4-Dihydro-2H-...

CAS#:20348-23-6

Literature: Acta Chemica Scandinavica (1947-1973), , vol. 23, p. 2322 - 2324

 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

3,4-Dihydro-2H-pyrido<3,2-b>-1,4-oxazin
3,4-Dihydro-2H-1-oxa-4,5-diaza-naphthalene
2H-PYRIDO[3,2-B]-1,4-OXAZINE,3,4-DIHYDRO
3,4-Dihydro-2H-pyrido[3,2-b]-1,4-oxazine
3,4-Dihydro-dimethyl-2H-pyrido<3,2-b>-1,4-oxazin
dihydropyridoboxazine
2H,3H,4H-pyrido[3,2-b][1,4]oxazine
3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine
2H-Pyrido[3,2-b]-1,4-oxazine, 3,4-dihydro-
3,4-dihydro-2-pyrido[3,2-b][1,4]oxazoline