The 1H-Pyrano[3,4-c]pyridin-1-one,5-ethenyl-3,4-dihydro-, with the CAS registry number 439-89-4, is also known as 4-(2-Hydroxyethyl)-5-vinylnicotinic acid γ-lactone. It belongs to the product category of Alkaloids. This chemical's molecular formula is C₁₀H₉NO₂ and molecular weight is 175.184. Its systematic name is called 5-ethenyl-3,4-dihydro-1H-pyrano[3,4-c]pyridin-1-one. This chemical's classification codes are Drug / Therapeutic Agent; Natural Product.

Physical properties of 1H-Pyrano[3,4-c]pyridin-1-one,5-ethenyl-3,4-dihydro-: (1)ACD/LogP: 1.73; (2)#Freely Rotating Bonds: 1; (3)Index of Refraction: 1.604; (4)Molar Refractivity: 49.17 cm³; (5)Molar Volume: 142.9 cm³; (6)Surface Tension: 50.4 dyne/cm; (7)Density: 1.225 g/cm³; (8)Flash Point: 187.6 °C; (9)Enthalpy of Vaporization: 63.55 kJ/mol; (10)Boiling Point: 386.5 °C at 760 mmHg; (11)Vapour Pressure: 3.52E-06 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C1OCCc2c(cncc12)\C=C
(2)InChI: InChI=1/C10H9NO2/c1-2-7-5-11-6-9-8(7)3-4-13-10(9)12/h2,5-6H,1,3-4H2
(3)InChIKey: DFNZYFAJQPLJFI-UHFFFAOYAD

The toxicity data is as follows: