ChemNet > CAS > 519-37-9 B-hydroxyethyltheophylline

519-37-9 B-hydroxyethyltheophylline

product Name	B-hydroxyethyltheophylline
CAS No	519-37-9
Synonyms	7-(a-Hydroxyethyl)theophylline; etofylline; Etophylline; 7-(2-hydroxyethyl)-1,3-dimethyl-3,7-dihydro-1H-purine-2,6-dione
Molecular Formula	C₉H₁₂N₄O₃
Molecular Weight	224.2166
InChI	InChI=1/C9H12N4O3/c1-11-7-6(8(15)12(2)9(11)16)13(3-4-14)5-10-7/h5,14H,3-4H2,1-2H3
EINECS	208-269-8
Molecular Structure
Density	1.51g/cm³
Boiling point	495.5°C at 760 mmHg
Refractive index	1.683
Flash point	253.5°C
Vapour Pressur	1.23E-10mmHg at 25°C
Hazard Symbols
Risk Codes
Safety Description

潘金莲被吸乳揉到高潮的视频,久久99久久99精品免观看,在电影院里拨开内裤挺进,护士交换粗吟配乱大交动态图