Hydrogen + Oxygen Compounds (H + O)
Found 868,775 compounds containing Hydrogen + Oxygen. Page 1003 of 17376.
H
Hydrogen
Lightest element, forms water with oxygen
O
Oxygen
Essential for respiration
| Formula | IUPAC Name | Common Name | Mol. Weight |
|---|---|---|---|
| C21H18N4O3 | 3-[4-[(4-methoxyphenyl)methylene]-2-methyl-5-oxo-imidazol-1-yl]-2-methyl-quinazolin-4-one | 3-[4-[(4-methoxyphenyl)methylene]-2-methyl-5-oxo-imidazol-1-yl]-2-methyl-quinazolin-4-one | 374.40 |
| C21H17IN4O2 | 3-(4-benzylidene-2-methyl-5-oxo-imidazol-1-yl)-2-ethyl-6-iodo-quinazolin-4-one | 3-(4-benzylidene-2-methyl-5-oxo-imidazol-1-yl)-2-ethyl-6-iodo-quinazolin-4-one | 484.30 |
| C26H31ClN4O2S | 2-[1-[(2-oxopyrrolidin-1-yl)methyl]-2-(1-piperidyl)ethyl]sulfanyl-3-phenyl-quinazolin-4-one;hydrochloride | 117038-99-0 | 499.10 |
| C26H30N4O2S | 2-[1-[(2-oxopyrrolidin-1-yl)methyl]-2-(1-piperidyl)ethyl]sulfanyl-3-phenyl-quinazolin-4-one | STK701144 | 462.60 |
| C18H17ClFN3OS | 7-chloro-2-[2-(dimethylamino)ethylsulfanyl]-3-(3-fluorophenyl)quinazolin-4-one | 4(3H)-Quinazolinone, 7-chloro-2-((2-(dimethylamino)ethyl)thio)-3-(3-fluorophenyl)- | 377.90 |
| C21H22N2O2 | 3-[3-(4-isobutylphenyl)-3-oxo-propyl]quinazolin-4-one | BRN 5349883 | 334.40 |
| C23H16F2N2O2 | 3-[3-[4-(2,4-difluorophenyl)phenyl]-3-oxo-propyl]quinazolin-4-one | 134563-15-8 | 390.40 |
| C19H20ClN3OS | 3-(5-chloro-2-methyl-phenyl)-2-[2-(dimethylamino)ethylsulfanyl]quinazolin-4-one | 4(3H)-Quinazolinone, 3-(5-chloro-2-methylphenyl)-2-((2-(dimethylamino)ethyl)thio)- | 373.90 |
| C10H12ClN3O3 | 4-amino-6,7-dimethoxy-1H-quinazolin-2-one;hydrochloride | 134749-43-2 | 257.67 |
| C10H11N3O3 | 4-amino-6,7-dimethoxy-1H-quinazolin-2-one | Doxazosin Impurity 19 | 221.21 |
| C20H17Br2N5O2S2 | 3-[5-(3-anilino-2-hydroxy-propyl)sulfanyl-1,3,4-thiadiazol-2-yl]-6,8-dibromo-2-methyl-quinazolin-4-one | BRN 4340044 | 583.30 |
| C23H20N2O2 | 3-[3-(4-phenylphenoxy)propyl]quinazolin-4-one | 138841-16-4 | 356.40 |
| C27H24ClN3O2 | 2-[2-(5-chloro-1H-indol-3-yl)ethyl]-3-(3-isopropoxyphenyl)quinazolin-4-one | 139543-40-1 | 457.90 |
| C12H8ClN3O2 | 7-chloro-3-(3-methylisoxazol-5-yl)quinazolin-4-one | BRN 5344653 | 261.66 |
| C12H8ClN3O2 | 6-chloro-3-(3-methylisoxazol-5-yl)quinazolin-4-one | BRN 5345203 | 261.66 |
| C14H13N3O2 | 2,6-dimethyl-3-(3-methylisoxazol-5-yl)quinazolin-4-one | BRN 5345925 | 255.27 |
| C14H10N2O2 | 2-(2-hydroxyphenyl)-1H-quinazolin-4-one | 2-(2-hydroxyphenyl)-1H-quinazolin-4-one | 238.24 |
| C16H12Cl2N2O | 3-(2,6-dichlorophenyl)-2-ethyl-quinazolin-4-one | Cloroqualone | 319.20 |
| C16H13N3O4 | 3-(2-methoxy-4-nitro-phenyl)-2-methyl-quinazolin-4-one | Nitromethaqualone | 311.29 |
| C15H11ClN2O | 3-(4-chlorophenyl)-2-methyl-quinazolin-4-one | 1788-93-8 | 270.71 |
| C16H12N2O | 2-styryl-1H-quinazolin-4-one | 2-styryl-1H-quinazolin-4-one | 248.28 |
| C9H7ClN2O | 6-chloro-2-methyl-1H-quinazolin-4-one | 6-chloro-2-methyl-1H-quinazolin-4-one | 194.62 |
| C47H53ClN4O12 | bis(but-2-enedioic acid);2-[2-[2-[4-[(4-chlorophenyl)-phenyl-methyl]piperazin-1-yl]ethoxy]ethoxy]ethanol;2-methyl-3-(o-tolyl)quinazolin-4-one | bis(but-2-enedioic acid);2-[2-[2-[4-[(4-chlorophenyl)-phenyl-methyl]piperazin-1-yl]ethoxy]ethoxy]ethanol;2-methyl-3-(o-tolyl)quinazolin-4-one | 901.40 |
| C23H31ClN2O3 | 2-[2-[2-[4-[(4-chlorophenyl)-phenyl-methyl]piperazin-1-yl]ethoxy]ethoxy]ethanol | Etodroxizine | 419.00 |
| C18H14N4O2S | 2-(2-methyl-4-oxo-quinazolin-3-yl)imino-3-phenyl-thiazolidin-4-one | 2-(2-methyl-4-oxoquinazolin-3-yl)imino-3-phenyl-1,3-thiazolidin-4-one | 350.40 |
| C13H9N3O2 | 2-(3-hydroxy-2-pyridyl)-1H-quinazolin-4-one | 2-(3-hydroxy-2-pyridyl)-1H-quinazolin-4-one | 239.23 |
| C18H15N5O3 | 2-amino-6-[(4-nitro-N-prop-2-ynyl-anilino)methyl]-1H-quinazolin-4-one | 2-amino-6-[(4-nitro-N-prop-2-ynyl-anilino)methyl]-1H-quinazolin-4-one | 349.30 |
| C16H14N2O2 | 2-methyl-3-(o-tolyl)-1-oxido-quinazolin-1-ium-4-one | MQNO | 266.29 |
| C17H13F3N2O2 | 6-methoxy-4-phenyl-1-(2,2,2-trifluoroethyl)quinazolin-2-one | Moptfeq | 334.29 |
| C22H24IN3O | 2-(azepan-1-ylmethyl)-6-iodo-3-(o-tolyl)quinazolin-4-one | 80930-91-2 | 473.30 |
| C14H7Cl3N2O2 | 6-chloro-2-(3,5-dichloro-2-hydroxy-phenyl)-1H-quinazolin-4-one | 6-chloro-2-(3,5-dichloro-2-hydroxy-phenyl)-1H-quinazolin-4-one | 341.60 |
| C21H19N3O3 | 2-[7-(diethylamino)-2-oxo-chromen-3-yl]-1H-quinazolin-4-one | 2-[7-(diethylamino)-2-oxo-chromen-3-yl]-1H-quinazolin-4-one | 361.40 |
| C16H14Cl2N2O | 3-(3-chloro-2-methyl-phenyl)-2-methyl-quinazolin-4-one;hydrochloride | CHI 13 | 321.20 |
| C16H14ClN3O3 | 2-methyl-3-(2-methyl-4-nitro-phenyl)quinazolin-4-one;hydrochloride | CHI 21 | 331.75 |
| C16H13N3O3 | 2-methyl-3-(2-methyl-4-nitro-phenyl)quinazolin-4-one | Oprea1_784924 | 295.29 |
| C16H13ClN2O | 7-chloro-2-methyl-3-(o-tolyl)quinazolin-4-one | B 182 | 284.74 |
| C16H15N3O | 6-amino-2-methyl-3-(o-tolyl)quinazolin-4-one | 6-Aminomethaqualone | 265.31 |
| C17H21ClN4O | 1-[2-(dimethylamino)ethyl]-2-(2-pyridyl)-2,3-dihydroquinazolin-4-one;hydrochloride | HPT 909-hydrochlorid [German] | 332.80 |
| C16H13FN2O | 3-(4-fluoro-2-methyl-phenyl)-2-methyl-quinazolin-4-one | 4(3H)-Quinazolinone, 3-(4-fluoro-2-methylphenyl)-2-methyl- | 268.28 |
| C18H16Cl4N2O2 | 3-(o-tolyl)-2-(3,3,3-trichloro-2-hydroxy-propyl)quinazolin-4-one;hydrochloride | 1772-87-8 | 434.10 |
| C18H15Cl3N2O2 | 3-(o-tolyl)-2-(3,3,3-trichloro-2-hydroxy-propyl)quinazolin-4-one | 3-(o-tolyl)-2-(3,3,3-trichloro-2-hydroxy-propyl)quinazolin-4-one | 397.70 |
| C15H12ClN3O3 | 2-methyl-3-(2-nitrophenyl)quinazolin-4-one;hydrochloride | B 135 | 317.72 |
| C15H11N3O3 | 2-methyl-3-(2-nitrophenyl)quinazolin-4-one | 2-METHYL-3-(2-NITROPHENYL)QUINAZOLINE-4(3H)-ONE | 281.27 |
| C15H13ClN2O2 | 3-(2-hydroxyphenyl)-2-methyl-quinazolin-4-one;hydrochloride | B 149 | 288.73 |
| C15H12N2O2 | 3-(2-hydroxyphenyl)-2-methyl-quinazolin-4-one | 3-(2-hydroxyphenyl)-2-methylquinazolin-4(3H)-one | 252.27 |
| C15H11FN2O | 3-(4-fluorophenyl)-2-methyl-quinazolin-4-one | 1897-80-9 | 254.26 |
| C16H13FN2O | 3-(3-fluoro-2-methyl-phenyl)-2-methyl-quinazolin-4-one | 4(3H)-Quinazolinone, 3-(3-fluoro-2-methylphenyl)-2-methyl- | 268.28 |
| C16H13BrN2O | 3-(3-bromo-2-methyl-phenyl)-2-methyl-quinazolin-4-one | 4(3H)-Quinazolinone, 3-(3-bromo-2-methylphenyl)-2-methyl- | 329.19 |
| C16H13IN2O | 3-(3-iodo-2-methyl-phenyl)-2-methyl-quinazolin-4-one | 4(3H)-Quinazolinone, 3-(3-iodo-2-methylphenyl)-2-methyl- | 376.19 |
| C15H11FN2O | 3-(2-fluorophenyl)-2-methyl-quinazolin-4-one | 1897-87-6 | 254.26 |