Hydrogen + Oxygen Compounds (H + O)
Found 868,775 compounds containing Hydrogen + Oxygen. Page 1004 of 17376.
H
Hydrogen
Lightest element, forms water with oxygen
O
Oxygen
Essential for respiration
| Formula | IUPAC Name | Common Name | Mol. Weight |
|---|---|---|---|
| C21H14ClN3O | 3-(2-chlorophenyl)-2-[2-(3-pyridyl)vinyl]quinazolin-4-one | 3-(2-chlorophenyl)-2-[2-(3-pyridyl)vinyl]quinazolin-4-one | 359.80 |
| C22H24ClN3O | 3-(3-chloro-2-methyl-phenyl)-2-[2-(1-piperidyl)ethyl]quinazolin-4-one | B 186 | 381.90 |
| C18H18N2O | 2-methyl-3-(1-methyl-2-phenyl-ethyl)quinazolin-4-one | 4(3H)-Quinazolinone, 2-methyl-3-(3-phenylisopropyl)- | 278.30 |
| C19H20N2O | 2-methyl-3-(1-methyl-3-phenyl-propyl)quinazolin-4-one | 1915-04-4 | 292.40 |
| C15H12BrClN2O | 3-(4-bromophenyl)-2-methyl-quinazolin-4-one;hydrochloride | 1943-27-7 | 351.62 |
| C15H11BrN2O | 3-(4-bromophenyl)-2-methyl-quinazolin-4-one | 3-(4-bromophenyl)-2-methyl-3,4-dihydroquinazolin-4-one | 315.16 |
| C15H12N2O | 2-methyl-3-phenyl-quinazolin-4-one | 2385-23-1 | 236.27 |
| C16H14Cl2N2O2 | 3-(3-chloro-4-methoxy-phenyl)-2-methyl-quinazolin-4-one;hydrochloride | CHI 15 | 337.20 |
| C16H13ClN2O2 | 3-(3-chloro-4-methoxy-phenyl)-2-methyl-quinazolin-4-one | 3-(3-chloro-4-methoxy-phenyl)-2-methyl-quinazolin-4-one | 300.74 |
| C17H17ClN2O | 3-(2,4-dimethylphenyl)-2-methyl-quinazolin-4-one;hydrochloride | Methylmethaqualone hydrochloride | 300.80 |
| C17H16N2O | 3-(2,4-dimethylphenyl)-2-methyl-quinazolin-4-one | 3-(2,4-dimethylphenyl)-2-methylquinazolin-4(3h)-one | 264.32 |
| C19H15ClN2O | 2-methyl-3-(2-naphthyl)quinazolin-4-one;hydrochloride | 3445-50-9 | 322.80 |
| C19H14N2O | 2-methyl-3-(2-naphthyl)quinazolin-4-one | 2-methyl-3-(naphthalen-2-yl)quinazolin-4(3H)-one | 286.30 |
| C10H10N2O | 3-ethylquinazolin-4-one | 4(3H)-Quinazolinone, 3-ethyl- | 174.20 |
| C16H12Cl2N2O | 5-chloro-3-(4-chloro-2-methyl-phenyl)-2-methyl-quinazolin-4-one | 3476-88-8 | 319.20 |
| C18H21Cl2N3O | 2-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-2,3-dihydroquinazolin-4-one;hydrochloride | HPT 856 | 366.30 |
| C18H20ClN3O | 2-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-2,3-dihydroquinazolin-4-one | 2-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-2,3-dihydroquinazolin-4-one | 329.80 |
| C18H22ClN3O | 1-[2-(dimethylamino)ethyl]-2-phenyl-2,3-dihydroquinazolin-4-one;hydrochloride | HPT 749 | 331.80 |
| C18H21N3O | 1-[2-(dimethylamino)ethyl]-2-phenyl-2,3-dihydroquinazolin-4-one | 1-[2-(dimethylamino)ethyl]-2-phenyl-2,3-dihydroquinazolin-4-one | 295.40 |
| C18H20Cl3N3O | 7-chloro-2-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-2,3-dihydroquinazolin-4-one;hydrochloride | HPT 862 | 400.70 |
| C18H19Cl2N3O | 7-chloro-2-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-2,3-dihydroquinazolin-4-one | 7-chloro-2-(4-chlorophenyl)-1-[2-(dimethylamino)ethyl]-2,3-dihydroquinazolin-4-one | 364.30 |
| C25H27ClN4O5S | but-2-enedioic acid;3-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-2-sulfanyl-quinazolin-4-one | but-2-enedioic acid;3-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-2-sulfanyl-quinazolin-4-one | 531.00 |
| C21H23ClN4OS | 3-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-2-sulfanyl-quinazolin-4-one | 3-[3-[4-(3-chlorophenyl)piperazin-1-yl]propyl]-2-sulfanyl-quinazolin-4-one | 415.00 |
| C17H16N2O | 3-(2,5-dimethylphenyl)-2-methyl-quinazolin-4-one | 10367-31-4 | 264.32 |
| C11H11N3O2 | ethyl N-(4-oxoquinazolin-3-yl)methanimidate | ethyl N-(4-oxoquinazolin-3-yl)methanimidate | 217.22 |
| C13H16N2O | 3-pentylquinazolin-4-one | 4(3H)-Quinazolinone, 3-pentyl- | 216.28 |
| C12H14N2O | 3-butylquinazolin-4-one | 3-Butyl-4(3H)-quinazolinone | 202.25 |
| C19H20N4O | 2-[(4-phenylpiperazin-1-yl)methyl]-1H-quinazolin-4-one | 2-[(4-phenylpiperazin-1-yl)methyl]-1H-quinazolin-4-one | 320.40 |
| C19H19N3O2 | 2-(morpholinomethyl)-3-phenyl-quinazolin-4-one | BRN 1225482 | 321.40 |
| C20H22ClN3O3 | 1-(2-morpholinoacetyl)-3-phenyl-2H-quinazolin-4-one;hydrochloride | Moquizone hydrochloride | 387.90 |
| C21H24ClN3O3 | 1-(2-morpholinoacetyl)-3-(p-tolyl)-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-1-(morpholinoacetyl)-3-(p-tolyl)-, hydrochloride | 401.90 |
| C21H23N3O3 | 1-(2-morpholinoacetyl)-3-(p-tolyl)-2H-quinazolin-4-one | 1-(2-morpholinoacetyl)-3-(p-tolyl)-2H-quinazolin-4-one | 365.40 |
| C20H21Cl2N3O3 | 3-(3-chlorophenyl)-1-(2-morpholinoacetyl)-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-3-(m-chlorophenyl)-1-(morpholinoacetyl)-, hydrochloride | 422.30 |
| C20H20ClN3O3 | 3-(3-chlorophenyl)-1-(2-morpholinoacetyl)-2H-quinazolin-4-one | 3-(3-chlorophenyl)-1-(2-morpholinoacetyl)-2H-quinazolin-4-one | 385.80 |
| C22H26ClN3O3 | 1-(3-morpholinopropanoyl)-3-(p-tolyl)-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-1-(3-morpholinopropionyl)-3-(p-tolyl)-, hydrochloride | 415.90 |
| C22H25N3O3 | 1-(3-morpholinopropanoyl)-3-(p-tolyl)-2H-quinazolin-4-one | 1-(3-morpholinopropanoyl)-3-(p-tolyl)-2H-quinazolin-4-one | 379.50 |
| C21H24ClN3O2 | 3-phenyl-1-[2-(1-piperidyl)acetyl]-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-3-phenyl-1-(piperidinoacetyl)-, hydrochloride | 385.90 |
| C21H23N3O2 | 3-phenyl-1-[2-(1-piperidyl)acetyl]-2H-quinazolin-4-one | 3-phenyl-1-[2-(1-piperidyl)acetyl]-2H-quinazolin-4-one | 349.40 |
| C22H26ClN3O2 | 1-[2-(1-piperidyl)acetyl]-3-(p-tolyl)-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-1-(piperidinoacetyl)-3-(p-tolyl)-, hydrochloride | 399.90 |
| C22H25N3O2 | 1-[2-(1-piperidyl)acetyl]-3-(p-tolyl)-2H-quinazolin-4-one | 1-[2-(1-piperidyl)acetyl]-3-(p-tolyl)-2H-quinazolin-4-one | 363.50 |
| C22H26ClN3O3 | 3-(4-methoxyphenyl)-1-[2-(1-piperidyl)acetyl]-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-3-(p-methoxyphenyl)-1-(piperidinoacetyl)-, hydrochloride | 415.90 |
| C22H25N3O3 | 3-(4-methoxyphenyl)-1-[2-(1-piperidyl)acetyl]-2H-quinazolin-4-one | 3-(4-methoxyphenyl)-1-[2-(1-piperidyl)acetyl]-2H-quinazolin-4-one | 379.50 |
| C22H26ClN3O2 | 3-phenyl-1-[3-(1-piperidyl)propanoyl]-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-3-phenyl-1-(3-piperidinopropionyl)-, hydrochloride | 399.90 |
| C22H25N3O2 | 3-phenyl-1-[3-(1-piperidyl)propanoyl]-2H-quinazolin-4-one | 3-phenyl-1-[3-(1-piperidyl)propanoyl]-2H-quinazolin-4-one | 363.50 |
| C23H28ClN3O2 | 1-[3-(1-piperidyl)propanoyl]-3-(p-tolyl)-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-1-(3-piperidinopropionyl)-3-(p-tolyl)-, hydrochloride | 413.90 |
| C23H27N3O2 | 1-[3-(1-piperidyl)propanoyl]-3-(p-tolyl)-2H-quinazolin-4-one | 1-[3-(1-piperidyl)propanoyl]-3-(p-tolyl)-2H-quinazolin-4-one | 377.50 |
| C18H20ClN3O2 | 1-[2-(dimethylamino)acetyl]-3-phenyl-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-1-(dimethylaminoacetyl)-3-phenyl-, hydrochloride | 345.80 |
| C18H19N3O2 | 1-[2-(dimethylamino)acetyl]-3-phenyl-2H-quinazolin-4-one | 1-[2-(dimethylamino)acetyl]-3-phenyl-2H-quinazolin-4-one | 309.40 |
| C19H22ClN3O2 | 1-[2-(dimethylamino)acetyl]-3-(p-tolyl)-2H-quinazolin-4-one;hydrochloride | 4(1H)-Quinazolinone, 2,3-dihydro-1-(dimethylaminoacetyl)-3-(p-tolyl)-, hydrochloride | 359.80 |
| C19H21N3O2 | 1-[2-(dimethylamino)acetyl]-3-(p-tolyl)-2H-quinazolin-4-one | 1-[2-(dimethylamino)acetyl]-3-(p-tolyl)-2H-quinazolin-4-one | 323.40 |