Molecular formula
C18H16ClN3O2
168 compounds have this formula on CompoundList.
- Molar mass
- 341.79g/mol
- Monoisotopic mass
- 341.0931Da
- Atoms
- 40
- Elements
- 5
- Rings plus double bonds
- 12
The formula C18H16ClN3O2 describes a molecule made of 18 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 2 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1863.25%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 164.72%1.008 × 16 = 16.128 g/mol
- Cl Chlorine × 110.37%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 312.29%14.007 × 3 = 42.021 g/mol
- O Oxygen × 29.36%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H16ClN3O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 168 compounds
PQ-401
CAS 196868-63-0C18H16ClN3O2
5-Chloro-N-(2-methoxyphenyl)-3-methyl-1-phenylpyrazole-4-carboxamide
CAS 311809-90-2C18H16ClN3O2
N-(3-Chloro-4-methylphenyl)-3-(4-oxoquinazolin-3-yl)propanamide
CAS 823825-42-9C18H16ClN3O2
![2-[2-Amino-5-(4-chlorophenyl)-6-methylpyrimidin-4-yl]-5-methoxyphenol chemical structure, C18H16ClN3O2, CAS 877793-38-9](/s/HLVGEAXWIMPDJQ-UHFFFAOYSA-N.svg)
2-[2-Amino-5-(4-chlorophenyl)-6-methylpyrimidin-4-yl]-5-methoxyphenol
CAS 877793-38-9C18H16ClN3O2
![3-Chloro-N-[2-oxo-2-[(2E)-2-[(E)-3-phenylprop-2-enylidene]hydrazinyl]ethyl]benzamide chemical structure, C18H16ClN3O2, CAS 5468-09-7](/s/NARMOIRCVUVSGV-JPDQMXGXSA-N.svg)
3-Chloro-N-[2-oxo-2-[(2E)-2-[(E)-3-phenylprop-2-enylidene]hydrazinyl]ethyl]benzamide
CAS 5468-09-7C18H16ClN3O2
![3-[4-(4-Chlorophenyl)-1-oxophthalazin-2-yl]-N-methylpropanamide chemical structure, C18H16ClN3O2, CAS 694463-91-7](/s/VYHZCUDYCFGULE-UHFFFAOYSA-N.svg)
3-[4-(4-Chlorophenyl)-1-oxophthalazin-2-yl]-N-methylpropanamide
CAS 694463-91-7C18H16ClN3O2
5-Chloro-N-(4-methoxyphenyl)-3-methyl-1-phenylpyrazole-4-carboxamide
CAS 302560-93-6C18H16ClN3O2
5-Chloro-N-(3-methoxyphenyl)-3-methyl-1-phenylpyrazole-4-carboxamide
CAS 311809-85-5C18H16ClN3O2
![7-Chloro-4-[4-(2-furoyl)-1-piperazinyl]quinoline chemical structure, C18H16ClN3O2, CAS 337328-63-9](/s/LRSSKDPFCISNGI-UHFFFAOYSA-N.svg)
7-Chloro-4-[4-(2-furoyl)-1-piperazinyl]quinoline
CAS 337328-63-9C18H16ClN3O2
N-(1-Benzyl-1H-pyrazol-4-yl)-2-(2-chlorophenoxy)acetamide
CAS 514855-64-2C18H16ClN3O2
![2-[2-Amino-5-(4-chlorophenyl)pyrimidin-4-yl]-5-ethoxyphenol chemical structure, C18H16ClN3O2, CAS 850737-46-1](/s/STRUXRRMGXYREQ-UHFFFAOYSA-N.svg)
2-[2-Amino-5-(4-chlorophenyl)pyrimidin-4-yl]-5-ethoxyphenol
CAS 850737-46-1C18H16ClN3O2
![N-[4-Chloro-2-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-phenyl]-isobutyramide chemical structure, C18H16ClN3O2, CAS 878425-01-5](/s/SBIXOSOJKFGATH-UHFFFAOYSA-N.svg)
N-[4-Chloro-2-(3-oxo-3,4-dihydro-quinoxalin-2-yl)-phenyl]-isobutyramide
CAS 878425-01-5C18H16ClN3O2
![4-[(4-Chloroanilino)methylene]-5-ethoxy-2-phenyl-2,4-dihydro-3H-pyrazol-3-one chemical structure, C18H16ClN3O2, CAS 338750-93-9](/s/NSNDFNXNXOCOSX-UHFFFAOYSA-N.svg)
4-[(4-Chloroanilino)methylene]-5-ethoxy-2-phenyl-2,4-dihydro-3H-pyrazol-3-one
CAS 338750-93-9C18H16ClN3O2
N-(2-Chloro-4-methylphenyl)-4-methoxy-1-phenylpyrazole-3-carboxamide
CAS 879318-02-2C18H16ClN3O2
![Ethyl 3-(1-chloro-4-cyano-3-methylpyrido[1,2-a]benzimidazol-2-yl)propanoate chemical structure, C18H16ClN3O2, CAS 329709-13-9](/s/ATAZCTLDJCYJFD-UHFFFAOYSA-N.svg)
Ethyl 3-(1-chloro-4-cyano-3-methylpyrido[1,2-a]benzimidazol-2-yl)propanoate
CAS 329709-13-9C18H16ClN3O2
4-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide
CAS 56866-88-7C18H16ClN3O2
Ethyl 5-(2-(2-chlorophenyl)vinyl)-1H-benzimidazol-2-ylcarbamate
CAS 882865-00-1C18H16ClN3O2
N-(4-CL-PH)-2-(2-(2-Methyl-3-phenyl-2-propenylidene)hydrazino)-2-oxoacetamide
CAS 881403-00-5C18H16ClN3O2
N-(5-Chloro-2-methylphenyl)-3-(4-oxo-3(4H)-quinazolinyl)propanamide
CAS 878418-70-3C18H16ClN3O2
(E)-4-((5-Chloro-2-hydroxybenzylidene)amino)-1,5-dimethyl-2-phenyl-1H-pyrazol-3(2H)-one
CAS 149652-80-2C18H16ClN3O2
![N-(2-Chloro-4-methylphenyl)-2-[(2-methylquinazolin-4-yl)oxy]acetamide chemical structure, C18H16ClN3O2, CAS 1111038-38-0](/s/LWQHKGHQLRXRLW-UHFFFAOYSA-N.svg)
N-(2-Chloro-4-methylphenyl)-2-[(2-methylquinazolin-4-yl)oxy]acetamide
CAS 1111038-38-0C18H16ClN3O2
![N-[4-Chloro-3-(2-methylphenoxy)phenyl]-4-methoxypyrimidin-2-amine chemical structure, C18H16ClN3O2, CAS 915774-24-2](/s/MLEOIVVWHHWZRH-UHFFFAOYSA-N.svg)
N-[4-Chloro-3-(2-methylphenoxy)phenyl]-4-methoxypyrimidin-2-amine
CAS 915774-24-2C18H16ClN3O2
![N-[4-Chloro-3-(3-methylphenoxy)phenyl]-4-methoxypyrimidin-2-amine chemical structure, C18H16ClN3O2, CAS 915774-25-3](/s/GWOJBMAIXFKMGO-UHFFFAOYSA-N.svg)
N-[4-Chloro-3-(3-methylphenoxy)phenyl]-4-methoxypyrimidin-2-amine
CAS 915774-25-3C18H16ClN3O2
![N-[4-Chloro-3-(4-methylphenoxy)phenyl]-4-methoxypyrimidin-2-amine chemical structure, C18H16ClN3O2, CAS 915774-26-4](/s/MMPNTUVBNOZFPE-UHFFFAOYSA-N.svg)
N-[4-Chloro-3-(4-methylphenoxy)phenyl]-4-methoxypyrimidin-2-amine
CAS 915774-26-4C18H16ClN3O2
- N-(3-Chloro-2-methylphenyl)-3-(4-oxoquinazolin-3-yl)propanamide831242-55-8C18H16ClN3O2
- N-(5-Chloro-2-methylphenyl)-2-(3-methyl-4-oxophthalazin-1-yl)acetamide874585-00-9C18H16ClN3O2
- N-(3-Chloro-2-methylphenyl)-2-[(2-methylquinazolin-4-yl)oxy]acetamide1111149-25-7C18H16ClN3O2
- N-(5-Chloro-2-methylphenyl)-2-[(2-methylquinazolin-4-yl)oxy]acetamide1110979-64-0C18H16ClN3O2
- 1-Benzyl-3-(2-chlorophenyl)tetrahydropyrrolo[3,4-c]pyrazole-4,6(1H,5H)-dione1005122-24-6C18H16ClN3O2
- Ro 5-58072533-31-5C18H16ClN3O2
- RS-57067179382-91-3C18H16ClN3O2
- 1-Propanone, 2-(2-chlorophenyl)-2-hydroxy-1-(4-methylphenyl)-3-(1H-1,2,4-triazol-1-yl)-107658-76-4C18H16ClN3O2
- 6-((1-(2-Chlorobenzoyl)piperidin-4-yl)oxy)nicotinonitrile1428357-73-6C18H16ClN3O2
- 2-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide3985-30-6C18H16ClN3O2
- N-(4-Chlorophenyl)-6-methyl-2-oxo-4-phenyl-1,2,3,4-tetrahydropyrimidine-5-carboxamide330453-93-5C18H16ClN3O2
- 1-Benzyl-3-(4-chlorophenyl)tetrahydropyrrolo[3,4-c]pyrazole-4,6(2H,5H)-dione1005122-62-2C18H16ClN3O2
- (2E)-N-Benzyl-3-[(3-chloro-4-methoxyphenyl)amino]-2-cyanoprop-2-enamide881560-27-6C18H16ClN3O2
- 1-(4-Chlorobenzyl)-6-cyclopropyl-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid937598-70-4C18H16ClN3O2
- Benzyl 3-chloro-4-cyano-6,7-dihydro-5H-pyrido[3,4-c]azepine-8(9H)-carboxylate1341039-99-3C18H16ClN3O2
- N-[4-(Benzyloxy)phenyl]-4-chloro-1-methyl-1H-pyrazole-5-carboxamide489406-96-4C18H16ClN3O2
- 3-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)benzamide331638-43-8C18H16ClN3O2
- Benzamide, 4-[(4-chloro-1H-pyrazol-1-yl)methyl]-N-(2-methoxyphenyl)-514800-71-6C18H16ClN3O2
- N-(4-Chlorophenyl)-3-[3-(2-methylphenyl)-1,2,4-oxadiazol-5-yl]propanamide831200-01-2C18H16ClN3O2
- 4-(4-Chlorophenyl)-6-methyl-2-oxo-N-phenyl-3,4-dihydro-1H-pyrimidine-5-carboxamide419546-39-7C18H16ClN3O2
- N-[7-(4-Chlorophenyl)-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl]cyclopropanecarboxamide775292-98-3C18H16ClN3O2
- 1-(2-Chlorobenzyl)-6-cyclopropyl-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carboxylic acid937598-76-0C18H16ClN3O2
- N-(4-Chlorobenzyl)-3-(4-oxoquinazolin-3(4H)-yl)propanamide712338-49-3C18H16ClN3O2
- Ethyl 4-[(3-chlorophenyl)methylamino]quinazoline-2-carboxylate866155-32-0C18H16ClN3O2
- 2-Amino-4-(4-chlorophenyl)-6-ethyl-7-methyl-5-oxo-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile880794-93-4C18H16ClN3O2
- N-(4-Chlorophenyl)-1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxamide23681-61-0C18H16ClN3O2
- N-(3-Chlorophenyl)-3-[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]propanamide831198-39-1C18H16ClN3O2
- N-(1-Benzyl-1H-pyrazol-5-yl)-2-(4-chlorophenoxy)acetamide956513-89-6C18H16ClN3O2
- 4-Methyl-3-[(6-phenylpyrimidin-4-yl)amino]benzoic acid hydrochloride1055196-62-7C18H16ClN3O2
- N-(2-Chlorobenzyl)-6-cyclopropyl-3-methylisoxazolo[5,4-b]pyridine-4-carboxamide949754-01-2C18H16ClN3O2
- 4-Chloro-N-[2-(tetrahydrofuran-2-yl)-1H-benzimidazol-5-yl]benzamide1232799-98-2C18H16ClN3O2
- 3-Chloro-N-[1-(2-hydroxyethyl)-3-phenyl-1H-pyrazol-5-yl]benzamide1226456-56-9C18H16ClN3O2
- N-(2-((2-Chlorobenzyl)amino)-2-oxoethyl)-1H-indole-3-carboxamide1226447-16-0C18H16ClN3O2
- 2-{[(4-Chloro-6-methylpyrimidin-2-yl)amino]methylidene}-5-phenylcyclohexane-1,3-dione946387-26-4C18H16ClN3O2
- NS-417 free base160753-58-2C18H16ClN3O2
- (5-Chloro-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl N-phenylcarbamate318248-39-4C18H16ClN3O2
- N-[7-(3-Chlorophenyl)-5-oxo-5,6,7,8-tetrahydroquinazolin-2-yl]cyclopropanecarboxamide847569-71-5C18H16ClN3O2
- N-[[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl]-3,5-dimethylbenzamide898118-76-8C18H16ClN3O2
- 6-Chloro-1-ethyl-4-oxo-N-(pyridin-4-ylmethyl)quinoline-3-carboxamide1018167-71-9C18H16ClN3O2
- N-[4-(Acetylamino)phenyl]-2-(6-chloro-1H-indol-1-yl)acetamide1144494-98-3C18H16ClN3O2
- N-[4-(Acetylamino)phenyl]-2-(5-chloro-1H-indol-1-yl)acetamide1144452-56-1C18H16ClN3O2
- N-(3-Chlorophenyl)-2-[(2-ethylquinazolin-4-yl)oxy]acetamide1030126-02-3C18H16ClN3O2
- 3-Chloro-N-[2-(tetrahydrofuran-2-yl)-1H-benzimidazol-5-yl]benzamide1224166-58-8C18H16ClN3O2
- 2-Chloro-N-[2-(tetrahydrofuran-2-yl)-1H-benzimidazol-5-yl]benzamide1232803-91-6C18H16ClN3O2
- N-(2-Chlorophenyl)-2-[(2-ethylquinazolin-4-yl)oxy]acetamide1115933-39-5C18H16ClN3O2
- 2-(2-Chlorophenyl)-N-(2-((3-methyl-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide1448079-50-2C18H16ClN3O2
- N-[[3-(4-Chlorophenyl)-1,2,4-oxadiazol-5-yl]methyl]-2-(4-methylphenyl)acetamide891033-50-4C18H16ClN3O2
- 3-Chloro-N-methyl-N-((3-(p-tolyl)-1,2,4-oxadiazol-5-yl)methyl)benzamide896659-80-6C18H16ClN3O2
- 2-Chloro-4-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide891032-38-5C18H16ClN3O2
- 3-{[(4-Chlorobenzoyl)oxy]ethanimidoyl}-2,7-dimethylimidazo[1,2-a]pyridine478047-82-4C18H16ClN3O2
- 3-(Benzylamino)-1-(3-chloro-4-methoxyphenyl)-1,2-dihydropyrazin-2-one941887-63-4C18H16ClN3O2
- 3-(4-Chlorophenyl)-2-(methoxymethyl)-8,9-dihydropyrazolo[1,5-a]quinazolin-6(7H)-one925169-64-8C18H16ClN3O2
- N-{7-Chloro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl}-3,5-dimethylbenzamide920487-77-0C18H16ClN3O2
- N-(3-Chlorobenzyl)-6-cyclopropyl-3-methylisoxazolo[5,4-b]pyridine-4-carboxamide1007716-29-1C18H16ClN3O2
- N-(4-Chlorobenzyl)-6-cyclopropyl-3-methylisoxazolo[5,4-b]pyridine-4-carboxamide1179402-52-8C18H16ClN3O2
- N-[3-(Acetylamino)phenyl]-2-(6-chloro-1H-indol-1-yl)acetamide1144485-45-9C18H16ClN3O2
- N-[3-(Acetylamino)phenyl]-2-(4-chloro-1H-indol-1-yl)acetamide1144493-73-1C18H16ClN3O2
- 2-(4-Chlorophenyl)-N-(2,8-dimethyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)acetamide946234-21-5C18H16ClN3O2
- (E)-3-(2-Chlorophenyl)-N-((5-(furan-2-yl)-1-methyl-1H-pyrazol-3-yl)methyl)acrylamide1421586-58-4C18H16ClN3O2
- 6-[4-[(3-Chloro-2-pyridinyl)oxy]-2-methylphenyl]-1,5-dimethyl-2(1H)-pyrazinone1643462-36-5C18H16ClN3O2
- 5-(4-Chlorophenoxy)-1,3-dimethyl-N-phenyl-1H-pyrazole-4-carboxamide158712-63-1C18H16ClN3O2
- 5-(3-Chlorophenoxy)-1,3-dimethyl-N-phenyl-1H-pyrazole-4-carboxamide303997-92-4C18H16ClN3O2
- 2-(4-Chlorophenyl)-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide838866-22-1C18H16ClN3O2
- 2-(4-Chlorophenyl)-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]acetamide847239-32-1C18H16ClN3O2
- N'-(2-Chlorophenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide847592-08-9C18H16ClN3O2
- N'-(4-Chlorophenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide847593-01-5C18H16ClN3O2
- 5-[1-(4-Chlorophenoxy)ethyl]-N-phenyl-1H-pyrazole-1-carboxamide321999-01-3C18H16ClN3O2
- N'-(3-Chlorophenyl)-N-[2-(1H-indol-3-yl)ethyl]oxamide821803-76-3C18H16ClN3O2
- 4-Chloro-N-methyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide879579-66-5C18H16ClN3O2
- 2-Chloro-N-methyl-N-[[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]benzamide898118-96-2C18H16ClN3O2
- N-(2-Chloro-5-(2-methyl-4-oxoquinazolin-3(4H)-yl)phenyl)propionamide899969-21-2C18H16ClN3O2
- N-(2-{[(2-Chlorophenyl)carbonyl]amino}ethyl)-1H-indole-2-carboxamide951964-96-8C18H16ClN3O2
- N-(7-Chloro-2-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidin-3-yl)-2-(m-tolyl)acetamide951547-83-4C18H16ClN3O2
- N-[3-(Acetylamino)phenyl]-2-(5-chloro-1H-indol-1-yl)acetamide1144484-35-4C18H16ClN3O2
- N-[2-(2-Chlorophenoxy)phenyl]-1,5-dimethyl-1H-pyrazole-4-carboxamide1170572-64-1C18H16ClN3O2
- 3-Methylbenzyl 1-(4-chlorophenyl)-5-methyl-1H-1,2,3-triazole-4-carboxylate946214-40-0C18H16ClN3O2
Frequently asked questions
What is the molar mass of C18H16ClN3O2?
The molar mass of C18H16ClN3O2 is 341.79 g/mol, calculated from standard atomic weights for 18 carbon atoms, 16 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 341.0931 Da.
How many compounds have the formula C18H16ClN3O2?
CompoundList lists 168 compounds with the molecular formula C18H16ClN3O2, including PQ-401, 5-Chloro-N-(2-methoxyphenyl)-3-methyl-1-phenylpyrazole-4-carboxamide, N-(3-Chloro-4-methylphenyl)-3-(4-oxoquinazolin-3-yl)propanamide. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C18H16ClN3O2?
C18H16ClN3O2 has a degree of unsaturation of 12. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.