Molecular formula
C18H19N5O2
415 compounds have this formula on CompoundList.
- Molar mass
- 337.38g/mol
- Monoisotopic mass
- 345.2041Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 12
The formula C18H19N5O2 describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 5 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 × 1864.08%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.68%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 520.76%14.007 × 5 = 70.035 g/mol
- O Oxygen × 29.48%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H19N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 415 compounds
Aficamten
CAS 2364554-48-1C18H19N5O2
![N-Allyl-2-imino-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide chemical structure, C18H19N5O2, CAS 371209-62-0](/s/KXGCKSDADYPZNY-UHFFFAOYSA-N.svg)
N-Allyl-2-imino-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide
CAS 371209-62-0C18H19N5O2
![1-Allyl-N-ethyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide chemical structure, C18H19N5O2, CAS 500270-53-1](/s/HJTQAHLZCKBAEB-UHFFFAOYSA-N.svg)
1-Allyl-N-ethyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide
CAS 500270-53-1C18H19N5O2
![N-Allyl-1-ethyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide chemical structure, C18H19N5O2, CAS 488131-28-8](/s/JSZWBUBKWOQBIZ-UHFFFAOYSA-N.svg)
N-Allyl-1-ethyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide
CAS 488131-28-8C18H19N5O2
![8-(1-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1,4-dioxa-8-azaspiro[4.5]decane chemical structure, C18H19N5O2, CAS 393820-30-9](/s/DSLAXKZREUZXHK-UHFFFAOYSA-N.svg)
8-(1-Phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)-1,4-dioxa-8-azaspiro[4.5]decane
CAS 393820-30-9C18H19N5O2
![6-[(4-Methoxyphenoxy)methyl]-N-(4-methylphenyl)-1,3,5-triazine-2,4-diamine chemical structure, C18H19N5O2, CAS 644959-79-5](/s/KHMUPPCKLDUCFE-UHFFFAOYSA-N.svg)
6-[(4-Methoxyphenoxy)methyl]-N-(4-methylphenyl)-1,3,5-triazine-2,4-diamine
CAS 644959-79-5C18H19N5O2
![5-Methyl-4-[(1-methylindol-3-yl)-(3-methyl-5-oxo-1,2-dihydropyrazol-4-yl)methyl]-1,2-dihydropyrazol-3-one chemical structure, C18H19N5O2, CAS 956949-77-2](/s/IUFPWGGGLWBBGI-UHFFFAOYSA-N.svg)
5-Methyl-4-[(1-methylindol-3-yl)-(3-methyl-5-oxo-1,2-dihydropyrazol-4-yl)methyl]-1,2-dihydropyrazol-3-one
CAS 956949-77-2C18H19N5O2
5-Amino-N-(3-methoxyphenyl)-1-phenethyl-triazole-4-carboxamide
CAS 909856-88-8C18H19N5O2
3-(Benzyloxy)-N-(2-propyl-2H-tetrazol-5-yl)benzamide
CAS 638145-97-8C18H19N5O2
3-(1H-1,2,3-Benzotriazol-1-yl)-N'-(4-ethoxybenzylidene)propanohydrazide
CAS 393849-66-6C18H19N5O2
![N-Cyclopentyl-2-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide chemical structure, C18H19N5O2, CAS 852440-23-4](/s/PCZPVBBGLUHTGA-UHFFFAOYSA-N.svg)
N-Cyclopentyl-2-(4-oxo-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)acetamide
CAS 852440-23-4C18H19N5O2
![2-[(6-Ethoxy-4-methylquinazolin-2-yl)amino]-1,5,6,7-tetrahydro-4H-cyclopenta[d]pyrimidin-4-one chemical structure, C18H19N5O2, CAS 488708-91-4](/s/PPJNOGXJWIRDCZ-UHFFFAOYSA-N.svg)
2-[(6-Ethoxy-4-methylquinazolin-2-yl)amino]-1,5,6,7-tetrahydro-4H-cyclopenta[d]pyrimidin-4-one
CAS 488708-91-4C18H19N5O2
3-(1H-1,2,3-Benzotriazol-1-yl)-N'-(2-ethoxybenzylidene)propanohydrazide
CAS 478305-59-8C18H19N5O2
![N-Methyl-2-[2-[1-(4-nitrophenyl)triazol-4-yl]propan-2-yl]aniline chemical structure, C18H19N5O2, CAS 303786-54-1](/s/BYHJRVCGDHLHMY-UHFFFAOYSA-N.svg)
N-Methyl-2-[2-[1-(4-nitrophenyl)triazol-4-yl]propan-2-yl]aniline
CAS 303786-54-1C18H19N5O2
1H-Imidazo(2,1-f)purine-2,4(3H,8H)-dione, 8-butyl-1-methyl-7-phenyl-
CAS 85592-05-8C18H19N5O2
N'-(2-Ethoxybenzylidene)-3-(1-ME-1H-pyrrol-2-yl)-1H-pyrazole-5-carbohydrazide
CAS 402514-88-9C18H19N5O2
![Benzyl (S)-2-(8-aminoimidazo[1,5-A]pyrazin-3-yl)pyrrolidine-1-carboxylate chemical structure, C18H19N5O2, CAS 2170801-87-1](/s/WJIKKVMDANXFJV-AWEZNQCLSA-N.svg)
Benzyl (S)-2-(8-aminoimidazo[1,5-A]pyrazin-3-yl)pyrrolidine-1-carboxylate
CAS 2170801-87-1C18H19N5O2
3-(1H-1,2,3-Benzotriazol-1-yl)-N'-(1-(4-meo-PH)ethylidene)propanohydrazide
CAS 478515-63-8C18H19N5O2
Cambridge id 6000330
CAS 308290-37-1C18H19N5O2
![3-{[4-(2-Methoxyphenyl)-1-piperazinyl]carbonyl}pyrazolo[1,5-a]pyrimidine chemical structure, C18H19N5O2, CAS 361470-09-9](/s/WTPUHJGRHJWNSZ-UHFFFAOYSA-N.svg)
3-{[4-(2-Methoxyphenyl)-1-piperazinyl]carbonyl}pyrazolo[1,5-a]pyrimidine
CAS 361470-09-9C18H19N5O2
![N-[5-(4-Methoxybenzyl)-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl]-1,3-benzoxazol-2-amine chemical structure, C18H19N5O2, CAS 810627-94-2](/s/PLYWKABCWLWGIM-UHFFFAOYSA-N.svg)
N-[5-(4-Methoxybenzyl)-1,4,5,6-tetrahydro-1,3,5-triazin-2-yl]-1,3-benzoxazol-2-amine
CAS 810627-94-2C18H19N5O2
CP 124439
CAS 156499-23-9C18H19N5O2
![2,4-Dimethyl-7-phenyl-6-propylpurino[7,8-a]imidazole-1,3-dione chemical structure, C18H19N5O2, CAS 442644-64-6](/s/ODWBSSZOARIWNA-UHFFFAOYSA-N.svg)
2,4-Dimethyl-7-phenyl-6-propylpurino[7,8-a]imidazole-1,3-dione
CAS 442644-64-6C18H19N5O2
Sri-9662
CAS 174655-13-1C18H19N5O2
- N-Ethyl-6-imino-13-methyl-2-oxo-7-(prop-2-en-1-yl)-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxamide683806-67-9C18H19N5O2
- 1,6,7-Trimethyl-8-(4-methylbenzyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione879464-59-2C18H19N5O2
- 1,6,7-Trimethyl-3-(4-methylbenzyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione919031-56-4C18H19N5O2
- 1-(1H-Indazol-3-yl)-N-[(1-methyl-1H-pyrrol-2-yl)methyl]-5-oxo-3-pyrrolidinecarboxamide1436002-41-3C18H19N5O2
- 2-(6-(Piperidin-4-yloxy)pyridazin-3-yl)-5-(1H-pyrazol-1-yl)phenol1562334-19-3C18H19N5O2
- 8-Benzyl-1,3,6,7-tetramethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione900267-41-6C18H19N5O2
- Ttbk1-IN-12735015-60-6C18H19N5O2
- N-(1-(tert-Butyl)-4-oxo-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)cinnamamide899751-79-2C18H19N5O2
- 2-{[4-(2-Nitrophenyl)piperazin-1-yl]methyl}-1H-1,3-benzodiazole474417-30-6C18H19N5O2
- N-(1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-4-methylbenzamide1002483-79-5C18H19N5O2
- Myt1-IN-32719793-54-9C18H19N5O2
- N-(5-(1,5-Dimethyl-1H-pyrazol-3-yl)-1,3,4-oxadiazol-2-yl)-5,6,7,8-tetrahydronaphthalene-2-carboxamide1170505-23-3C18H19N5O2
- N-(3-Methyl-1-(4-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)-1H-pyrazol-5-yl)-2-(m-tolyl)acetamide1004154-46-4C18H19N5O2
- N-(1-(4-Ethyl-6-oxo-1,6-dihydropyrimidin-2-yl)-3-methyl-1H-pyrazol-5-yl)-2-methylbenzamide1002483-77-3C18H19N5O2
- N-(3-Methylphenyl)-2-{1-oxo-1H,2H,7H,8H,9H,10H-[1,2,4]triazino[4,5-b]indazol-2-yl}acetamide1021252-61-8C18H19N5O2
- N-(2,3-Dimethylphenyl)-5-[(3-methoxyphenyl)amino]-1H-1,2,3-triazole-4-carboxamide1105248-58-5C18H19N5O2
- LS 82263257-31-8C18H19N5O2
- 2-[4-Cyclopropyl-1-(2,4-dimethylphenyl)-7-oxo-1H,6H,7H-pyrazolo[3,4-d]pyridazin-6-yl]acetamide1105239-45-9C18H19N5O2
- N-Cyclopropyl-4-(8-((2-hydroxyethyl)amino)imidazo[1,2-a]pyrazin-3-yl)benzamide1383103-16-9C18H19N5O2
- N-(7-Methoxyquinolin-3-yl)-4-(pyrimidin-2-ylamino)butanamide1401565-17-0C18H19N5O2
- (R)-Ttbk1-IN-12735015-59-3C18H19N5O2
- N-(2-(3-(2-Methyl-1H-imidazol-1-yl)-6-oxopyridazin-1(6H)-yl)ethyl)-2-phenylacetamide1351614-65-7C18H19N5O2
- 2-(1H-Indol-1-yl)-N-(6-morpholinopyrimidin-4-yl)acetamide1421583-91-6C18H19N5O2
- N-Ethyl-3-(1-methyl-1H-1,2,3-triazol-4-yl)-4-(pyridin-2-ylmethoxy)benzamide2748687-71-8C18H19N5O2
- N-Cyclohexyl-4-([1,2,4]triazolo[4,3-b]pyridazin-6-yloxy)benzamide1282127-53-0C18H19N5O2
- 4H-Pyrazolo[3,4-d]pyrimidin-4-one, 1,5-dihydro-1-phenyl-5-[2-(1-piperidyl)-2-oxoethyl]-309735-28-2C18H19N5O2
- 8-(4-Ethylphenyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione879440-09-2C18H19N5O2
- 5-[[4-[(4-Methoxy-2-pyridinyl)amino]-1-piperidinyl]carbonyl]-2-pyridinecarbonitrile1321627-29-5C18H19N5O2
- 1,6,7-Trimethyl-8-(1-phenylethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione879465-77-7C18H19N5O2
- 1-Methyl-9-phenyl-3-prop-2-enyl-7,8-dihydro-6H-purino[7,8-a]pyrimidine-2,4-dione332400-80-3C18H19N5O2
- 8-(3,5-Dimethylphenyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione896674-23-0C18H19N5O2
- N-Ethyl-3-(1-methyl-1H-1,2,3-triazol-4-yl)-4-(4-pyridinylmethoxy)benzamide2748687-79-6C18H19N5O2
- (3S)-1-[1-(2-Amino-5-methoxypyrimidin-4-yl)pyrrolo[3,2-c]pyridin-6-yl]-3-methylpent-1-yn-3-ol2735015-62-8C18H19N5O2
- 1,3,7-Trimethyl-8-(2-phenylethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione633288-05-8C18H19N5O2
- N-Cyclopentyl(2-imino-1-methyl-5-oxo(1,6-dihydropyridino[1,2-a]pyridino[2,3-d] pyrimidin-3-yl))carboxamide573942-60-6C18H19N5O2
- 1-Phenyl-3-(4-pyrimidin-2-ylpiperazin-1-yl)pyrrolidine-2,5-dione299200-99-0C18H19N5O2
- 1,6,7-Trimethyl-8-phenethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione879455-65-9C18H19N5O2
- 8-(2-Ethylphenyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione879435-08-2C18H19N5O2
- 1,3,7-Trimethyl-8-(1-phenylethyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione869344-93-4C18H19N5O2
- 1,7,8-Trimethyl-3-phenethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione887461-77-0C18H19N5O2
- N-(4-Cyanophenyl)-2-[(6-methyl-2-pyrrolidin-1-ylpyrimidin-4-yl)oxy]acetamide1030097-32-5C18H19N5O2
- N-(3-Cyanophenyl)-2-[(6-methyl-2-pyrrolidin-1-ylpyrimidin-4-yl)oxy]acetamide1226429-96-4C18H19N5O2
- Ethyl 2-[(4,7-dimethylquinazolin-2-yl)amino]-4-methylpyrimidine-5-carboxylate669718-67-6C18H19N5O2
- 3-Benzyl-1,6,7,8-tetramethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione878413-30-0C18H19N5O2
- 8-(3,4-Dimethylphenyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione879441-68-6C18H19N5O2
- 3-Allyl-1-methyl-8-(m-tolyl)-7,8-dihydro-1H-imidazo[2,1-f]purine-2,4(3H,6H)-dione872839-92-4C18H19N5O2
- N-(4-Ethoxyphenyl)-2-[5-(2-methylphenyl)tetrazol-2-yl]acetamide876582-05-7C18H19N5O2
- 5-Amino-1-benzyl-N-(2-methoxybenzyl)-1H-1,2,3-triazole-4-carboxamide900013-29-8C18H19N5O2
- 5-Amino-N-(3-methoxyphenyl)-1-(2-methylbenzyl)-1H-1,2,3-triazole-4-carboxamide899738-01-3C18H19N5O2
- 5-Acetyl-2-[(6-methoxy-4-methylquinazolin-2-yl)amino]-4,6-dimethylpyrimidine674353-23-2C18H19N5O2
- 3-(2-Methoxyphenyl)-N-(2-methylphenyl)-2-(2H-tetrazol-5-yl)propanamide483993-62-0C18H19N5O2
- 6-(4-Oxo-1,2,3-benzotriazin-3-yl)-N-pyridin-3-ylhexanamide880811-03-0C18H19N5O2
- 8-(3,5-Dimethylphenyl)-1,3,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione893367-97-0C18H19N5O2
- N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(3,5-dimethylpyrazol-1-yl)-6-methylpyrimidin-4-amine1001502-53-9C18H19N5O2
- 5-Amino-1-benzyl-N-(4-methoxybenzyl)-1H-1,2,3-triazole-4-carboxamide900013-31-2C18H19N5O2
- 5-Amino-1-benzyl-N-(3-methoxybenzyl)-1H-1,2,3-triazole-4-carboxamide900013-37-8C18H19N5O2
- 2,4-Dihydro-4-[4-[4-(4-hydroxyphenyl)-1-piperazinyl]phenyl]-3H-1,2,4-triazol-3-one79538-90-2C18H19N5O2
- 3-Ethyl-1,7-dimethyl-8-(o-tolyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione887463-98-1C18H19N5O2
- 6-Cyclopropyl-1-(4-methoxyphenyl)-3-methyl-1H-pyrazolo[3,4-b]pyridine-4-carbohydrazide937600-21-0C18H19N5O2
- 4-[5-(4-tert-Butylphenoxy)tetrazol-1-yl]benzamide669702-12-9C18H19N5O2
- 2-(4-Nitrophenyl)-3-(piperazin-1-ylmethyl)imidazo[1,2-a]pyridine308127-76-6C18H19N5O2
- 4-Methyl-6-(2-methylphenyl)-2-prop-2-enyl-7,8-dihydropurino[7,8-a]imidazole-1,3-dione893963-11-6C18H19N5O2
- 2,4,7-Trimethyl-6-[(4-methylphenyl)methyl]purino[7,8-a]imidazole-1,3-dione876902-60-2C18H19N5O2
- N-(4-Methoxyphenyl)-3-(3-methylphenyl)-2-(2H-tetrazol-5-yl)propanamide483993-95-9C18H19N5O2
- 3-(3-Methoxyphenyl)-N-(3-methylphenyl)-2-(2H-tetrazol-5-yl)propanamide483993-25-5C18H19N5O2
- 1,3,6,7-Tetramethyl-8-(p-tolyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione896837-12-0C18H19N5O2
- Ethyl 4-{2,5-dimethyl-3-[(E)-(4H-1,2,4-triazol-4-ylimino)methyl]-1H-pyrrol-1-yl}benzoate6224-74-4C18H19N5O2
- 2,4,7-Trimethyl-6-[(2-methylphenyl)methyl]purino[7,8-a]imidazole-1,3-dione878735-17-2C18H19N5O2
- 2,6-Diethyl-4-methyl-7-phenylpurino[7,8-a]imidazole-1,3-dione878736-75-5C18H19N5O2
- 6-(2,5-Dimethylphenyl)-2,4,7-trimethylpurino[7,8-a]imidazole-1,3-dione878727-71-0C18H19N5O2
- 5-Amino-1-benzyl-N-(2-ethoxyphenyl)-1H-1,2,3-triazole-4-carboxamide899972-67-9C18H19N5O2
- 1,7,8-Trimethyl-3-(2-methylbenzyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione887461-37-2C18H19N5O2
- N-{3-Methoxy-4-[(1-phenyl-1H-tetrazol-5-yl)oxy]benzyl}cyclopropanamine932260-14-5C18H19N5O2
- N-(1H-Benzimidazol-2-yl)-2-(3-oxo-3,5,6,7,8,9-hexahydro-2H-cyclohepta[c]pyridazin-2-yl)acetamide1324077-93-1C18H19N5O2
- 2-(1H-Indol-3-yl)-N-(2-morpholinopyrimidin-5-yl)acetamide1396685-70-3C18H19N5O2
- (2E)-2-{4-[(2-Cyanobenzyl)oxy]-3-ethoxybenzylidene}hydrazinecarboximidamide725276-58-4C18H19N5O2
Frequently asked questions
What is the molar mass of C18H19N5O2?
The molar mass of C18H19N5O2 is 337.38 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 345.2041 Da.
How many compounds have the formula C18H19N5O2?
CompoundList lists 415 compounds with the molecular formula C18H19N5O2, including Aficamten, N-Allyl-2-imino-5-oxo-1-propyl-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide, 1-Allyl-N-ethyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxamide. 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 C18H19N5O2?
C18H19N5O2 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.