Molecular formula
C16H21N5O4
66 compounds have this formula on CompoundList.
- Molar mass
- 347.38g/mol
- Monoisotopic mass
- 347.1594Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 9
The formula C16H21N5O4 describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 4 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 × 1655.32%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 216.09%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 520.16%14.007 × 5 = 70.035 g/mol
- O Oxygen × 418.42%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C16H21N5O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 66 of 66 compounds
GP 531
CAS 142344-87-4C16H21N5O4
2-Hexynyladenosine
CAS 90596-73-9C16H21N5O4
![1,3-Dimethyl-2,4-dioxo-N-(2-oxopyrrolidin-1-yl)-7-propyl-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide chemical structure, C16H21N5O4, CAS 1021092-45-4](/s/VSSVZUQMBRYULM-UHFFFAOYSA-N.svg)
1,3-Dimethyl-2,4-dioxo-N-(2-oxopyrrolidin-1-yl)-7-propyl-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide
CAS 1021092-45-4C16H21N5O4
1-(3-Methoxy-1-methyl-1H-pyrazole-4-carbonyl)-N-(5-methylisoxazol-3-yl)piperidine-4-carboxamide
CAS 1226454-83-6C16H21N5O4
8-(1-Hexynyl)-adenosine
CAS 364602-95-9C16H21N5O4
![Ethyl 4-(5-ethyl-3-oxo-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carbonyl)piperazine-1-carboxylate chemical structure, C16H21N5O4, CAS 1219906-19-0](/s/XKZSWFZIXGFFBT-UHFFFAOYSA-N.svg)
Ethyl 4-(5-ethyl-3-oxo-3,5-dihydro-2H-pyrazolo[4,3-c]pyridine-7-carbonyl)piperazine-1-carboxylate
CAS 1219906-19-0C16H21N5O4
N-(3,N'-Morpholinopropyl)-2-(3-nitropyrrolo-(2,3-b)pyridine-1-yl)ethanoic acid amide
CAS 110231-01-1C16H21N5O4
![(2R,3R,4S,5R)-2-(4-(Dimethylamino)-5-methylpyrrolo[2',3':4,5]pyrrolo[2,3-d]pyrimidin-8(5H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol chemical structure, C16H21N5O4, CAS 2180983-51-9](/s/GIPKNLNHAZHJMS-RVXWVPLUSA-N.svg)
(2R,3R,4S,5R)-2-(4-(Dimethylamino)-5-methylpyrrolo[2',3':4,5]pyrrolo[2,3-d]pyrimidin-8(5H)-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
CAS 2180983-51-9C16H21N5O4
![Methyl 2-(8-isobutyl-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate chemical structure, C16H21N5O4, CAS 915872-35-4](/s/AJIWLUJFTIXOAO-UHFFFAOYSA-N.svg)
Methyl 2-(8-isobutyl-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate
CAS 915872-35-4C16H21N5O4
![Ethyl 6-amino-5-cyano-3-(methoxymethyl)spiro[2H-pyrano[2,3-c]pyrazole-4,4'-piperidine]-1'-carboxylate chemical structure, C16H21N5O4, CAS 340808-79-9](/s/BNVZIZMHOPCJJL-UHFFFAOYSA-N.svg)
Ethyl 6-amino-5-cyano-3-(methoxymethyl)spiro[2H-pyrano[2,3-c]pyrazole-4,4'-piperidine]-1'-carboxylate
CAS 340808-79-9C16H21N5O4
![Ethyl 2-(6-ethyl-4,7,8-trimethyl-1,3-dioxopurino[7,8-a]imidazol-2-yl)acetate chemical structure, C16H21N5O4, CAS 878412-84-1](/s/ZAGNKDIMBNUMTQ-UHFFFAOYSA-N.svg)
Ethyl 2-(6-ethyl-4,7,8-trimethyl-1,3-dioxopurino[7,8-a]imidazol-2-yl)acetate
CAS 878412-84-1C16H21N5O4
![2-(8-Isobutyl-1,6,7-trimethyl-2,4-dioxo-1,2,4,8-tetrahydro-3H-imidazo[2,1-f]purin-3-yl)acetic acid chemical structure, C16H21N5O4, CAS 929861-00-7](/s/NNRDBVNJCDGCBA-UHFFFAOYSA-N.svg)
2-(8-Isobutyl-1,6,7-trimethyl-2,4-dioxo-1,2,4,8-tetrahydro-3H-imidazo[2,1-f]purin-3-yl)acetic acid
CAS 929861-00-7C16H21N5O4
![2-(3-Isopentyl-1,7-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-8H-imidazo[2,1-f]purin-8-yl)acetic acid chemical structure, C16H21N5O4, CAS 949763-71-7](/s/IUYDJVCDALNKJL-UHFFFAOYSA-N.svg)
2-(3-Isopentyl-1,7-dimethyl-2,4-dioxo-1,2,3,4-tetrahydro-8H-imidazo[2,1-f]purin-8-yl)acetic acid
CAS 949763-71-7C16H21N5O4
![3-Cyclopentyl-7-[(1,4-dioxan-2-ylmethyl)amino]pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C16H21N5O4, CAS 1396810-33-5](/s/HBGZJHOZUXXPJS-UHFFFAOYSA-N.svg)
3-Cyclopentyl-7-[(1,4-dioxan-2-ylmethyl)amino]pyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione
CAS 1396810-33-5C16H21N5O4
![1,6,7-Trimethyl-3-(2-morpholinoethyl)oxazolo[2,3-f]purine-2,4(1H,3H)-dione chemical structure, C16H21N5O4, CAS 899997-64-9](/s/XUSVZBFGSMLECX-UHFFFAOYSA-N.svg)
1,6,7-Trimethyl-3-(2-morpholinoethyl)oxazolo[2,3-f]purine-2,4(1H,3H)-dione
CAS 899997-64-9C16H21N5O4
![Methyl 2-(4,7,8-trimethyl-1,3-dioxo-6-propan-2-ylpurino[7,8-a]imidazol-2-yl)acetate chemical structure, C16H21N5O4, CAS 878734-85-1](/s/CDSPEYYDFRUGON-UHFFFAOYSA-N.svg)
Methyl 2-(4,7,8-trimethyl-1,3-dioxo-6-propan-2-ylpurino[7,8-a]imidazol-2-yl)acetate
CAS 878734-85-1C16H21N5O4
![Methyl 2-(6-butan-2-yl-4,7-dimethyl-1,3-dioxopurino[7,8-a]imidazol-2-yl)acetate chemical structure, C16H21N5O4, CAS 915934-68-8](/s/HQNMOZKVNQIMRG-UHFFFAOYSA-N.svg)
Methyl 2-(6-butan-2-yl-4,7-dimethyl-1,3-dioxopurino[7,8-a]imidazol-2-yl)acetate
CAS 915934-68-8C16H21N5O4
![Methyl 2-(4,7,8-trimethyl-1,3-dioxo-6-propylpurino[7,8-a]imidazol-2-yl)acetate chemical structure, C16H21N5O4, CAS 878412-17-0](/s/HTOVOMKFALNUDC-UHFFFAOYSA-N.svg)
Methyl 2-(4,7,8-trimethyl-1,3-dioxo-6-propylpurino[7,8-a]imidazol-2-yl)acetate
CAS 878412-17-0C16H21N5O4
![Ethyl 2-(1,7-dimethyl-2,4-dioxo-3-propyl-1,3,5-trihydro-4-imidazolino[1,2-h]pu rin-8-yl)acetate chemical structure, C16H21N5O4, CAS 919041-58-0](/s/AOOGZRFJQXDUHE-UHFFFAOYSA-N.svg)
Ethyl 2-(1,7-dimethyl-2,4-dioxo-3-propyl-1,3,5-trihydro-4-imidazolino[1,2-h]pu rin-8-yl)acetate
CAS 919041-58-0C16H21N5O4
![4-Amino-N-[2-[(4-butoxybenzoyl)amino]ethyl]-1,2,5-oxadiazole-3-carboxamide chemical structure, C16H21N5O4, CAS 774546-90-6](/s/YEZORWIKMQOIHX-UHFFFAOYSA-N.svg)
4-Amino-N-[2-[(4-butoxybenzoyl)amino]ethyl]-1,2,5-oxadiazole-3-carboxamide
CAS 774546-90-6C16H21N5O4
![6-(2-Methoxyethyl)-4,7-dimethyl-2-(3-oxobutan-2-yl)purino[7,8-a]imidazole-1,3-dione chemical structure, C16H21N5O4, CAS 876671-46-4](/s/WYIKRNOJSIZMMD-UHFFFAOYSA-N.svg)
6-(2-Methoxyethyl)-4,7-dimethyl-2-(3-oxobutan-2-yl)purino[7,8-a]imidazole-1,3-dione
CAS 876671-46-4C16H21N5O4
![6-(3-Methoxypropyl)-4,7-dimethyl-2-(2-oxopropyl)purino[7,8-a]imidazole-1,3-dione chemical structure, C16H21N5O4, CAS 876671-52-2](/s/FLIIFHRSPIILGZ-UHFFFAOYSA-N.svg)
6-(3-Methoxypropyl)-4,7-dimethyl-2-(2-oxopropyl)purino[7,8-a]imidazole-1,3-dione
CAS 876671-52-2C16H21N5O4
![Methyl 2-(6-ethyl-4,7,8-trimethyl-1,3-dioxopurino[7,8-a]imidazol-2-yl)propanoate chemical structure, C16H21N5O4, CAS 878721-60-9](/s/GJIDYWPKCZGEQE-UHFFFAOYSA-N.svg)
Methyl 2-(6-ethyl-4,7,8-trimethyl-1,3-dioxopurino[7,8-a]imidazol-2-yl)propanoate
CAS 878721-60-9C16H21N5O4
![Ethyl 2-(4,7-dimethyl-1,3-dioxo-6-propan-2-ylpurino[7,8-a]imidazol-2-yl)acetate chemical structure, C16H21N5O4, CAS 878731-57-8](/s/ZKSQWSBYRDTKPR-UHFFFAOYSA-N.svg)
Ethyl 2-(4,7-dimethyl-1,3-dioxo-6-propan-2-ylpurino[7,8-a]imidazol-2-yl)acetate
CAS 878731-57-8C16H21N5O4
- Ethyl 2-(1,7-dimethyl-2,4-dioxo-8-propyl-1,3,5-trihydro-4-imidazolino[1,2-h]pu rin-3-yl)acetate887463-54-9C16H21N5O4
- Ethyl 2-(2-ethyl-4,7,8-trimethyl-1,3-dioxopurino[7,8-a]imidazol-6-yl)acetate915900-69-5C16H21N5O4
- Methyl 2-(7-tert-butyl-2,4-dimethyl-1,3-dioxopurino[7,8-a]imidazol-6-yl)acetate919012-90-1C16H21N5O4
- Ethyl 4-[1-(pyrazine-2-carbonyl)azetidine-3-carbonyl]piperazine-1-carboxylate1396708-75-0C16H21N5O4
- 1-[2-(Dimethylamino)pyrimidin-5-yl]-3-(3,4,5-trimethoxyphenyl)urea1396785-70-8C16H21N5O4
- 6-(2-Methoxyethyl)-4,7,8-trimethyl-2-(2-oxopropyl)purino[7,8-a]imidazole-1,3-dione878411-31-5C16H21N5O4
- Ethyl 3-(2,4,7,8-tetramethyl-1,3-dioxopurino[7,8-a]imidazol-6-yl)propanoate904373-26-8C16H21N5O4
- Methyl 2-(8-butyl-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)acetate887464-14-4C16H21N5O4
- Ethyl 3-(8-ethyl-1,7-dimethyl-2,4-dioxo-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate887462-75-1C16H21N5O4
- (3-Methoxy-1-methyl-1H-pyrazol-4-yl)(3-((6-methoxypyrazin-2-yl)oxy)piperidin-1-yl)methanone2034580-86-2C16H21N5O4
- 1-((3-(6-Ethoxypyridin-3-yl)-1,2,4-oxadiazol-5-yl)methyl)-3-((tetrahydrofuran-2-yl)methyl)urea1903305-96-3C16H21N5O4
- 5-(4-tert-Butoxycarbonylpiperazin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid2002371-06-2C16H21N5O4
- N1-(isoxazol-3-yl)-N2-(2-(1-methyl-1H-pyrrol-2-yl)-2-morpholinoethyl)oxalamide1049374-63-1C16H21N5O4
- 4-(3,4-Dimethoxyphenyl)-1-(3-methoxypropyl)-3-(1H-1,2,3,4-tetrazol-1-yl)azetidin-2-one1241144-43-3C16H21N5O4
- Ethyl 4-{[(6-methyl-4-oxo-4,5-dihydropyrazolo[1,5-a]pyrazin-2-yl)carbonyl]amino}piperidine-1-carboxylate2108756-00-7C16H21N5O4
- N-{[4-(Dimethylamino)-6-methoxy-1,3,5-triazin-2-yl]methyl}-3,4-dimethoxybenzamide2034275-67-5C16H21N5O4
- N-{[4-(Dimethylamino)-6-methoxy-1,3,5-triazin-2-yl]methyl}-2-(2-methoxyphenoxy)acetamide2034350-30-4C16H21N5O4
- N-((4-Methoxy-6-morpholino-1,3,5-triazin-2-yl)methyl)-2,5-dimethylfuran-3-carboxamide2034579-12-7C16H21N5O4
- 1-Ethyl-4-[3-(pyrimidin-4-yloxy)piperidine-1-carbonyl]piperazine-2,3-dione2034499-70-0C16H21N5O4
- 1-Ethyl-4-[3-(pyrimidin-2-yloxy)piperidine-1-carbonyl]piperazine-2,3-dione2034396-32-0C16H21N5O4
- 3-Methyl-1-(1-(2-(4-methyl-6-oxopyrimidin-1(6H)-yl)acetyl)piperidin-4-yl)imidazolidine-2,4-dione2176069-46-6C16H21N5O4
- Methyl 3-(6-ethyl-4,7,8-trimethyl-1,3-dioxopurino[7,8-a]imidazol-2-yl)propanoate878721-63-2C16H21N5O4
- Methyl 3-(1,7-dimethyl-2,4-dioxo-8-propyl-1H-imidazo[2,1-f]purin-3(2H,4H,8H)-yl)propanoate887463-60-7C16H21N5O4
- tert-Butyl 4-(5-nitro-1H-benzo[d]imidazol-2-yl)piperazine-1-carboxylate1375745-43-9C16H21N5O4
- tert-Butyl N-{[4-hydroxy-2-(1H-pyrazol-1-yl)pyrimidin-5-yl]carbonyl}-2-methylalaninate1187993-22-1C16H21N5O4
- (3-Methoxy-1-methyl-1H-pyrazol-4-yl)(3-((3-methoxypyrazin-2-yl)oxy)piperidin-1-yl)methanone2034480-23-2C16H21N5O4
- 1-Ethyl-4-{3-[(2-methylpyrimidin-4-yl)oxy]pyrrolidine-1-carbonyl}piperazine-2,3-dione2034247-35-1C16H21N5O4
- 5-[[[2-[[(1,1-Dimethylethoxy)carbonyl]amino]-4-pyridinyl]methyl]amino]-1-methyl-1H-pyrazole-4-carboxylic acid916851-08-6C16H21N5O4
- 5-(3-((tert-Butoxycarbonyl)amino)pyrrolidin-1-yl)pyrazolo[1,5-a]pyrimidine-3-carboxylic acid2068126-87-2C16H21N5O4
- 1-(3-Amino-2-hydroxybenzoyl)-4-(1,4,5,6-tetrahydropyrimidin-2-yl)piperazine-2-carboxylic acid681509-51-3C16H21N5O4
- (S)-tert-Butyl (1-(5-nitro-1H-benzo[d]imidazol-2-yl)pyrrolidin-3-yl)carbamate1421035-32-6C16H21N5O4
- (S)-tert-Butyl 3-((5-nitro-1H-benzo[d]imidazol-2-yl)amino)pyrrolidine-1-carboxylate1421011-19-9C16H21N5O4
- (R)-tert-Butyl 3-((5-nitro-1H-benzo[d]imidazol-2-yl)amino)pyrrolidine-1-carboxylate1421031-50-6C16H21N5O4
- tert-Butyl 3-((5-nitro-1H-benzo[d]imidazol-2-yl)amino)pyrrolidine-1-carboxylate1420852-99-8C16H21N5O4
- 4-(tert-Butoxycarbonyl)-1-(3H-imidazo[4,5-b]pyridin-2-yl)piperazine-2-carboxylic acid1420785-04-1C16H21N5O4
- tert-Butyl (1-(5-nitro-1H-benzo[d]imidazol-2-yl)pyrrolidin-3-yl)carbamate1420825-85-9C16H21N5O4
- 2-Amino-9-(((1-(benzyloxy)-3-hydroxypropan-2-yl)oxy)methyl)-4,9-dihydro-1H-purin-6(5H)-one1369510-29-1C16H21N5O4
- 5-Methoxy-2-[(1-{[5-(oxolan-3-yl)-1,3,4-oxadiazol-2-yl]methyl}pyrrolidin-3-yl)oxy]pyrimidine2741956-97-6C16H21N5O4
- 3-Azido-5-{4-[(tert-butoxy)carbonyl]piperazin-1-yl}benzoic acid2418642-88-1C16H21N5O4
- tert-Butyl 4-(5-nitro-2H-1,2,3-benzotriazol-2-yl)piperidine-1-carboxylate2680785-93-5C16H21N5O4
- 2-{[(tert-Butoxy)carbonyl](1-phenyl-1H-1,2,3,4-tetrazol-5-yl)amino}butanoic acid2680606-48-6C16H21N5O4
- (R)-tert-Butyl (1-(5-nitro-1H-benzo[d]imidazol-2-yl)pyrrolidin-3-yl)carbamate1421032-73-6C16H21N5O4
Frequently asked questions
What is the molar mass of C16H21N5O4?
The molar mass of C16H21N5O4 is 347.38 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 5 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 347.1594 Da.
How many compounds have the formula C16H21N5O4?
CompoundList lists 66 compounds with the molecular formula C16H21N5O4, including GP 531, 2-Hexynyladenosine, 1,3-Dimethyl-2,4-dioxo-N-(2-oxopyrrolidin-1-yl)-7-propyl-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-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 C16H21N5O4?
C16H21N5O4 has a degree of unsaturation of 9. 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.