Molecular formula
C16H16N4O3
238 compounds have this formula on CompoundList.
- Molar mass
- 312.33g/mol
- Monoisotopic mass
- 312.1222Da
- Atoms
- 39
- Elements
- 4
- Rings plus double bonds
- 11
The formula C16H16N4O3 describes a molecule made of 16 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 3 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 × 1661.53%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 165.16%1.008 × 16 = 16.128 g/mol
- N Nitrogen × 417.94%14.007 × 4 = 56.028 g/mol
- O Oxygen × 315.37%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C16H16N4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 238 compounds
3-(6-Amino-1-benzyl-3-ethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-oxopropanenitrile
CAS 571149-75-2C16H16N4O3
![Ethyl 1-ethyl-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate chemical structure, C16H16N4O3, CAS 487024-26-0](/s/BXMYZMWRMRIDID-UHFFFAOYSA-N.svg)
Ethyl 1-ethyl-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate
CAS 487024-26-0C16H16N4O3
![7-Amino-1-benzyl-3-ethyl-1H,2H,3H,4H,5H,8H-pyrido[2,3-d]pyrimidine-2,4,5-trione chemical structure, C16H16N4O3, CAS 571149-80-9](/s/CZPYMWWBKWCSGA-UHFFFAOYSA-N.svg)
7-Amino-1-benzyl-3-ethyl-1H,2H,3H,4H,5H,8H-pyrido[2,3-d]pyrimidine-2,4,5-trione
CAS 571149-80-9C16H16N4O3
![6-Amino-3-(methoxymethyl)-4-(2-methoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C16H16N4O3, CAS 300392-53-4](/s/NSVUTDRGIZQVRW-UHFFFAOYSA-N.svg)
6-Amino-3-(methoxymethyl)-4-(2-methoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 300392-53-4C16H16N4O3
![2-[4-(2-Hydroxyethyl)-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl]-6-phenyl-4(3H)-pyrimidinone chemical structure, C16H16N4O3, CAS 210417-21-3](/s/OJRDJBUJACVYFQ-UHFFFAOYSA-N.svg)
2-[4-(2-Hydroxyethyl)-3-methyl-5-oxo-2,5-dihydro-1H-pyrazol-1-yl]-6-phenyl-4(3H)-pyrimidinone
CAS 210417-21-3C16H16N4O3
4'-Acetamidophenyl 4-guanidinobenzoate
CAS 79126-29-7C16H16N4O3
5-(3-Hydroxyphenyl)-N-(3-(1H-imidazol-1-yl)propyl)-3-isoxazolecarboxamide
CAS 912761-13-8C16H16N4O3
![4-Methyl-3-(1H-tetrazol-5-ylmethoxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one chemical structure, C16H16N4O3, CAS 899385-35-4](/s/YTMBFCRZXZVURD-UHFFFAOYSA-N.svg)
4-Methyl-3-(1H-tetrazol-5-ylmethoxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
CAS 899385-35-4C16H16N4O3
![4-[(4-Methoxybenzyl)amino]-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid chemical structure, C16H16N4O3, CAS 685109-27-7](/s/KYEOQOAADDUAPC-UHFFFAOYSA-N.svg)
4-[(4-Methoxybenzyl)amino]-1-methyl-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid
CAS 685109-27-7C16H16N4O3
![3-Methyl-1-(2H-tetrazol-5-ylmethoxy)-7,8,9,10-tetrahydrobenzo[c]chromen-6-one chemical structure, C16H16N4O3, CAS 896076-57-6](/s/TVPKALLWKKKSBI-UHFFFAOYSA-N.svg)
3-Methyl-1-(2H-tetrazol-5-ylmethoxy)-7,8,9,10-tetrahydrobenzo[c]chromen-6-one
CAS 896076-57-6C16H16N4O3
![1-Methyl-2-(morpholine-4-carbonyl)pyrido[1,2-a]pyrrolo[2,3-d]pyrimidin-4(1H)-one chemical structure, C16H16N4O3, CAS 863614-66-8](/s/SLUBAXINYMTVQW-UHFFFAOYSA-N.svg)
1-Methyl-2-(morpholine-4-carbonyl)pyrido[1,2-a]pyrrolo[2,3-d]pyrimidin-4(1H)-one
CAS 863614-66-8C16H16N4O3
3-(N-Acetoxy-N-acetylamino)-4,6-dimethyldipyrido(1,2-a-3',2'-d)imidazole
CAS 94617-26-2C16H16N4O3
![N-(1,3-Dimethyl-2,4-dioxo-5-phenylpyrrolo[3,4-d]pyrimidin-6-yl)acetamide chemical structure, C16H16N4O3, CAS 443666-67-9](/s/QWDFAKMUQGNGNR-UHFFFAOYSA-N.svg)
N-(1,3-Dimethyl-2,4-dioxo-5-phenylpyrrolo[3,4-d]pyrimidin-6-yl)acetamide
CAS 443666-67-9C16H16N4O3
![4-{[2-(1H-1,3-Benzodiazol-2-yl)hydrazin-1-ylidene]methyl}-2,6-dimethoxyphenol chemical structure, C16H16N4O3, CAS 455286-52-9](/s/BUOJJJZNCZSFTM-RQZCQDPDSA-N.svg)
4-{[2-(1H-1,3-Benzodiazol-2-yl)hydrazin-1-ylidene]methyl}-2,6-dimethoxyphenol
CAS 455286-52-9C16H16N4O3
![Methyl 1-ethyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate chemical structure, C16H16N4O3, CAS 371144-06-8](/s/DELUGDBXSGMAIJ-UHFFFAOYSA-N.svg)
Methyl 1-ethyl-2-imino-10-methyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate
CAS 371144-06-8C16H16N4O3
N'-(3-Nitrobenzylidene)-2-(2-toluidino)acetohydrazide
CAS 303065-05-6C16H16N4O3
![6-Amino-3-(methoxymethyl)-4-(3-methoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C16H16N4O3, CAS 370873-05-5](/s/QTYCDNYUHHXHMY-UHFFFAOYSA-N.svg)
6-Amino-3-(methoxymethyl)-4-(3-methoxyphenyl)-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 370873-05-5C16H16N4O3
![3-Methyl-2-(1H-tetrazol-5-ylmethoxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one chemical structure, C16H16N4O3, CAS 899396-39-5](/s/DDTOMQMRYLXSBF-UHFFFAOYSA-N.svg)
3-Methyl-2-(1H-tetrazol-5-ylmethoxy)-7,8,9,10-tetrahydro-6H-benzo[c]chromen-6-one
CAS 899396-39-5C16H16N4O3
![5-[(5-Acetyl-2-methoxyphenyl)methyl]-1-methylpyrazolo[3,4-d]pyrimidin-4-one chemical structure, C16H16N4O3, CAS 778622-93-8](/s/BFAXUWDHEVBAFC-UHFFFAOYSA-N.svg)
5-[(5-Acetyl-2-methoxyphenyl)methyl]-1-methylpyrazolo[3,4-d]pyrimidin-4-one
CAS 778622-93-8C16H16N4O3
![N'-[(E)-(3-Methoxyphenyl)methylideneamino]-N-(pyridin-3-ylmethyl)oxamide chemical structure, C16H16N4O3, CAS 338983-67-8](/s/IPRHIJUWEPWMCY-YBFXNURJSA-N.svg)
N'-[(E)-(3-Methoxyphenyl)methylideneamino]-N-(pyridin-3-ylmethyl)oxamide
CAS 338983-67-8C16H16N4O3
4-Methoxy-N-(2-oxo-2-(2-(4-pyridinylmethylene)hydrazino)ethyl)benzamide
CAS 769146-84-1C16H16N4O3
![[4-(4-Nitrophenyl)piperazin-1-yl]-pyridin-3-ylmethanone chemical structure, C16H16N4O3, CAS 326901-70-6](/s/NEJYMXIRIJWMMG-UHFFFAOYSA-N.svg)
[4-(4-Nitrophenyl)piperazin-1-yl]-pyridin-3-ylmethanone
CAS 326901-70-6C16H16N4O3
![6-Amino-4-(2,3-dimethoxyphenyl)-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile chemical structure, C16H16N4O3, CAS 326915-18-8](/s/YZYBVKWDHOEVOR-UHFFFAOYSA-N.svg)
6-Amino-4-(2,3-dimethoxyphenyl)-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile
CAS 326915-18-8C16H16N4O3
![Ethyl 2-imino-1,10-dimethyl-5-oxo-1,6-dihydropyridino[2,3-d]pyridino[1,2-a]pyr imidine-3-carboxylate chemical structure, C16H16N4O3, CAS 496796-87-3](/s/HQPUPJORNOUACY-UHFFFAOYSA-N.svg)
Ethyl 2-imino-1,10-dimethyl-5-oxo-1,6-dihydropyridino[2,3-d]pyridino[1,2-a]pyr imidine-3-carboxylate
CAS 496796-87-3C16H16N4O3
- 2-Imino-10-oxo-1-propyl-1,10-dihydro-2H-1,9,10a-triazaanthracene-3-carboxylic acid, methyl ester371138-74-8C16H16N4O3
- (4-Nitrophenyl)-(4-pyridin-2-ylpiperazin-1-yl)methanone335282-39-8C16H16N4O3
- Methyl 7-ethyl-6-imino-13-methyl-2-oxo-1,7,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),4,9,11,13-pentaene-5-carboxylate842962-61-2C16H16N4O3
- Methyl 2-imino-1-isopropyl-5-oxo-1,5-dihydro-2H-dipyrido[1,2-a:2,3-d]pyrimidine-3-carboxylate618080-76-5C16H16N4O3
- Sanguinone B950842-10-1C16H16N4O3
- 6-Amino-4-(3-ethoxy-4-hydroxyphenyl)-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile300392-08-9C16H16N4O3
- 6-Amino-4-(3,5-dimethoxyphenyl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile352662-95-4C16H16N4O3
- Carbamic acid, (5-amino-3-phenyl-2H-pyrido(4,3-b)-1,4-oxazin-7-yl)-, ethyl ester87607-29-2C16H16N4O3
- Ucb L14070999-42-7C16H16N4O3
- N-(3-Methoxybenzyl)-6-methyl-4-oxo-4,5-dihydropyrazolo[1,5-a]pyrazine-2-carboxamide1775378-05-6C16H16N4O3
- 2-[(Cyclopropylcarbonyl)amino]-N-(4-Methoxypyridin-3-Yl)pyridine-4-Carboxamide1772822-21-5C16H16N4O3
- 6-Amino-4-(3,4-dihydroxyphenyl)-3-propyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile342780-02-3C16H16N4O3
- 7-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-2-(methoxymethyl)[1,2,4]triazolo[1,5-a]pyrimidine1574325-14-6C16H16N4O3
- 5-(3-Cyclopropyl-1H-pyrazol-5-yl)-3-(3,4-dimethoxyphenyl)-1,2,4-oxadiazole1192220-34-0C16H16N4O3
- N-[3-Methoxy-4-(2-oxopyrrolidin-1-yl)phenyl]pyrazine-2-carboxamide1210331-32-0C16H16N4O3
- N-(1-(2-Hydroxyethyl)-3-phenyl-1H-pyrazol-5-yl)-5-methylisoxazole-3-carboxamide1226433-72-2C16H16N4O3
- 2 suppliersMethyl 4-[2-(2-amino-4,7-dihydro-4-oxo-3H-pyrrolo[2,3-d]pyrimidin-5-yl)ethyl]benzoate155405-80-4C16H16N4O3
- N-(3-Imidazol-1-ylpropyl)-2-methyl-1,3-dioxoisoindole-5-carboxamide890979-83-6C16H16N4O3
- N-(5-Imidazo[1,2-a]pyrimidin-2-yl-2-methoxyphenyl)-2-methoxyacetamide862810-66-0C16H16N4O3
- 2-(Benzo[d]isoxazol-3-yl)-N-(2-(3-methyl-6-oxopyridazin-1(6H)-yl)ethyl)acetamide1251624-26-6C16H16N4O3
- N1-(2-(1H-indol-3-yl)ethyl)-N2-(5-methylisoxazol-3-yl)oxalamide919722-55-7C16H16N4O3
- 1-Ethyl-5-methyl-N-(2-methyl-1,3-dioxo-2,3-dihydro-1H-isoindol-4-yl)-1H-pyrazole-3-carboxamide1173256-00-2C16H16N4O3
- 2-(2-(1,3,4-Oxadiazol-2-yl)-1H-indol-1-yl)-1-morpholinoethanone955602-12-7C16H16N4O3
- 8-[2-(4-Methoxy-phenyl)-vinyl]-1,3-dimethyl-3,7-dihydro-purine-2,6-dione147700-12-7C16H16N4O3
- 6-(Furan-2-ylmethyl)-2-(morpholin-4-yl)pyrido[4,3-d]pyrimidin-5(6H)-one932208-71-4C16H16N4O3
- N-(1,3-Dimethyl-1H-pyrazol-5-yl)-3-(2,5-dioxopyrrolidin-1-yl)benzamide1172742-02-7C16H16N4O3
- 6-Amino-4-(3,4-dimethoxyphenyl)-3-methyl-2,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile311333-59-2C16H16N4O3
- 2-Methoxy-N-(3-(6-methoxyimidazo[1,2-b]pyridazin-2-yl)phenyl)acetamide953240-75-0C16H16N4O3
- N-(Benzo[d][1,3]dioxol-5-yl)-6-(pyrrolidin-1-yl)pyridazine-3-carboxamide1396784-86-3C16H16N4O3
- L-Histidine 7-amido-4-methylcoumarin191723-64-5C16H16N4O3
- 6-Cyclopropyl-3-(1,3,5-trimethyl-1H-pyrazol-4-yl)isoxazolo[5,4-b]pyridine-4-carboxylic acid1172933-01-5C16H16N4O3
- 6-Amino-4-(2,5-dimethoxyphenyl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile132814-01-8C16H16N4O3
- N'-[4-(Dimethylamino)benzylidene]-4-nitrobenzhydrazide301326-93-2C16H16N4O3
- 2'-(Cyclopropanecarboxamido)-5-methoxy-[3,4'-bipyridine]-6-carboxamide1702428-65-6C16H16N4O3
- 2'-(Cyclopropanecarboxamido)-4-methoxy-[2,4'-bipyridine]-5-carboxamide1702428-66-7C16H16N4O3
- 9(10H)-Acridinone, 4-((2-aminoethyl)amino)-10-methyl-1-nitro-148902-86-7C16H16N4O3
- Benzimidazole, 1-butyl-2-(5-nitro-2-furfurylidenamino)-5656-09-7C16H16N4O3
- 4-[5-(3,4,5-Trimethoxyphenyl)-2H-1,2,4-triazol-3-yl]pyridine620934-45-4C16H16N4O3
- N-(4-Nitrophenyl)-4-(pyrrolidin-1-yl)pyridine-2-carboxamide66933-53-7C16H16N4O3
- 6-Amino-1-benzyl-5-[(furan-2-ylmethyl)amino]-1,2,3,4-tetrahydropyrimidine-2,4-dione726165-23-7C16H16N4O3
- 3-[3-(3,4,5-Trimethoxyphenyl)-1H-1,2,4-triazol-5-yl]pyridine620934-38-5C16H16N4O3
- 6-Amino-4-(2,4-dimethoxyphenyl)-3-methyl-1,4-dihydropyrano[2,3-c]pyrazole-5-carbonitrile89607-46-5C16H16N4O3
- N-(Furan-2-ylmethyl)-4-(4-oxo-1,2,3-benzotriazin-3-yl)butanamide440331-27-1C16H16N4O3
- (E)-N'-(4-(Dimethylamino)-3-nitrobenzylidene)benzohydrazide325471-84-9C16H16N4O3
- 5-(3-Cyclopropyl-1H-pyrazol-5-yl)-3-(2,4-dimethoxyphenyl)-1,2,4-oxadiazole1189316-32-2C16H16N4O3
- tert-Butyl (4-((6-cyanopyrimidin-4-yl)oxy)phenyl)carbamate943313-34-6C16H16N4O3
- 3-(3-(Benzo[d][1,3]dioxol-5-yl)imidazo[1,2-b]pyridazin-6-ylamino)propan-1-ol1012344-08-9C16H16N4O3
- 2-(Benzooxazol-2-ylamino)-4,6-dimethyl-pyrimidine-5-carboxylic acid ethyl ester669752-04-9C16H16N4O3
- 2-{5-Methyl-7-oxo-4H,7H-[1,2,4]triazolo[1,5-a]pyrimidin-6-yl}ethyl 2-methylbenzoate860611-12-7C16H16N4O3
- Ethyl 7-amino-2-(4-methoxyphenyl)pyrazolo[1,5-a]pyrimidine-6-carboxylate698977-05-8C16H16N4O3
- [4-(4-Nitrophenyl)piperazin-1-yl]-pyridin-4-ylmethanone519003-77-1C16H16N4O3
- 2H-1-Benzopyran-2-one, 7-methoxy-6-(3-methyl-2-butenyl)-3-(1H-tetrazol-5-yl)-76239-48-0C16H16N4O3
- 4-[(1-Ethylpyrazolo[3,4-b]quinolin-3-yl)amino]-4-oxobutanoic acid876667-29-7C16H16N4O3
- 2-[(2-Methoxyphenyl)methylamino]-4,6-dimethyl-5-nitropyridine-3-carbonitrile304875-55-6C16H16N4O3
- 2-(1,3-Dimethyl-2,4-dioxo-5-phenylpyrrolo[3,4-d]pyrimidin-6-yl)acetamide878424-71-6C16H16N4O3
- 1H-Benzimidazole-1-methanamine, N-(4-ethoxyphenyl)-6-nitro-103248-26-6C16H16N4O3
- Benzenepropanoic acid, beta-((2,5-dimethyloxazolo(5,4-d)pyrimidin-7-yl)amino)-102248-99-7C16H16N4O3
- Methyl 8-(4-methoxyphenyl)-4,7-dimethylpyrazolo[5,1-c][1,2,4]triazine-3-carboxylate896669-21-9C16H16N4O3
- 5-(Furan-2-yl)-N-(2-hydroxyethyl)-1-(4-methylphenyl)-1H-1,2,3-triazole-4-carboxamide950242-59-8C16H16N4O3
- 5-Methyl-1-{[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]methyl}-1H-1,2,3-triazole-4-carboxylic acid1223881-92-2C16H16N4O3
- 2-Amino-8-(tetrahydro-2-furanylmethyl)pyrido[4,3-b][1,6]naphthyridine-1,9(2H,8H)-dione1209752-47-5C16H16N4O3
- N-{[5-(Furan-2-yl)-1-methyl-1H-pyrazol-3-yl]methyl}-1-methyl-2-oxo-1,2-dihydropyridine-3-carboxamide1421459-20-2C16H16N4O3
- 2-(1-(Pyrazine-2-carbonyl)azetidin-3-yl)-3a,4,7,7a-tetrahydro-1H-isoindole-1,3(2H)-dione1787879-68-8C16H16N4O3
- 2-[3-(3,4,5-Trimethoxyphenyl)-1H-1,2,4-triazol-5-yl]pyridine620934-29-4C16H16N4O3
- N-(1,5-Dimethyl-3-oxo-2-phenylpyrazol-4-yl)-5-methyl-1,2-oxazole-3-carboxamide895935-47-4C16H16N4O3
- Pyrimido(4,5-d)pyrimidine-2,4,5(1H,3H,6H)-trione, 6-(2-methylphenyl)-1,3,7-trimethyl-64467-34-1C16H16N4O3
- (4-Morpholin-4-ylphenyl)(4-nitrophenyl)diazene100848-21-3C16H16N4O3
- N-{1-[1-(Carbamoylmethyl)-1H-1,3-benzodiazol-2-yl]ethyl}furan-2-carboxamide955318-39-5C16H16N4O3
- 2-(Benzo[d]isoxazol-3-yl)-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)acetamide1211756-51-2C16H16N4O3
- 5-Cyclopropyl-N-((5-(furan-2-yl)-1-methyl-1H-pyrazol-3-yl)methyl)isoxazole-3-carboxamide1421513-77-0C16H16N4O3
- 2-(Benzo[d]isoxazol-3-yl)-N-(1-(tetrahydrofuran-3-yl)-1H-pyrazol-4-yl)acetamide1797317-95-3C16H16N4O3
- 3-[3-(2-Methoxyethyl)-1,2,4-oxadiazol-5-yl]-1-(4-methylphenyl)pyridazin-4(1H)-one1708251-32-4C16H16N4O3
- N-[2-(2-Furyl)ethyl]-3-(4-oxo-4H-pyrido[2,1-c][1,2,4]triazin-3-yl)propanamide1574401-04-9C16H16N4O3
- Methyl 4-((2-(1H-imidazo[1,2-b]pyrazol-1-yl)ethyl)carbamoyl)benzoate1797086-03-3C16H16N4O3
- 1-(1-(2-(1H-Benzo[d]imidazol-1-yl)acetyl)azetidin-3-yl)pyrrolidine-2,5-dione2034491-80-8C16H16N4O3
- 5-Methyl-N-(4-oxo-1,2,3,3a,4,5-hexahydropyrrolo[1,2-a]quinoxalin-2-yl)isoxazole-3-carboxamide2034200-46-7C16H16N4O3
Frequently asked questions
What is the molar mass of C16H16N4O3?
The molar mass of C16H16N4O3 is 312.33 g/mol, calculated from standard atomic weights for 16 carbon atoms, 16 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 312.1222 Da.
How many compounds have the formula C16H16N4O3?
CompoundList lists 238 compounds with the molecular formula C16H16N4O3, including 3-(6-Amino-1-benzyl-3-ethyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidin-5-yl)-3-oxopropanenitrile, Ethyl 1-ethyl-2-imino-5-oxo-1,5-dihydro-2H-dipyrido[1,2-A:2,3-D]pyrimidine-3-carboxylate, 7-Amino-1-benzyl-3-ethyl-1H,2H,3H,4H,5H,8H-pyrido[2,3-d]pyrimidine-2,4,5-trione. 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 C16H16N4O3?
C16H16N4O3 has a degree of unsaturation of 11. 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.