Molecular formula
C16H21N3O3
387 compounds have this formula on CompoundList.
- Molar mass
- 303.36g/mol
- Monoisotopic mass
- 309.1960Da
- Atoms
- 43
- Elements
- 4
- Rings plus double bonds
- 8
The formula C16H21N3O3 describes a molecule made of 16 carbon atoms, 21 hydrogen atoms, 3 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 × 1663.35%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 216.98%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 313.85%14.007 × 3 = 42.021 g/mol
- O Oxygen × 315.82%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C16H21N3O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 387 of 387 compounds
tert-Butyl 2-(((3-cyanopyridin-2-yl)oxy)methyl)pyrrolidine-1-carboxylate
CAS 1420902-70-0C16H21N3O3
![2-[Methyl[6-[4-(1-methylethoxy)phenoxy]-4-pyrimidinyl]amino]ethanol chemical structure, C16H21N3O3, CAS 607723-71-7](/s/YEQVPBAUFYCOAL-UHFFFAOYSA-N.svg)
2-[Methyl[6-[4-(1-methylethoxy)phenoxy]-4-pyrimidinyl]amino]ethanol
CAS 607723-71-7C16H21N3O3
![tert-Butyl N-[(3-ethyl-1,2,4-oxadiazol-5-yl)(phenyl)methyl]carbamate chemical structure, C16H21N3O3, CAS 2109089-52-1](/s/ZHTOYFYXLBGMQY-UHFFFAOYSA-N.svg)
tert-Butyl N-[(3-ethyl-1,2,4-oxadiazol-5-yl)(phenyl)methyl]carbamate
CAS 2109089-52-1C16H21N3O3
N-(3-Isopropyl-2-oxoindolin-5-yl)morpholine-4-carboxamide
CAS 1326636-40-1C16H21N3O3
1-(3,3-Dimethyl-2-oxoindolin-5-yl)-3-(tetrahydro-2H-pyran-4-yl)urea
CAS 1327067-55-9C16H21N3O3
![Benzyl 5-oxo-1,4,8-triazaspiro[5.5]undecane-8-carboxylate chemical structure, C16H21N3O3, CAS 2021183-13-9](/s/GWYURLQJDYORNA-UHFFFAOYSA-N.svg)
Benzyl 5-oxo-1,4,8-triazaspiro[5.5]undecane-8-carboxylate
CAS 2021183-13-9C16H21N3O3
![tert-Butyl 3-[(4-amino-1H-pyrazol-1-yl)methyl]-4-methoxybenzoate chemical structure, C16H21N3O3, CAS 1946817-54-4](/s/FCPVBVGVNSFJLL-UHFFFAOYSA-N.svg)
tert-Butyl 3-[(4-amino-1H-pyrazol-1-yl)methyl]-4-methoxybenzoate
CAS 1946817-54-4C16H21N3O3
![2-[1-(Ethoxyamino)butylidene]-5-(pyrimidin-5-yl)cyclohexane-1,3-dione chemical structure, C16H21N3O3, CAS 85383-94-4](/s/HEZJBXMBIMARSK-CPNJWEJPSA-N.svg)
2-[1-(Ethoxyamino)butylidene]-5-(pyrimidin-5-yl)cyclohexane-1,3-dione
CAS 85383-94-4C16H21N3O3
(3E,6R,10S)-6-Amino-10-methyl-5,6,7,8,9,10,11,12-octahydro-2H-1,8,11-benzoxadiazacyclotetradecine-7,12-dione
CAS 2241107-42-4C16H21N3O3
(3E,6S,10S)-6-Amino-10-methyl-5,6,7,8,9,10,11,12-octahydro-2H-1,8,11-benzoxadiazacyclotetradecine-7,12-dione
CAS 2241107-31-1C16H21N3O3
![Methyl 2,3-dihydro-2-oxo-3-(piperidin-4-yl)-1H-benzo[d]imidazol-1-propanoate chemical structure, C16H21N3O3, CAS 766453-16-1](/s/BELNKJZYUYPIFV-UHFFFAOYSA-N.svg)
Methyl 2,3-dihydro-2-oxo-3-(piperidin-4-yl)-1H-benzo[d]imidazol-1-propanoate
CAS 766453-16-1C16H21N3O3
tert-Butyl (2-(4-(4-hydroxyphenyl)-1H-pyrazol-1-yl)ethyl)carbamate
CAS 2990092-98-1C16H21N3O3
tert-Butyl (2-(4-(2-hydroxyphenyl)-1H-pyrazol-1-yl)ethyl)carbamate
CAS 2988478-38-0C16H21N3O3
![Spiro[piperidine-3,3a(2)-[3H]pyrrolo[2,3-b]pyridine]-1-carboxylic acid, 1a(2),2a(2)-dihydro-2a(2)-oxo-, 1,1-dimethylethyl ester chemical structure, C16H21N3O3, CAS 1341039-45-9](/s/MKXGJWOKAIXUMM-UHFFFAOYSA-N.svg)
Spiro[piperidine-3,3a(2)-[3H]pyrrolo[2,3-b]pyridine]-1-carboxylic acid, 1a(2),2a(2)-dihydro-2a(2)-oxo-, 1,1-dimethylethyl ester
CAS 1341039-45-9C16H21N3O3
![tert-Butyl N-[6-(aminomethyl)pyridin-3-yl]-N-[(furan-2-yl)methyl]carbamate chemical structure, C16H21N3O3, CAS 2172397-10-1](/s/KXTQCVVPPDEBRY-UHFFFAOYSA-N.svg)
tert-Butyl N-[6-(aminomethyl)pyridin-3-yl]-N-[(furan-2-yl)methyl]carbamate
CAS 2172397-10-1C16H21N3O3
![Methyl 5-({[2-(benzyloxy)ethyl]amino}methyl)-1-methyl-1H-pyrazole-3-carboxylate chemical structure, C16H21N3O3, CAS 2172233-28-0](/s/IKTDODIHOUCVRM-UHFFFAOYSA-N.svg)
Methyl 5-({[2-(benzyloxy)ethyl]amino}methyl)-1-methyl-1H-pyrazole-3-carboxylate
CAS 2172233-28-0C16H21N3O3
![5-({[1-(Benzyloxy)propan-2-yl]amino}methyl)-1-methyl-1H-pyrazole-3-carboxylic acid chemical structure, C16H21N3O3, CAS 2172013-01-1](/s/OVQIYTPQOSGERS-UHFFFAOYSA-N.svg)
5-({[1-(Benzyloxy)propan-2-yl]amino}methyl)-1-methyl-1H-pyrazole-3-carboxylic acid
CAS 2172013-01-1C16H21N3O3
![tert-Butyl N-[4-(1H-1,3-benzodiazol-2-yl)-1-oxobutan-2-yl]carbamate chemical structure, C16H21N3O3, CAS 2228498-13-1](/s/QOTASFODRUXXTK-UHFFFAOYSA-N.svg)
tert-Butyl N-[4-(1H-1,3-benzodiazol-2-yl)-1-oxobutan-2-yl]carbamate
CAS 2228498-13-1C16H21N3O3
![tert-Butyl N-methyl-N-[1-(2-methyl-2H-indazol-3-yl)-2-oxoethyl]carbamate chemical structure, C16H21N3O3, CAS 2228805-58-9](/s/LUQZNOUXIVZRRD-UHFFFAOYSA-N.svg)
tert-Butyl N-methyl-N-[1-(2-methyl-2H-indazol-3-yl)-2-oxoethyl]carbamate
CAS 2228805-58-9C16H21N3O3
![tert-Butyl N-[2-(1-methyl-1H-indazol-3-yl)-1-oxopropan-2-yl]carbamate chemical structure, C16H21N3O3, CAS 2228932-24-7](/s/JQJJNSSORXYOGS-UHFFFAOYSA-N.svg)
tert-Butyl N-[2-(1-methyl-1H-indazol-3-yl)-1-oxopropan-2-yl]carbamate
CAS 2228932-24-7C16H21N3O3
![tert-Butyl N-[2-(1H-indazol-7-yl)-1-oxopropan-2-yl]-N-methylcarbamate chemical structure, C16H21N3O3, CAS 2228347-63-3](/s/GFKWKNHFQHMMFV-UHFFFAOYSA-N.svg)
tert-Butyl N-[2-(1H-indazol-7-yl)-1-oxopropan-2-yl]-N-methylcarbamate
CAS 2228347-63-3C16H21N3O3
![tert-Butyl N-methyl-N-[1-(1-methyl-1H-indazol-3-yl)-2-oxoethyl]carbamate chemical structure, C16H21N3O3, CAS 2228829-15-8](/s/JODHWEHRTLEYKE-UHFFFAOYSA-N.svg)
tert-Butyl N-methyl-N-[1-(1-methyl-1H-indazol-3-yl)-2-oxoethyl]carbamate
CAS 2228829-15-8C16H21N3O3
![tert-Butyl N-methyl-N-(1-{1-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl}-2-oxoethyl)carbamate chemical structure, C16H21N3O3, CAS 2228801-16-7](/s/LDZZXPNBLAYMGV-UHFFFAOYSA-N.svg)
tert-Butyl N-methyl-N-(1-{1-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl}-2-oxoethyl)carbamate
CAS 2228801-16-7C16H21N3O3
![tert-Butyl N-[2-(1-methyl-1H-1,3-benzodiazol-5-yl)-1-oxopropan-2-yl]carbamate chemical structure, C16H21N3O3, CAS 2228151-75-3](/s/VKSIPFJDIYIWDU-UHFFFAOYSA-N.svg)
tert-Butyl N-[2-(1-methyl-1H-1,3-benzodiazol-5-yl)-1-oxopropan-2-yl]carbamate
CAS 2228151-75-3C16H21N3O3
- tert-Butyl N-(2-{1-methyl-1H-pyrrolo[2,3-b]pyridin-3-yl}-1-oxopropan-2-yl)carbamate2229108-09-0C16H21N3O3
- tert-Butyl N-[2-(2-methyl-2H-indazol-3-yl)-1-oxopropan-2-yl]carbamate2228638-63-7C16H21N3O3
- tert-Butyl N-methyl-N-(1-oxo-2-{1H-pyrrolo[2,3-b]pyridin-3-yl}propan-2-yl)carbamate2228290-94-4C16H21N3O3
- tert-Butyl N-[1-(2-hydroxyethyl)-3-phenyl-1H-pyrazol-5-yl]carbamate2408975-16-4C16H21N3O3
- 3-[(Ethylamino)methyl]-5,6,7-trimethoxy-1-methyl-1H-indole-2-carbonitrile2172072-68-1C16H21N3O3
- tert-Butyl N-{4-[hydroxy(1-methyl-1H-imidazol-2-yl)methyl]phenyl}carbamate2273515-86-7C16H21N3O3
- 1-(Prop-2-enoyl)-N-(4,5,6,7-tetrahydro-1,3-benzoxazol-2-yl)piperidine-4-carboxamide2411257-09-3C16H21N3O3
- tert-Butyl N-(3-hydroxypropyl)-N-(quinazolin-4-yl)carbamate2413874-72-1C16H21N3O3
- tert-Butyl N-[(3-hydroxyphenyl)methyl]-N-(1-methyl-1H-pyrazol-4-yl)carbamate2413896-25-8C16H21N3O3
- tert-Butyl N-(2-{imidazo[1,2-a]pyridin-3-yl}-1-oxopropan-2-yl)-N-methylcarbamate2228710-29-8C16H21N3O3
- tert-Butyl N-(2-{imidazo[1,2-a]pyridin-2-yl}-1-oxopropan-2-yl)-N-methylcarbamate2229486-97-7C16H21N3O3
- tert-Butyl N-methyl-N-(1-oxo-2-{pyrazolo[1,5-a]pyridin-3-yl}propan-2-yl)carbamate2229080-28-6C16H21N3O3
- tert-Butyl N-methyl-N-[1-(1-methyl-1H-1,3-benzodiazol-5-yl)-2-oxoethyl]carbamate2229539-45-9C16H21N3O3
- tert-Butyl N-[2-(1H-1,3-benzodiazol-5-yl)-1-oxopropan-2-yl]-N-methylcarbamate2229336-97-2C16H21N3O3
- tert-Butyl N-[2-(1H-indazol-3-yl)-1-oxopropan-2-yl]-N-methylcarbamate2229145-39-3C16H21N3O3
- 5-({[3-(Benzyloxy)propyl]amino}methyl)-1-methyl-1H-pyrazole-3-carboxylic acid2171839-01-1C16H21N3O3
- tert-Butyl N-[6-(aminomethyl)pyridin-3-yl]-N-[(furan-3-yl)methyl]carbamate2172430-24-7C16H21N3O3
- 3-[(Ethylamino)methyl]-4,5,6-trimethoxy-1-methyl-1H-indole-2-carbonitrile2171964-98-8C16H21N3O3
- tert-Butyl 2-hydroxy-4-{[(1-methyl-1H-pyrazol-3-yl)methyl]amino}benzoate2639431-98-2C16H21N3O3
- tert-Butyl 2-hydroxy-4-{[(1-methyl-1H-pyrazol-5-yl)methyl]amino}benzoate2639415-47-5C16H21N3O3
- tert-Butyl 5-amino-1-(4-ethoxyphenyl)-1H-pyrazole-4-carboxylate2639442-36-5C16H21N3O3
- tert-Butyl 2-(piperazin-1-yl)-1,3-benzoxazole-5-carboxylate2639404-44-5C16H21N3O3
- tert-Butyl 2-(piperazin-1-yl)-1,3-benzoxazole-7-carboxylate2639443-89-1C16H21N3O3
- Benzyl N-[(1-ethyl-1H-pyrazol-5-yl)methyl]-N-(2-hydroxyethyl)carbamate2680712-68-7C16H21N3O3
- Benzyl N-[(1-ethyl-1H-pyrazol-4-yl)methyl]-N-(2-hydroxyethyl)carbamate2680789-96-0C16H21N3O3
- Benzyl N-{3-hydroxy-2-[(1-methyl-1H-pyrazol-4-yl)methyl]propyl}carbamate2680795-94-0C16H21N3O3
- Benzyl N-[4-hydroxy-2-(1-methyl-1H-imidazol-5-yl)butyl]carbamate2680690-74-6C16H21N3O3
- tert-Butyl N-(2-hydroxyphenyl)-N-[(1-methyl-1H-pyrazol-4-yl)methyl]carbamate2680879-78-9C16H21N3O3
- tert-Butyl N-(2-cyanopyridin-4-yl)-N-[(oxolan-2-yl)methyl]carbamate2680706-24-3C16H21N3O3
- Benzyl N-[2-hydroxy-2-(trimethyl-1H-pyrazol-4-yl)ethyl]carbamate2302483-85-6C16H21N3O3
- Benzyl N-[1-(2-hydroxy-2-methylpropyl)-5-methyl-1H-pyrazol-4-yl]carbamate2680707-74-6C16H21N3O3
- tert-Butyl N-[5-(4-hydroxy-3-methylphenyl)-1-methyl-1H-imidazol-2-yl]carbamate2913417-20-4C16H21N3O3
- tert-Butyl 3-[(5-cyano-2-oxo-1,2-dihydropyridin-1-yl)methyl]pyrrolidine-1-carboxylate2436556-17-9C16H21N3O3
- tert-Butyl 3-[(3-cyano-2-oxo-1,2-dihydropyridin-1-yl)methyl]pyrrolidine-1-carboxylate2446495-35-6C16H21N3O3
- tert-Butyl 3-[(4-cyano-2-oxo-1,2-dihydropyridin-1-yl)methyl]pyrrolidine-1-carboxylate2436556-24-8C16H21N3O3
- tert-Butyl 2-(1H-1,3-benzodiazol-2-yl)morpholine-4-carboxylate1356549-82-0C16H21N3O3
- tert-Butyl 3-(6-methoxy-1H-1,3-benzodiazol-2-yl)azetidine-1-carboxylate2448482-60-6C16H21N3O3
- Ethyl 3-{2-methyl-6-[(piperidin-4-yl)methoxy]pyrimidin-4-yl}prop-2-ynoate2445258-24-0C16H21N3O3
- Ethyl 3-{2-methyl-6-[(piperidin-3-yl)methoxy]pyrimidin-4-yl}prop-2-ynoate2443965-02-2C16H21N3O3
- N-tert-Butoxycarbonyl-2-(5-carbamoyl-1H-indol-3-yl)ethylamine467451-75-8C16H21N3O3
- tert-Butyl 2-(4-(3-amino-5-methoxyphenyl)-1H-pyrazol-1-yl)acetate3078397-02-8C16H21N3O3
- 3-(2-Methoxy-4-piperazin-1-yl-phenyl)piperidine-2,6-dione3027830-34-5C16H21N3O3
- tert-Butyl (2-(6-carbamoyl-1H-indol-3-yl)ethyl)carbamate467451-76-9C16H21N3O3
- 5-tert-Butyl-3-amino-2-methoxy-N-((oxazol-2-yl)methyl)benzamide1041053-39-7C16H21N3O3
- Ethyl 2-(4-(2-amino-5-isopropoxyphenyl)-1H-pyrazol-1-yl)acetate3078445-63-0C16H21N3O3
- 2-(4-Hydroxy-3-(1-(2-methoxyethyl)-1H-pyrazol-4-yl)phenyl)-N,N-dimethylacetamide3078574-47-4C16H21N3O3
- (4-Isopropylpiperazin-1-yl)(3-nitro-5-vinylphenyl)methanone3078550-44-1C16H21N3O3
- 2-[2-(1,2,3,4-Tetrahydroisoquinoline-2-carbonyl)morpholin-4-yl]acetamide3054427-42-5C16H21N3O3
- Ethyl 4-(2,3-dihydro-4-methyl-2-oxo-1H-benzo[d]imidazol-1-yl)-1-piperidinecarboxylate913196-01-7C16H21N3O3
- Propyl 4-(2,3-dihydro-2-oxo-1H-benzo[d]imidazol-1-yl)-1-piperidinecarboxylate2372420-79-4C16H21N3O3
- 1-(1-(2-Ethoxyacetyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one2327007-68-9C16H21N3O3
- 2-Methyl-8-(2-(2-oxopyridin-1(2H)-yl)acetyl)-2,8-diazaspiro[4.5]decan-3-one1394532-47-8C16H21N3O3
- (S)-tert-Butyl 3-((3-cyanopyridin-2-yl)oxy)piperidine-1-carboxylate1421034-18-5C16H21N3O3
- Spiro[piperidine-4,3'-[3H]pyrrolo[2,3-b]pyridine]-1'(2'H)-carboxylic acid,2'-oxo-,1,1-dimethylethyl ester883984-93-8C16H21N3O3
- tert-Butyl 4-amino-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate2382894-11-1C16H21N3O3
- tert-Butyl 7-amino-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate2385357-69-5C16H21N3O3
- Ethyl 5-(3-(dimethylamino)propanamido)-1H-indole-2-carboxylate2104035-80-3C16H21N3O3
- N-(1,3,3-Trimethyl-2-oxoindolin-5-yl)morpholine-4-carboxamide2343050-48-4C16H21N3O3
- Benzyl (3R,9aS)-3-methyl-4-oxooctahydro-2H-pyrazino[1,2-a]pyrazine-2-carboxylate2924019-57-6C16H21N3O3
- Furan-2-yl-[4-[(5-propan-2-yl-1,3-oxazol-4-yl)methyl]piperazin-1-yl]methanone2327368-82-9C16H21N3O3
- 1-[2-Methoxy-4-(4-piperidyl)phenyl]hexahydropyrimidine-2,4-dione3027839-58-0C16H21N3O3
- tert-Butyl 4-(3-cyano-2-oxo-1,2-dihydropyridin-1-yl)piperidine-1-carboxylate950196-60-8C16H21N3O3
- tert-Butyl 3-(4-amino-1-oxo-2,3-dihydro-1H-isoindol-2-yl)azetidine-1-carboxylate3033401-13-4C16H21N3O3
Frequently asked questions
What is the molar mass of C16H21N3O3?
The molar mass of C16H21N3O3 is 303.36 g/mol, calculated from standard atomic weights for 16 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 309.1960 Da.
How many compounds have the formula C16H21N3O3?
CompoundList lists 387 compounds with the molecular formula C16H21N3O3, including tert-Butyl 2-(((3-cyanopyridin-2-yl)oxy)methyl)pyrrolidine-1-carboxylate, 2-[Methyl[6-[4-(1-methylethoxy)phenoxy]-4-pyrimidinyl]amino]ethanol, tert-Butyl N-[(3-ethyl-1,2,4-oxadiazol-5-yl)(phenyl)methyl]carbamate. 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 C16H21N3O3?
C16H21N3O3 has a degree of unsaturation of 8. 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.