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 1 to 100 of 387 compounds
Valyltryptophan
CAS 24587-37-9C16H21N3O3
RefChem:382294
CAS 17994-62-6C16H21N3O3
![3-[4-(2-Methoxyphenyl)piperazin-1-yl]-1-methylpyrrolidine-2,5-dione chemical structure, C16H21N3O3, CAS 299949-39-6](/s/NGTHSYDHCFTZHM-UHFFFAOYSA-N.svg)
3-[4-(2-Methoxyphenyl)piperazin-1-yl]-1-methylpyrrolidine-2,5-dione
CAS 299949-39-6C16H21N3O3
N(6)-((indol-3-yl)acetyl)-L-lysine
CAS 17929-68-9C16H21N3O3
![3-[4-(4-Methoxyphenyl)piperazin-1-yl]-1-methylpyrrolidine-2,5-dione chemical structure, C16H21N3O3, CAS 350707-97-0](/s/KBJJQBKFWULGRQ-UHFFFAOYSA-N.svg)
3-[4-(4-Methoxyphenyl)piperazin-1-yl]-1-methylpyrrolidine-2,5-dione
CAS 350707-97-0C16H21N3O3
Zolmitriptan N-oxide
CAS 251451-30-6C16H21N3O3
Trp-Val
CAS 24613-12-5C16H21N3O3
tert-Butyl 4-(5-cyanopyridin-2-yloxy)piperidine-1-carboxylate
CAS 194668-38-7C16H21N3O3
N-(2,4-Dimethylphenyl)-2-(4-ethyl-2,3-dioxopiperazin-1-yl)acetamide
CAS 868680-36-8C16H21N3O3
![1-{[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine chemical structure, C16H21N3O3, CAS 767322-73-6](/s/BDDVVUNQZCWVRD-UHFFFAOYSA-N.svg)
1-{[3-(3,4-Dimethoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine
CAS 767322-73-6C16H21N3O3
2,4(3H,5H)-Pyrimidinedione, 5,5-diethyl-6-((2-(4-hydroxyphenyl)ethyl)amino)-
CAS 105891-75-6C16H21N3O3
![3-(3,4,5-Trimethoxyphenyl)-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepine chemical structure, C16H21N3O3, CAS 326034-30-4](/s/OBJZSFBPDCYSNJ-UHFFFAOYSA-N.svg)
3-(3,4,5-Trimethoxyphenyl)-6,7,8,9-tetrahydro-5H-[1,2,4]triazolo[4,3-a]azepine
CAS 326034-30-4C16H21N3O3
6-Methoxy-7-(3-(pyrrolidin-1-yl)propoxy)quinazolin-4-ol
CAS 199327-75-8C16H21N3O3
![tert-Butyl N-[(1S)-1-[(cyanomethyl)carbamoyl]-2-phenylethyl]carbamate chemical structure, C16H21N3O3, CAS 109924-24-5](/s/OYGWLRRBJCSNDB-ZDUSSCGKSA-N.svg)
tert-Butyl N-[(1S)-1-[(cyanomethyl)carbamoyl]-2-phenylethyl]carbamate
CAS 109924-24-5C16H21N3O3
N1-(3-(2-oxopyrrolidin-1-yl)propyl)-N2-(o-tolyl)oxalamide
CAS 898375-85-4C16H21N3O3
![Acetamide, N-[3-[[2-(2,5-dioxo-1-pyrrolidinyl)ethyl]ethylamino]phenyl]- chemical structure, C16H21N3O3, CAS 27550-64-7](/s/QNRQNXKUSKBAET-UHFFFAOYSA-N.svg)
Acetamide, N-[3-[[2-(2,5-dioxo-1-pyrrolidinyl)ethyl]ethylamino]phenyl]-
CAS 27550-64-7C16H21N3O3
Morpholin-4-yl 4-(phenylcarbonyl)piperazinyl ketone
CAS 333749-19-2C16H21N3O3
1-tert-Butyl-N-(4-carbamoylphenyl)-5-oxopyrrolidine-3-carboxamide
CAS 887675-86-7C16H21N3O3
N-(2,3-Dimethylphenyl)-2-(4-ethyl-2,3-dioxopiperazin-1-yl)acetamide
CAS 868680-35-7C16H21N3O3
4-(4,4-Dimethyl-2,5-dioxoimidazolidin-1-yl)-N-(4-methylphenyl)butanamide
CAS 878910-21-5C16H21N3O3
4-(6,7-Dimethoxy-quinoxalin-2-ylamino)-cyclohexanol
CAS 216699-96-6C16H21N3O3
![Ethyl 2-[4-(4-isopropylphenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]acetate chemical structure, C16H21N3O3, CAS 860785-28-0](/s/PMGXXOLRKSEWCU-UHFFFAOYSA-N.svg)
Ethyl 2-[4-(4-isopropylphenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]acetate
CAS 860785-28-0C16H21N3O3
![N-[2-(Dimethylamino)-2-(4-methoxyphenyl)ethyl]-5-methyl-1,2-oxazole-3-carboxamide chemical structure, C16H21N3O3, CAS 877981-89-0](/s/FHKPHOJPBNFSJB-UHFFFAOYSA-N.svg)
N-[2-(Dimethylamino)-2-(4-methoxyphenyl)ethyl]-5-methyl-1,2-oxazole-3-carboxamide
CAS 877981-89-0C16H21N3O3
![2,2-Dimethyl-6-(4-methyl-piperazine-1-carbonyl)-4H-benzo[1,4]oxazin-3-one chemical structure, C16H21N3O3, CAS 604758-59-0](/s/MNWJJLMQRHVBGZ-UHFFFAOYSA-N.svg)
2,2-Dimethyl-6-(4-methyl-piperazine-1-carbonyl)-4H-benzo[1,4]oxazin-3-one
CAS 604758-59-0C16H21N3O3
- 1-(Cyclopentylcarbonyl)-4-{4-nitrophenyl}piperazine354551-27-2C16H21N3O3
- 3,3-Dimethyl-1-(2-morpholin-4-yl-2-oxoethyl)-4H-quinoxalin-2-one342390-29-8C16H21N3O3
- (4-Cyclopentylpiperazin-1-yl)(4-nitrophenyl)methanone423746-42-3C16H21N3O3
- 3-[4-(2-Hydroxyethyl)piperazin-1-yl]-1-phenylpyrrolidine-2,5-dione21621-58-9C16H21N3O3
- 1-(3-Methoxyphenyl)-3-(4-methylpiperazin-1-yl)pyrrolidine-2,5-dione333398-57-5C16H21N3O3
- 6-(3-Ethyl-4-methyl-phenylamino)-3-(3-hydroxy-propyl)-1H-pyrimidine-2,4-dione230630-81-6C16H21N3O3
- 3-(2,4-Dioxo-1H-quinazolin-3-yl)-N-pentylpropanamide688773-78-6C16H21N3O3
- (Z)-N-(4-(Dimethylamino)phenyl)-4-morpholino-4-oxobut-2-enamide620543-30-8C16H21N3O3
- 5,7-Dimethyl-2-(3-nitrophenyl)-1,3-diazaadamantan-6-ol332392-62-8C16H21N3O3
- N-Allyl-2-(4-(4-methoxyphenyl)piperazin-1-yl)-2-oxoacetamide941921-31-9C16H21N3O3
- 4-(Oxolane-2-carbonyl)-N-phenylpiperazine-1-carboxamide827006-32-6C16H21N3O3
- 1-(3-Benzoylimidazolidin-1-yl)-2-morpholin-4-ylethanone299198-92-8C16H21N3O3
- N-(3,4-Dimethoxyphenethyl)-1,3-dimethyl-1H-pyrazole-4-carboxamide1052632-33-3C16H21N3O3
- N-(2-(Cyclohex-1-en-1-yl)ethyl)-2-(cyclopropanecarboxamido)oxazole-4-carboxamide1351659-47-6C16H21N3O3
- N-((1-(Furan-2-ylmethyl)piperidin-4-yl)methyl)-5-methylisoxazole-3-carboxamide1210143-27-3C16H21N3O3
- N-[1-(4-Methoxyphenyl)-5-oxopyrrolidin-3-yl]pyrrolidine-1-carboxamide894025-39-9C16H21N3O3
- Bamaquimast135779-82-7C16H21N3O3
- 2-Ethyl-N-(2-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)ethyl)butanamide946263-53-2C16H21N3O3
- 2 suppliers6-Methoxy-7-((1-methylpiperidin-4-yl)methoxy)quinazolin-4(3H)-one264208-69-7C16H21N3O3
- 2-(4-Ethyl-2,3-dioxopiperazin-1-yl)-N-phenethylacetamide868965-11-1C16H21N3O3
- 2,5-Dimethoxy-N-[3-methyl-1-(propan-2-yl)-1H-pyrazol-5-yl]benzamide1172373-58-8C16H21N3O3
- (S)-tert-Butyl (1-amino-3-(1H-indol-3-yl)-1-oxopropan-2-yl)carbamate62549-92-2C16H21N3O3
- N-Cyclopropyl-2-[4-(4-methoxyphenyl)piperazin-1-yl]-2-oxoacetamide941999-39-9C16H21N3O3
- (1-(6,7-Dimethoxyquinazolin-4-yl)piperidin-4-yl)methanol89151-35-9C16H21N3O3
- 3-Methoxy-N-(2-methoxy-2-(o-tolyl)ethyl)-1-methyl-1H-pyrazole-4-carboxamide1797027-57-6C16H21N3O3
- Ethyl 3-{[(1E)-(dimethylamino)methylene]amino}-5-methoxy-1-methyl-1H-indole-2-carboxylate1217885-75-0C16H21N3O3
- 5-Phenyl-1H-pyrazole-3-carboxylic acid bis-(2-hydroxy-propyl)-amide1446419-26-6C16H21N3O3
- tert-Butyl 2'-oxo-1',2'-dihydrospiro[piperidine-4,3'-pyrrolo[2,3-b]pyridine]-1-carboxylate885031-86-7C16H21N3O3
- 1,1-Dimethylethyl N-[2-amino-1-(1H-indol-3-ylmethyl)-2-oxoethyl]carbamate54503-12-7C16H21N3O3
- tert-Butyl (2-((2-aminoquinolin-4-yl)oxy)ethyl)carbamate1085412-36-7C16H21N3O3
- tert-Butyl 3-(2-oxo-1,2,3,4-tetrahydroquinazolin-3-yl)azetidine-1-carboxylate1389315-14-3C16H21N3O3
- 3-(4-Methoxyphenyl)-N-(3-methoxypropyl)-1-methyl-1H-pyrazole-5-carboxamide1017702-66-7C16H21N3O3
- 1-Acetyl-L-prolyl-L-phenylalaninamide60240-12-2C16H21N3O3
- 2-(3,4-Dimethoxyphenyl)-N-(1-isopropyl-1H-pyrazol-4-yl)acetamide2306641-13-2C16H21N3O3
- 2-(2-Hydroxyphenyl)-4-(3-(1-pyrrolidinyl)propyl)-4H-1,3,4-oxadiazin-5(6H)-one53995-45-2C16H21N3O3
- H-Lys-AMC acetate salt92605-76-0C16H21N3O3
- 5-Butoxy-N-(2-hydroxyethyl)-1-phenyl-1H-pyrazole-3-carboxamide55228-51-8C16H21N3O3
- 1H-Pyridazino(1,2-a)(1,2,5)triazepine-1,5(2H)-dione, hexahydro-3-(4-ethoxyphenyl)-69405-19-2C16H21N3O3
- 1-(4-Methoxyphenyl)-3-(4-methylpiperazin-1-yl)pyrrolidine-2,5-dione98708-34-0C16H21N3O3
- tert-Butyl 4-(1,3-benzoxazol-2-yl)piperazine-1-carboxylate195390-64-8C16H21N3O3
- 4-(3-Cyano-pyridin-2-yloxy)-piperidine-1-carboxylic acid tert-butyl ester1065484-09-4C16H21N3O3
- tert-Butyl 4-[(4-cyano-2-pyridinyl)oxy]tetrahydro-1(2H)-pyridinecarboxylate1065484-24-3C16H21N3O3
- 1-(4-(4-(Hydroxymethyl)piperidin-1-yl)phenyl)dihydropyrimidine-2,4(1H,3H)-dione2736510-38-4C16H21N3O3
- 3-(3-Methoxypropyl)-3,4,7,12-tetrahydro-1H-(1,2,5)triazepino(1,2-b)phthalazine-1,5(2H)-dione81215-73-8C16H21N3O3
- Benzyl 4-(2-oxoimidazolidin-1-yl)piperidine-1-carboxylate72349-01-0C16H21N3O3
- 2,2-Dimethyl-3-[(4-pyridin-2-ylpiperazin-1-yl)-carbonyl]cyclopropanecarboxylic acid1142214-71-8C16H21N3O3
- 1-Ethyl-3-((4-morpholinophenyl)amino)pyrrolidine-2,5-dione1007926-02-4C16H21N3O3
- 3-Hydroxy-N'-[(2E)-4-oxo-4-(piperidin-1-yl)butan-2-ylidene]benzohydrazide5750-69-6C16H21N3O3
- 1-Piperazinepropanoic acid, 4-(1,2-benzisoxazol-3-ylalpha,alpha-dimethyl-913611-65-1C16H21N3O3
- 2-[2-(1-Hydroxypropyl)-1H-benzimidazol-1-yl]-1-(morpholin-4-yl)ethanone890640-91-2C16H21N3O3
- 1-[4-(Acetylamino)phenyl]-5-oxo-N-(propan-2-yl)pyrrolidine-3-carboxamide905181-46-6C16H21N3O3
- 2-[2-(Methoxymethyl)-1H-1,3-benzodiazol-1-yl]-N-[(oxolan-2-yl)methyl]acetamide955303-58-9C16H21N3O3
- 3-(5-Oxo-1-phenylpyrrolidin-3-yl)-1-[(oxolan-2-yl)methyl]urea894005-27-7C16H21N3O3
- 4-[2-[2-Ethyl-4-methyl-6-oxo-1,6-dihydro-1-pyrimidinyl]ethoxy]benzylhydroxylamine199114-41-5C16H21N3O3
- Ethyl 4-oxo-1-phenyl-1,3,8-triazaspiro[4.5]decane-8-carboxylate83929-35-5C16H21N3O3
- tert-Butyl 3-(benzo[d]oxazol-2-ylamino)pyrrolidine-1-carboxylate1353958-77-6C16H21N3O3
- 1-Morpholin-4-yl-7-(4-nitrophenyl)-7-azabicyclo[4.1.0]heptane1785763-62-3C16H21N3O3
- tert-Butyl 5-amino-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate2384574-97-2C16H21N3O3
- tert-Butyl 6-amino-2-oxospiro[indoline-3,3'-pyrrolidine]-1'-carboxylate2256070-82-1C16H21N3O3
- tert-Butyl 2'-oxo-2',3'-dihydrospiro{piperidine-4,1'-pyrrolo[3,2-c]pyridine}-1-carboxylate2251053-59-3C16H21N3O3
- 2-(Bis(pyridin-2-ylmethyl)amino)-2-(hydroxymethyl)propane-1,3-diol1595210-11-9C16H21N3O3
- 3-(6-(4-(Hydroxymethyl)piperidin-1-yl)pyridin-3-yl)piperidine-2,6-dione2649400-15-5C16H21N3O3
- (2S)-2-[2-(1H-Indol-3-yl)ethylcarbamoylamino]-3-methylbutanoic acid956045-60-6C16H21N3O3
- N,N-Bis(2-cyanoethyl)-1,7,7-trimethyl-2-oxo-3-oxabicyclo[2.2.1]heptane-4-carboxamide613658-62-1C16H21N3O3
- [(1-Cyano-1,2-dimethylpropyl)carbamoyl]methyl 2-(methylamino)benzoate877827-69-5C16H21N3O3
- N-(3-Isopropoxypropyl)-7-methyl-4-oxo-4H-pyrido[1,2-a]pyrimidine-3-carboxamide896013-69-7C16H21N3O3
- 3-(4-Cyano-pyridin-2-yloxy)-piperidine-1-carboxylic acid tert-butyl ester1065484-26-5C16H21N3O3
- 1-(1-Cyclopropyl-5-oxopyrrolidin-3-yl)-3-(4-methoxybenzyl)urea1396878-90-2C16H21N3O3
- 1-Methyl-4-[4-(pyridin-3-yloxy)piperidine-1-carbonyl]pyrrolidin-2-one1421507-63-2C16H21N3O3
- Spiro[piperidine-4,3'-[3H]pyrrolo[3,2-b]pyridine]-1-carboxylic acid, 1',2'-dihydro-2'-oxo-, 1,1-dimethylethyl ester1290625-80-7C16H21N3O3
- tert-Butyl 2-oxospiro[1H-pyrrolo[2,3-c]pyridine-3,4'-piperidine]-1'-carboxylate1603067-54-4C16H21N3O3
- Urea, 1-(2-morpholinoacetyl)-3-(1-indanyl)-6520-73-6C16H21N3O3
- Indole-2-carboxamide, N-(3-(dimethylamino)propyl)-3-formyl-5-methoxy-28837-79-8C16H21N3O3
- Glutaramic acid, 4-amino-N-(1-(3-indolyl)-2-propyl)-, (+)-(L)-12672-63-8C16H21N3O3
- 4-Methyl-5-(2-morpholinoacetyl)-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-2-one118536-74-6C16H21N3O3
- N-[1-(2,5-Dimethoxyphenyl)ethyl]-1-ethyl-1H-pyrazole-3-carboxamide942752-41-2C16H21N3O3
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 Valyltryptophan, RefChem:382294, 3-[4-(2-Methoxyphenyl)piperazin-1-yl]-1-methylpyrrolidine-2,5-dione. 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.