Molecular formula
C18H21NO2
611 compounds have this formula on CompoundList.
- Molar mass
- 283.37g/mol
- Monoisotopic mass
- 283.1572Da
- Atoms
- 42
- Elements
- 4
- Rings plus double bonds
- 9
The formula C18H21NO2 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom 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 × 1876.30%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 217.47%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 14.94%14.007 × 1 = 14.007 g/mol
- O Oxygen × 211.29%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C18H21NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 501 to 600 of 611 compounds
N-(1,1-Dimethyl-2-phenylethyl)-4-methoxybenzamide
CAS 875245-71-9C18H21NO2
1-(4-Cyclopropylidenepiperidin-1-yl)-4-phenylbutane-1,4-dione
CAS 2097913-71-6C18H21NO2
![tert-Butyl ([1,1'-biphenyl]-3-ylmethyl)carbamate chemical structure, C18H21NO2, CAS 2089126-07-6](/s/OYQQUMHZTUJDGF-UHFFFAOYSA-N.svg)
tert-Butyl ([1,1'-biphenyl]-3-ylmethyl)carbamate
CAS 2089126-07-6C18H21NO2
3-Oxime Estra-4,9,11-triene-3,17-dione
CAS 846-56-0C18H21NO2
![Spiro[5.5]undecane-2,4-dione, 3-[(phenylamino)methylene]- chemical structure, C18H21NO2, CAS 62370-48-3](/s/SLUACSVXIBVTJX-UHFFFAOYSA-N.svg)
Spiro[5.5]undecane-2,4-dione, 3-[(phenylamino)methylene]-
CAS 62370-48-3C18H21NO2
tert-Butyl Diphenylglycinate
CAS 1878187-69-9C18H21NO2
3,5-Dimethyl-2-(4-((tetrahydro-2H-pyran-2-yl)oxy)phenyl)pyridine
CAS 1401818-99-2C18H21NO2
![N-Methyl-N-[(2-propoxynaphthalen-1-yl)methyl]prop-2-enamide chemical structure, C18H21NO2, CAS 2411235-27-1](/s/BEQKHGCDQLUZBN-UHFFFAOYSA-N.svg)
N-Methyl-N-[(2-propoxynaphthalen-1-yl)methyl]prop-2-enamide
CAS 2411235-27-1C18H21NO2
![(S)-Methyl 3-amino-3-(2',6'-dimethyl-[1,1'-biphenyl]-4-yl)propanoate chemical structure, C18H21NO2, CAS 2749386-61-4](/s/QBZJJPBTUGWSRI-INIZCTEOSA-N.svg)
(S)-Methyl 3-amino-3-(2',6'-dimethyl-[1,1'-biphenyl]-4-yl)propanoate
CAS 2749386-61-4C18H21NO2
![(S)-Ethyl 2-amino-3-(3'-methyl-[1,1'-biphenyl]-3-yl)propanoate chemical structure, C18H21NO2, CAS 2748426-23-3](/s/OIDUKHQGINFDHC-KRWDZBQOSA-N.svg)
(S)-Ethyl 2-amino-3-(3'-methyl-[1,1'-biphenyl]-3-yl)propanoate
CAS 2748426-23-3C18H21NO2
![(S)-Ethyl 2-amino-3-(4'-methyl-[1,1'-biphenyl]-3-yl)propanoate chemical structure, C18H21NO2, CAS 2749443-59-0](/s/UTUKKWHPUOVHLY-KRWDZBQOSA-N.svg)
(S)-Ethyl 2-amino-3-(4'-methyl-[1,1'-biphenyl]-3-yl)propanoate
CAS 2749443-59-0C18H21NO2
![(R)-Ethyl 2-amino-3-(3'-methyl-[1,1'-biphenyl]-3-yl)propanoate chemical structure, C18H21NO2, CAS 2748553-62-8](/s/OIDUKHQGINFDHC-QGZVFWFLSA-N.svg)
(R)-Ethyl 2-amino-3-(3'-methyl-[1,1'-biphenyl]-3-yl)propanoate
CAS 2748553-62-8C18H21NO2
![(R)-Ethyl 2-amino-3-(4'-methyl-[1,1'-biphenyl]-3-yl)propanoate chemical structure, C18H21NO2, CAS 2748269-62-5](/s/UTUKKWHPUOVHLY-QGZVFWFLSA-N.svg)
(R)-Ethyl 2-amino-3-(4'-methyl-[1,1'-biphenyl]-3-yl)propanoate
CAS 2748269-62-5C18H21NO2
![(R)-Ethyl 2-amino-3-(2'-methyl-[1,1'-biphenyl]-3-yl)propanoate chemical structure, C18H21NO2, CAS 2349830-34-6](/s/KPKBBQCCRXEHPS-QGZVFWFLSA-N.svg)
(R)-Ethyl 2-amino-3-(2'-methyl-[1,1'-biphenyl]-3-yl)propanoate
CAS 2349830-34-6C18H21NO2
![(S)-Ethyl 3-amino-3-(3'-methyl-[1,1'-biphenyl]-4-yl)propanoate chemical structure, C18H21NO2, CAS 2748276-24-4](/s/QNDDXCRUVYJZMZ-KRWDZBQOSA-N.svg)
(S)-Ethyl 3-amino-3-(3'-methyl-[1,1'-biphenyl]-4-yl)propanoate
CAS 2748276-24-4C18H21NO2
![(S)-Ethyl 3-amino-3-(4'-methyl-[1,1'-biphenyl]-4-yl)propanoate chemical structure, C18H21NO2, CAS 2748476-71-1](/s/GLYIQJPIOOVJJZ-KRWDZBQOSA-N.svg)
(S)-Ethyl 3-amino-3-(4'-methyl-[1,1'-biphenyl]-4-yl)propanoate
CAS 2748476-71-1C18H21NO2
3-(2-Furanylmethyl)-1,2,3,4,5,6-hexahydro-6-methyl-2,6-methano-3-benzazocin-8-ol
CAS 39131-50-5C18H21NO2
17-(Hydroxyimino)estra-1(10),2,4,7-tetraen-3-ol
CAS 6030-81-5C18H21NO2
![{2-[(Morpholin-4-yl)methyl]phenyl}(phenyl)methanol chemical structure, C18H21NO2, CAS 24088-70-8](/s/YUVIZYGLHRTMPI-UHFFFAOYSA-N.svg)
{2-[(Morpholin-4-yl)methyl]phenyl}(phenyl)methanol
CAS 24088-70-8C18H21NO2
![N-(4'-Methoxy[1,1'-biphenyl]-2-yl)-2,2-dimethylpropanamide chemical structure, C18H21NO2, CAS 1243989-50-5](/s/KJHXXVJPIMCORQ-UHFFFAOYSA-N.svg)
N-(4'-Methoxy[1,1'-biphenyl]-2-yl)-2,2-dimethylpropanamide
CAS 1243989-50-5C18H21NO2
![(2R)-2-{[3-(Benzyloxy)phenoxy]methyl}pyrrolidine chemical structure, C18H21NO2, CAS 2002433-42-1](/s/CVILRJDSGVLERG-MRXNPFEDSA-N.svg)
(2R)-2-{[3-(Benzyloxy)phenoxy]methyl}pyrrolidine
CAS 2002433-42-1C18H21NO2
![1-(Cyclopropylmethyl)-2-{[(7-methoxynaphthalen-2-yl)oxy]methyl}aziridine chemical structure, C18H21NO2, CAS 2418732-44-0](/s/ZYZUAYUKAJFWFM-UHFFFAOYSA-N.svg)
1-(Cyclopropylmethyl)-2-{[(7-methoxynaphthalen-2-yl)oxy]methyl}aziridine
CAS 2418732-44-0C18H21NO2
N-Formyl atomoxetine
CAS 2376668-89-0C18H21NO2
Grc4FH9nva
CAS 3088027-72-6C18H21NO2
- N-(2,2-Dimethylpropyl)-3-phenoxybenzamide98992-37-1C18H21NO2
- N-tert-Butyl-2-(3-phenoxyphenyl)acetamide98992-38-2C18H21NO2
- N-(4-Ethoxyphenyl)-4-phenylbutanamide430464-32-7C18H21NO2
- 4-(Diphenylamino)butyl acetate227805-93-8C18H21NO2
- N-Methyl-4-(2-methylpropoxy)-N-phenylbenzamide896659-11-3C18H21NO2
- Phenol, 2-amino-4-(1-ethyl-2-(4-hydroxyphenyl)-1-butenyl)-, (E)-71113-08-1C18H21NO2
- 4-(1-Methylethoxy)-N-[(2-methylphenyl)methyl]benzamide1004084-81-4C18H21NO2
- 2-[4-(2-Phenylpropan-2-yl)phenoxy]propanamide70757-68-5C18H21NO2
- 1-{2-[(Dimethylamino)methyl]-4-methoxyphenyl}-2-phenylethan-1-one88317-75-3C18H21NO2
- Ethyl benzyl(2-ethylphenyl)carbamate88343-29-7C18H21NO2
- 1-(Diphenylamino)-3-[(prop-2-en-1-yl)oxy]propan-2-ol82073-87-8C18H21NO2
- 2-[(2-Benzylphenoxy)methyl]morpholine48189-52-2C18H21NO2
- 4-[4-(4-Methylphenoxy)piperidin-1-yl]phenol681509-04-6C18H21NO2
- 9-(Dimethylamino)-8-ethyl-9,10-dihydrophenanthrene-3,4-diol112060-08-9C18H21NO2
- 4-[3-(2-Aminophenyl)-propyl]benzoic acid ethylester186797-24-0C18H21NO2
- N-[4-(4-Hydroxyphenyl)-2-methylbutan-2-yl]benzamide226989-24-8C18H21NO2
- Methyl 3-(benzhydrylamino)butanoate168209-23-2C18H21NO2
- tert-Butyl 2-(benzylamino)benzoate951325-37-4C18H21NO2
- 4-[(4-Phenoxyphenoxy)methyl]piperidine946713-79-7C18H21NO2
- N-(Cyclopropylmethyl)-4-(2-phenoxyethoxy)aniline1040691-21-1C18H21NO2
- N-[3-(4-Phenoxyphenoxy)propyl]cyclopropanamine1038316-47-0C18H21NO2
- Ethyl 3-amino-2-({[1,1'-biphenyl]-4-yl}methyl)propanoate1038294-02-8C18H21NO2
- 3-((4-Methoxyphenyl)amino)-1,7-dimethyl-2,3-dihydro-1H-inden-4-ol1020963-30-7C18H21NO2
- Valsartan impurity 852429978-60-7C18H21NO2
- (2,4,6-Trimethylphenyl)methyl 3-(aminomethyl)benzoate89760-85-0C18H21NO2
- N-[(4-tert-Butylphenyl)methoxy]benzamide93949-93-0C18H21NO2
- N-[4-Methoxy-2-(propan-2-yl)phenyl]-N-phenylacetamide98322-87-3C18H21NO2
- (E)-1-(3,4-Dimethoxyphenyl)-N-(2,4,6-trimethylphenyl)methanimine114524-63-9C18H21NO2
- 1-(4-Methylphenyl)-7-(morpholin-4-yl)hepta-2,4,6-trien-1-one675598-39-7C18H21NO2
- N-(2,2-Dimethoxyethyl)-2,2-diphenylethen-1-amine666737-76-4C18H21NO2
- (1S,2R)-5,6-Dimethoxy-2-phenyl-1,2,3,4-tetrahydronaphthalen-1-amine65836-84-2C18H21NO2
- 1,1'-(2-Nitroethane-1,1-diyl)bis(3,4-dimethylbenzene)63407-15-8C18H21NO2
- [(2R,4S,5R)-2,5-Diphenylpyrrolidine-2,4-diyl]dimethanol648419-84-5C18H21NO2
- 5-Methylhex-4-en-1-yl naphthalen-1-ylcarbamate61755-52-0C18H21NO2
- N-[(4-Methoxyphenyl)methyl]-3-phenylbutan-1-imine N-oxide823817-62-5C18H21NO2
- 1-Benzyl-6,7-dimethoxy-3,4,6,7-tetrahydroisoquinoline918665-59-5C18H21NO2
- N-Ethyl-N-phenyl-2-propoxybenzamide1445850-40-7C18H21NO2
- N-(2-Ethylphenyl)-2-propoxybenzamide1445850-47-4C18H21NO2
- 6-(4,4-Dimethylcyclohexyl)oxyquinoline-2-carbaldehyde1544665-35-1C18H21NO2
- Methyl 4-[(2-tert-butylphenyl)amino]benzoate2639409-12-2C18H21NO2
- tert-Butyl 5'-amino-2'-methyl-[1,1'-biphenyl]-3-carboxylate1982608-61-6C18H21NO2
- 2-(2-Cyclopropylethyl)-5-[(4-methoxyphenyl)methoxy]pyridine1817672-53-9C18H21NO2
- 6-[1-(2,4-Dimethylanilino)ethylidene]-4-ethyl-3-hydroxycyclohexa-2,4-dien-1-one586356-62-9C18H21NO2
- 5-Phenyl-2-{1-[(prop-2-en-1-yl)amino]propylidene}cyclohexane-1,3-dione62663-77-8C18H21NO2
- 6-[(Hydroxyamino)(phenyl)methylidene]-4-(3-methylbutyl)cyclohexa-2,4-dien-1-one67546-00-3C18H21NO2
- 3'-Methyl-3-((tetrahydro-2H-pyran-4-yl)oxy)-[1,1'-biphenyl]-4-amine2749396-07-2C18H21NO2
- 4'-Methyl-3-((tetrahydro-2H-pyran-4-yl)oxy)-[1,1'-biphenyl]-4-amine2743963-92-8C18H21NO2
- 3-(Benzyloxy)-4-(cyclobutylmethoxy)aniline2748278-78-4C18H21NO2
- 3-(Benzyloxy)-4-(cyclopentyloxy)aniline2749755-39-1C18H21NO2
- (R)-1-(1-(Naphthalen-1-yl)ethyl)piperidine-4-carboxylic acid1581754-99-5C18H21NO2
- [(2,3-Dihydro-1,4-benzodioxin-6-yl)methyl](methyl)(1-phenylethyl)amine2742019-83-4C18H21NO2
- (1R)-1-[7-(Benzyloxy)-3,4-dihydro-2H-1-benzopyran-3-yl]ethan-1-amine2137427-37-1C18H21NO2
- tert-Butyl 2-amino-2-{[1,1'-biphenyl]-4-yl}acetate2351910-69-3C18H21NO2
- Ethyl 4-{[2-(propan-2-yl)phenyl]amino}benzoate2639445-87-5C18H21NO2
- tert-Butyl 3'-(aminomethyl)-[1,1'-biphenyl]-4-carboxylate2639422-43-6C18H21NO2
- tert-Butyl 4'-(aminomethyl)-[1,1'-biphenyl]-3-carboxylate1510844-64-0C18H21NO2
- tert-Butyl 2-[(4-methylphenyl)amino]benzoate2639462-61-4C18H21NO2
- tert-Butyl 6-(aminomethyl)-[1,1'-biphenyl]-3-carboxylate2639452-03-0C18H21NO2
- tert-Butyl 2'-(aminomethyl)-[1,1'-biphenyl]-3-carboxylate2639451-21-9C18H21NO2
- tert-Butyl 2'-(aminomethyl)-[1,1'-biphenyl]-4-carboxylate2639404-17-2C18H21NO2
- tert-Butyl 3'-(aminomethyl)-[1,1'-biphenyl]-2-carboxylate2639418-15-6C18H21NO2
- tert-Butyl 4-[amino(phenyl)methyl]benzoate2639406-11-2C18H21NO2
- Benzyl N-{2-ethynylspiro[3.4]octan-2-yl}carbamate2680871-12-7C18H21NO2
- tert-Butyl 2-amino-2-{[1,1'-biphenyl]-3-yl}acetate2351947-66-3C18H21NO2
- Methyl 2-(4'-amino-3'-isopropyl-[1,1'-biphenyl]-4-yl)acetate3078378-84-1C18H21NO2
- N-(Benzoyloxy)-N,a,a-trimethyl-benzeneethanamine120583-17-7C18H21NO2
- Ethyl 2-(4-(tert-butyl)phenyl)isonicotinate1198793-59-7C18H21NO2
- (7aS,5R)-5-Phenyl-2,2-diprop-2-enyl-2,5,6,7,7a-pentahydro-6-oxapyrrolizin-3-one1356412-14-0C18H21NO2
- Methyl 3-(4-(tert-butyl)phenyl)-2-cyanobicyclo[1.1.1]pentane-1-carboxylate3101019-24-0C18H21NO2
- (4-Cyanophenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate50907-09-0C18H21NO2
- N-Methyl-N-(phenylmethyl)-4-propoxybenzamide1002507-13-2C18H21NO2
- N-(2-(4-Benzylphenoxy)ethoxy)propan-1-imine88355-67-3C18H21NO2
- N-(4-Methoxyphenyl)-2,4,6-trimethylbenzeneacetamide921815-56-7C18H21NO2
- N-(2-Benzylphenyl)-2-isopropoxyacetamide1708483-30-0C18H21NO2
- 3-(4-Hexyloxybenzoyl)pyridine1187171-48-7C18H21NO2
- tert-Butyl 1,4,4a,9a-tetrahydro-9H-1,4-methanocarbazole-9-carboxylate1115276-66-8C18H21NO2
Frequently asked questions
What is the molar mass of C18H21NO2?
The molar mass of C18H21NO2 is 283.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 283.1572 Da.
How many compounds have the formula C18H21NO2?
CompoundList lists 611 compounds with the molecular formula C18H21NO2, including N-(1,1-Dimethyl-2-phenylethyl)-4-methoxybenzamide, 1-(4-Cyclopropylidenepiperidin-1-yl)-4-phenylbutane-1,4-dione, tert-Butyl ([1,1'-biphenyl]-3-ylmethyl)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 C18H21NO2?
C18H21NO2 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.