Molecular formula
C12H21NO
463 compounds have this formula on CompoundList.
- Molar mass
- 195.31g/mol
- Monoisotopic mass
- 199.1874Da
- Atoms
- 35
- Elements
- 4
- Rings plus double bonds
- 3
The formula C12H21NO describes a molecule made of 12 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. 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 × 1273.80%12.011 × 12 = 144.132 g/mol
- H Hydrogen × 2110.84%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 17.17%14.007 × 1 = 14.007 g/mol
- O Oxygen × 18.19%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C12H21NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 401 to 463 of 463 compounds
![Hexahydro-3'H-spiro[cyclohexane-1,2'-cyclopenta[e][1,3]oxazine] chemical structure, C12H21NO, CAS 2168738-59-6](/s/BFPXGQSZPYEOKB-UHFFFAOYSA-N.svg)
Hexahydro-3'H-spiro[cyclohexane-1,2'-cyclopenta[e][1,3]oxazine]
CAS 2168738-59-6C12H21NO
![1-Ethyl-6-methyl-1-azaspiro[4.5]decan-4-one chemical structure, C12H21NO, CAS 2137981-80-5](/s/IRUSOEQNSLMUGW-UHFFFAOYSA-N.svg)
1-Ethyl-6-methyl-1-azaspiro[4.5]decan-4-one
CAS 2137981-80-5C12H21NO
![8-Methyl-5-oxa-12-azadispiro[2.2.5^{6}.2^{3}]tridecane chemical structure, C12H21NO, CAS 2169430-69-5](/s/RKMDWWBOWWHXMQ-UHFFFAOYSA-N.svg)
8-Methyl-5-oxa-12-azadispiro[2.2.5^{6}.2^{3}]tridecane
CAS 2169430-69-5C12H21NO
![9-Ethyl-4-methyl-2-azaspiro[4.5]decan-6-one chemical structure, C12H21NO, CAS 2138004-78-9](/s/PHLONHPBTHSUIO-UHFFFAOYSA-N.svg)
9-Ethyl-4-methyl-2-azaspiro[4.5]decan-6-one
CAS 2138004-78-9C12H21NO
![N-(Propan-2-yl)-9-oxatricyclo[5.2.1.0,1,6]decan-5-amine chemical structure, C12H21NO, CAS 2137646-80-9](/s/QYQNHVXZJQDKFS-UHFFFAOYSA-N.svg)
N-(Propan-2-yl)-9-oxatricyclo[5.2.1.0,1,6]decan-5-amine
CAS 2137646-80-9C12H21NO
![N-Propyl-9-oxatricyclo[5.2.1.0,1,6]decan-5-amine chemical structure, C12H21NO, CAS 2138370-91-7](/s/BQENLPHJOUQWCX-UHFFFAOYSA-N.svg)
N-Propyl-9-oxatricyclo[5.2.1.0,1,6]decan-5-amine
CAS 2138370-91-7C12H21NO
![1-Ethyl-7-methyl-1-azaspiro[4.5]decan-4-one chemical structure, C12H21NO, CAS 2137785-22-7](/s/ZCEXEIAHZUHJEZ-UHFFFAOYSA-N.svg)
1-Ethyl-7-methyl-1-azaspiro[4.5]decan-4-one
CAS 2137785-22-7C12H21NO
![{5-Oxaspiro[bicyclo[4.2.0]octane-7,1'-cyclopentane]-8-yl}methanamine chemical structure, C12H21NO, CAS 2137806-94-9](/s/CFSDTWOXXBACFI-UHFFFAOYSA-N.svg)
{5-Oxaspiro[bicyclo[4.2.0]octane-7,1'-cyclopentane]-8-yl}methanamine
CAS 2137806-94-9C12H21NO
3-(2,2-Dimethylazetidin-1-yl)-4-methylcyclohexan-1-one
CAS 2138086-26-5C12H21NO
4-Methyl-3-(2-methylpyrrolidin-1-yl)cyclohexan-1-one
CAS 2138111-20-1C12H21NO
![4,9,9-Trimethyl-2-azaspiro[4.5]decan-6-one chemical structure, C12H21NO, CAS 2138275-22-4](/s/CDCMTMBFLOGIPR-UHFFFAOYSA-N.svg)
4,9,9-Trimethyl-2-azaspiro[4.5]decan-6-one
CAS 2138275-22-4C12H21NO
1-(1-Isocyanatoethyl)-4-(propan-2-yl)cyclohexane
CAS 2649060-40-0C12H21NO
![3-{[(1R,5S)-6,6-Dimethylbicyclo[3.1.1]heptan-2-yl]oxy}azetidine chemical structure, C12H21NO, CAS 2227988-81-8](/s/JNYOEVMOZWPQPL-AZXCQMJXSA-N.svg)
3-{[(1R,5S)-6,6-Dimethylbicyclo[3.1.1]heptan-2-yl]oxy}azetidine
CAS 2227988-81-8C12H21NO
![N-({1-Methyl-2-oxabicyclo[2.2.2]octan-4-yl}methyl)cyclopropanamine chemical structure, C12H21NO, CAS 2137647-36-8](/s/PDEXEXLUEXMLNO-UHFFFAOYSA-N.svg)
N-({1-Methyl-2-oxabicyclo[2.2.2]octan-4-yl}methyl)cyclopropanamine
CAS 2137647-36-8C12H21NO
![7-Cyclopropyl-2,2-dimethyl-5-oxa-9-azaspiro[3.5]nonane chemical structure, C12H21NO, CAS 2172268-11-8](/s/BYAWZKJHRUSBBG-UHFFFAOYSA-N.svg)
7-Cyclopropyl-2,2-dimethyl-5-oxa-9-azaspiro[3.5]nonane
CAS 2172268-11-8C12H21NO
![3-({Bicyclo[2.2.2]octan-2-yl}methoxy)azetidine chemical structure, C12H21NO, CAS 1998422-73-3](/s/QCNUSYQAINALNC-UHFFFAOYSA-N.svg)
3-({Bicyclo[2.2.2]octan-2-yl}methoxy)azetidine
CAS 1998422-73-3C12H21NO
![3-Amino-1-{6,6-dimethylbicyclo[3.1.1]heptan-2-yl}propan-1-one chemical structure, C12H21NO, CAS 2228599-62-8](/s/NFHSFTCVQATSLA-UHFFFAOYSA-N.svg)
3-Amino-1-{6,6-dimethylbicyclo[3.1.1]heptan-2-yl}propan-1-one
CAS 2228599-62-8C12H21NO
![3-Cyclopropyl-1-oxa-5-azaspiro[5.5]undecane chemical structure, C12H21NO, CAS 2172390-32-6](/s/XSTZPYROOLEWBM-UHFFFAOYSA-N.svg)
3-Cyclopropyl-1-oxa-5-azaspiro[5.5]undecane
CAS 2172390-32-6C12H21NO
![3-({Bicyclo[2.2.1]heptan-2-yl}methyl)-3-methoxyazetidine chemical structure, C12H21NO, CAS 2229556-25-4](/s/VKJYOVYGZJGEDP-UHFFFAOYSA-N.svg)
3-({Bicyclo[2.2.1]heptan-2-yl}methyl)-3-methoxyazetidine
CAS 2229556-25-4C12H21NO
![3-({7-Oxabicyclo[2.2.1]heptan-2-yl}methyl)piperidine chemical structure, C12H21NO, CAS 2228602-65-9](/s/JMHIHSDGORFATD-UHFFFAOYSA-N.svg)
3-({7-Oxabicyclo[2.2.1]heptan-2-yl}methyl)piperidine
CAS 2228602-65-9C12H21NO
![2-Cyclopropyl-1-oxa-5-azaspiro[5.5]undecane chemical structure, C12H21NO, CAS 2167015-80-5](/s/ZYXLMHJBBOULEV-UHFFFAOYSA-N.svg)
2-Cyclopropyl-1-oxa-5-azaspiro[5.5]undecane
CAS 2167015-80-5C12H21NO
N-Cyclopropyl-octahydro-1H-2-benzopyran-6-amine
CAS 2138399-53-6C12H21NO
![4-(Propan-2-yl)-1-azaspiro[4.5]decan-2-one chemical structure, C12H21NO, CAS 2138228-92-7](/s/KGTYEQOPOBCLQL-UHFFFAOYSA-N.svg)
4-(Propan-2-yl)-1-azaspiro[4.5]decan-2-one
CAS 2138228-92-7C12H21NO
![4-Ethyl-3-methyl-1-azaspiro[4.5]decan-2-one chemical structure, C12H21NO, CAS 2138398-97-5](/s/FHOMDPZRMSCUJK-UHFFFAOYSA-N.svg)
4-Ethyl-3-methyl-1-azaspiro[4.5]decan-2-one
CAS 2138398-97-5C12H21NO
- 4,4-Dimethyl-1-(pyrrolidin-2-yl)cyclohex-2-en-1-ol2138558-57-1C12H21NO
- 3-(Aminomethyl)-3-{bicyclo[2.2.1]heptan-2-yl}cyclobutan-1-ol2229237-97-0C12H21NO
- 1-{6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl}-2-(methylamino)ethan-1-ol2229585-27-5C12H21NO
- 2-[2-(3-Methylpiperidin-1-yl)ethyl]cyclobutan-1-one2137515-73-0C12H21NO
- 1-Cyclopropyl-2-[(dimethylamino)methylidene]-4-methylpentan-1-one1883039-16-4C12H21NO
- 5-(3,4-Dimethylpent-3-en-1-yl)-1,2,3,6-tetrahydropyridin-3-ol2137718-83-1C12H21NO
- 5-(2-Cyclopentylethyl)-1,2,3,6-tetrahydropyridin-3-ol2137796-17-7C12H21NO
- 1-(2-Methoxyethyl)-3,5-dimethylcyclohexane-1-carbonitrile2138279-12-4C12H21NO
- 6-Oxa-14-azadispiro[4.2.4^{8}.2^{5}]tetradecane2171928-95-1C12H21NO
- Octahydrospiro[3,1-benzoxazine-2,1'-cyclopentane]2171932-47-9C12H21NO
- 3-(Azetidin-1-yl)-4-(propan-2-yl)cyclohexan-1-one2138107-61-4C12H21NO
- 6-(Ethylamino)spiro[4.5]decan-8-one2138079-17-9C12H21NO
- 10-Ethyl-9-oxa-11-azadispiro[3.0.3^{5}.4^{4}]dodecane2166645-29-8C12H21NO
- 3-Amino-1-{6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl}propan-1-ol2228704-43-4C12H21NO
- 4-[1-(3,4-Dihydro-2H-pyran-5-yl)ethyl]piperidine2228822-13-5C12H21NO
- 2-Amino-2-{6,6-dimethylbicyclo[3.1.1]hept-2-en-2-yl}propan-1-ol2228721-60-4C12H21NO
- O-(2-{6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl}propan-2-yl)hydroxylamine2228474-26-6C12H21NO
- 2-Amino-1-{6,6-dimethylbicyclo[3.1.1]heptan-2-yl}propan-1-one2229337-52-2C12H21NO
- 4-(2-Isocyanatopropan-2-yl)-1,1-dimethylcyclohexane2649057-75-8C12H21NO
- 4-({7-Oxabicyclo[2.2.1]heptan-2-yl}methyl)piperidine2228818-54-8C12H21NO
- (1-((5-Azaspiro[2.5]octan-5-yl)methyl)cyclopropyl)methanol2771459-96-0C12H21NO
- (1-((6-Azaspiro[2.5]octan-6-yl)methyl)cyclopropyl)methanol2771459-95-9C12H21NO
- 2-(1,3-Hexadienyl)-3,5-dimethylmorpholine55649-54-2C12H21NO
- 3-((1S,2S)-2-(tert-Butoxy)cyclopentyl)propanenitrile91222-91-2C12H21NO
- (1R,2R)-2-((3AR,6aR)-hexahydrocyclopenta[b]pyrrol-1(2H)-yl)cyclopentanol291541-66-7C12H21NO
- (1S,2S)-2-((3AR,6aR)-hexahydrocyclopenta[b]pyrrol-1(2H)-yl)cyclopentanol291541-67-8C12H21NO
- Hexahydro-3'H-spiro[cyclopentane-1,1'-pyrido[1,2-c][1,3]oxazine]19137-48-5C12H21NO
- Hexahydro-3'H-spiro[cyclopentane-1,1'-pyrido[2,1-c][1,4]oxazine]35810-13-0C12H21NO
- 3-[(1S,2S)-2-[(2-Methylpropan-2-yl)oxy]cyclopentyl]propanenitrileC12H21NO
- 3,4,5-Tripropylisoxazole873962-91-5C12H21NO
- Cyclohexyl(piperidin-3-yl)methanone1529748-79-5C12H21NO
- 2-(Cyclopropylmethoxy)-7-azaspiro[3.5]nonane1422140-86-0C12H21NO
- (2-(2-Methylpropylidene)tetrahydro-1H-pyrrolizin-7a(5H)-yl)methanol2829286-79-3C12H21NO
- 7-[(Dimethylamino)methylidene]-2,2-dimethylcycloheptan-1-one2138823-29-5C12H21NO
- rac-(2R,7S)-2,7-Dimethyl-4-(2-methylbut-3-yn-2-yl)-1,4-oxazepane2227791-36-6C12H21NO
- rac-1-[(1R,3S)-2,2-Dimethyl-3-{7-oxabicyclo[2.2.1]heptan-2-yl}cyclopropyl]methanamine2227955-32-8C12H21NO
- (1RS,3RS)-3-[(6aR)-Hexahydro-2H-cyclopenta[b]furan-3a-yl]-2,2-dimethylcyclopropan-1-amine2228027-65-2C12H21NO
- 2-[(Dimethylamino)methylidene]-4-(propan-2-yl)cyclohexan-1-one1344883-21-1C12H21NO
- 3-[(1S,2R)-2-[(2-Methylpropan-2-yl)oxy]cyclopentyl]propanenitrile91222-90-1C12H21NO
Frequently asked questions
What is the molar mass of C12H21NO?
The molar mass of C12H21NO is 195.31 g/mol, calculated from standard atomic weights for 12 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 199.1874 Da.
How many compounds have the formula C12H21NO?
CompoundList lists 463 compounds with the molecular formula C12H21NO, including Hexahydro-3'H-spiro[cyclohexane-1,2'-cyclopenta[e][1,3]oxazine], 1-Ethyl-6-methyl-1-azaspiro[4.5]decan-4-one, 8-Methyl-5-oxa-12-azadispiro[2.2.5^{6}.2^{3}]tridecane. 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 C12H21NO?
C12H21NO has a degree of unsaturation of 3. 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.