Molecular formula
C21H27N3O
127 compounds have this formula on CompoundList.
- Molar mass
- 337.47g/mol
- Monoisotopic mass
- 337.2154Da
- Atoms
- 52
- Elements
- 4
- Rings plus double bonds
- 10
The formula C21H27N3O describes a molecule made of 21 carbon atoms, 27 hydrogen atoms, 3 nitrogen atoms 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 × 2174.74%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 278.06%1.008 × 27 = 27.216 g/mol
- N Nitrogen × 312.45%14.007 × 3 = 42.021 g/mol
- O Oxygen × 14.74%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H27N3O
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 127 compounds
Ergoline-8-carboxamide, 9,10-didehydro-N,N-diethyl-1,6-dimethyl-, (8beta)-
CAS 4238-85-1C21H27N3O
N-Ethylnorlysergic acid N,N-diethylamide
CAS 65527-62-0C21H27N3O
3-(2-Diethylaminoethyl)-2-(p-tolyl)-1,2-dihydroquinazolin-4-one
CAS 404933-81-9C21H27N3O
2-(4-Benzylpiperazin-1-yl)-N-(2-phenylethyl)acetamide
CAS 878588-61-5C21H27N3O
![N-Ethyl-6,7,12,15,15-pentamethyl-3,10-diazatetracyclo[10.2.1.0~2,11~.0~4,9~]pentadeca-2(11),3,5,7,9-pentaene-1-carboxamide chemical structure, C21H27N3O, CAS 708239-93-4](/s/YIOOSVKFCXHRLV-UHFFFAOYSA-N.svg)
N-Ethyl-6,7,12,15,15-pentamethyl-3,10-diazatetracyclo[10.2.1.0~2,11~.0~4,9~]pentadeca-2(11),3,5,7,9-pentaene-1-carboxamide
CAS 708239-93-4C21H27N3O
4-Benzotriazol-1-ylmethyl-2,6-di-tert-butyl-phenol
CAS 132980-39-3C21H27N3O
4,7,8,11,11-Pentamethyl-3,4-dihydro-2H-1,4-methano-phenazine-1-carboxylic acid dimethylamide
CAS 720677-58-7C21H27N3O
3-(4-Benzylpiperazin-1-yl)-N-(2-methylphenyl)propanamide
CAS 429623-88-1C21H27N3O
![N-Benzyl-2-[4-[(2-methylphenyl)methyl]piperazin-1-yl]acetamide chemical structure, C21H27N3O, CAS 891759-28-7](/s/WCMPNQXMBIJUNX-UHFFFAOYSA-N.svg)
N-Benzyl-2-[4-[(2-methylphenyl)methyl]piperazin-1-yl]acetamide
CAS 891759-28-7C21H27N3O
3-(4-Benzylpiperazin-1-yl)-N-(4-methylphenyl)propanamide
CAS 191168-69-1C21H27N3O
![2-(1-Ethyl-2-methyl-1H-indol-3-yl)-5,7-dimethyl-1,3-diazatricyclo[3.3.1.1~3,7~]decan-6-one chemical structure, C21H27N3O, CAS 698980-57-3](/s/KDJJXXIPQWYZTB-UHFFFAOYSA-N.svg)
2-(1-Ethyl-2-methyl-1H-indol-3-yl)-5,7-dimethyl-1,3-diazatricyclo[3.3.1.1~3,7~]decan-6-one
CAS 698980-57-3C21H27N3O
![1-[4-[4-[[4-(Dimethylamino)phenyl]methyl]-1-piperazinyl]phenyl]ethanone chemical structure, C21H27N3O, CAS 415721-84-5](/s/AMLRZERTGXODRJ-UHFFFAOYSA-N.svg)
1-[4-[4-[[4-(Dimethylamino)phenyl]methyl]-1-piperazinyl]phenyl]ethanone
CAS 415721-84-5C21H27N3O
Metodesnitazene
CAS 14030-77-4C21H27N3O
![5,7-Diethyl-2-(2-methyl-1H-indol-3-yl)-1,3-diazatricyclo[3.3.1.1~3,7~]decan-6-one chemical structure, C21H27N3O, CAS 633286-28-9](/s/DFKNZLAJHUJXFN-UHFFFAOYSA-N.svg)
5,7-Diethyl-2-(2-methyl-1H-indol-3-yl)-1,3-diazatricyclo[3.3.1.1~3,7~]decan-6-one
CAS 633286-28-9C21H27N3O
1-(3,5-Dimethylpyrazol-1-yl)-3-(6-methyl-1,2,3,4-tetrahydrocarbazol-9-yl)propan-2-ol
CAS 1007195-13-2C21H27N3O
![N-[4-(4-Phenyl-piperazin-1-yl)-butyl]-benzamide chemical structure, C21H27N3O, CAS 115338-27-7](/s/SPKHLKULRLEZKZ-UHFFFAOYSA-N.svg)
N-[4-(4-Phenyl-piperazin-1-yl)-butyl]-benzamide
CAS 115338-27-7C21H27N3O
![N-{[1,1'-Biphenyl]-4-yl}-3-(4-ethylpiperazin-1-yl)propanamide chemical structure, C21H27N3O, CAS 379248-01-8](/s/MXDPKQDJWVJQNG-UHFFFAOYSA-N.svg)
N-{[1,1'-Biphenyl]-4-yl}-3-(4-ethylpiperazin-1-yl)propanamide
CAS 379248-01-8C21H27N3O
![N-[2-(4-Methylphenyl)-2-(4-methylpiperazin-1-yl)ethyl]benzamide chemical structure, C21H27N3O, CAS 898430-99-4](/s/SGFLEQHZLBXDTD-UHFFFAOYSA-N.svg)
N-[2-(4-Methylphenyl)-2-(4-methylpiperazin-1-yl)ethyl]benzamide
CAS 898430-99-4C21H27N3O
![3-Cyclohexyl-1-(2-phenylethyl)-1-[(pyridin-2-yl)methyl]urea chemical structure, C21H27N3O, CAS 1286717-42-7](/s/MUDAMHUYYZUTEX-UHFFFAOYSA-N.svg)
3-Cyclohexyl-1-(2-phenylethyl)-1-[(pyridin-2-yl)methyl]urea
CAS 1286717-42-7C21H27N3O
Pyridine, 1-acetyl-1,2,3,4-tetrahydro-5-(1-(1H-indol-3-ylmethyl)-2-piperidinyl)-
CAS 83905-67-3C21H27N3O
![2,5-Dimethyl-N-[2-(4-phenylpiperazin-1-yl)ethyl]benzamide chemical structure, C21H27N3O, CAS 1049437-05-9](/s/MFIAOVICHUKZIC-UHFFFAOYSA-N.svg)
2,5-Dimethyl-N-[2-(4-phenylpiperazin-1-yl)ethyl]benzamide
CAS 1049437-05-9C21H27N3O
N-(2-Ethyl-6-methylphenyl)-4-(2-pyridinyl)-1-piperidineacetamide
CAS 630121-94-7C21H27N3O
5H-1,4-Benzodiazepin-5-one, 1,2,3,4-tetrahydro-4-(2-diethylaminoethyl)-1-phenyl-
CAS 65647-14-5C21H27N3O
3-Methyl-N-(3-(4-phenylpiperazin-1-yl)propyl)benzamide
CAS 1049375-27-0C21H27N3O
- 2-(3-Methylphenyl)-N-[2-(4-phenylpiperazin-1-yl)ethyl]acetamide1049444-38-3C21H27N3O
- 2-Propanamine, N-[2-[4-(1H-benzimidazol-2-yl)phenoxy]ethyl]-N-(1-methylethyl)-1449214-96-3C21H27N3O
- Benzimidazole, 1-(2-(diethylamino)ethyl)-2-(3-methoxybenzyl)-102516-96-1C21H27N3O
- 1-Benzyl-3-[3-(diethylamino)propoxy]-1H-indazole47448-66-8C21H27N3O
- 2-Cyano-3-(2-methyl-1H-indol-3-yl)-N-octylprop-2-enamide455314-52-0C21H27N3O
- N-(3,4-Dimethylphenyl)-3-(4-phenylpiperazin-1-yl)propanamide428845-54-9C21H27N3O
- 8-Cyclohexyl-1,2,3a,4,5,6-hexahydro-3H-pyrazino[3,2,1-jk]carbazole-3-carboxamide331666-16-1C21H27N3O
- N-(2,5-Dimethylphenyl)-3-(4-phenylpiperazin-1-yl)propanamide428823-30-7C21H27N3O
- 1-(1-Adamantyl)-3-[2-(1H-indol-3-yl)ethyl]urea157355-12-9C21H27N3O
- Pyridin-4-ylethyl-norfentanyl1443-41-0C21H27N3O
- 3-(4-Benzylpiperazin-1-yl)-N-(3-methylphenyl)propanamide461397-68-2C21H27N3O
- 4-[(4-Phenylpiperazin-1-yl)methyl]-N-propan-2-ylbenzamide358362-97-7C21H27N3O
- N-[4-(4-Benzylpiperazin-1-yl)phenyl]-2-methylpropanamide640239-48-1C21H27N3O
- Phenol, 2,6-bis(1,1-dimethylethyl)-4-(1-methyl-1H-pyrazolo(3,4-b)pyridin-3-yl)-114334-88-2C21H27N3O
- N-[4-(4-Isopropylpiperazino)phenyl]-3-methylbenzenecarboxamide478065-80-4C21H27N3O
- 4H-Cyclopenta(b)quinoline, 1,2-dihydro-4-methyl-3-(3-(4-methyl-1-piperazinyl)propionyl)-57690-20-7C21H27N3O
- N-[(E)-[4-(Dipropylamino)phenyl]methylideneamino]-2-phenylacetamide303192-89-4C21H27N3O
- 4-Benzyl-N-[(E)-(4-propoxyphenyl)methylidene]piperazin-1-amine497082-93-6C21H27N3O
- Piperazine, 1-methyl-4-((7,8,9,10-tetrahydro-2-methyl-6H-cyclohepta(b)quinolin-11-yl)carbonyl)-36068-72-1C21H27N3O
- [4-(4-Methylpiperazin-1-yl)piperidin-1-yl]-naphthalen-1-ylmethanone500279-19-6C21H27N3O
- 1-Piperidineacetamide, N-(1,2,3,4-tetrahydro-7-methyl-9-acridinyl)-126740-44-1C21H27N3O
- 1H-Isoindol-1-one, 2,3-dihydro-2-(2-(diethylamino)ethyl)-3-(2-(methylamino)phenyl)-116870-45-2C21H27N3O
- N-[(9-Ethyl-9H-carbazol-3-yl)methyl]-2-(morpholin-4-yl)ethanamine880813-44-5C21H27N3O
- (2E)-4,4-Dimethyl-3-oxo-2-[[4-[(E)-3-phenylprop-2-enyl]piperazin-1-yl]methylidene]pentanenitrile1025295-23-1C21H27N3O
- N-(4-Ethylphenyl)-4-[(4-methylphenyl)methyl]piperazine-1-carboxamide893003-31-1C21H27N3O
- N-(2-Methylphenyl)-2-[4-[(4-methylphenyl)methyl]piperazin-1-yl]acetamide902633-59-4C21H27N3O
- N-(3,4-Dimethylphenyl)-4-(2-phenylethyl)piperazine-1-carboxamide905525-91-9C21H27N3O
- N-(3,4-Dimethylphenyl)-4-[(2-methylphenyl)methyl]piperazine-1-carboxamide889392-84-1C21H27N3O
- 2-[4-(2,3-Dimethylphenyl)piperazin-1-yl]-N-(4-methylphenyl)acetamide896219-25-3C21H27N3O
- cis-3-Methyl-1-phenethyl-4-(phenylamino)piperidine-4-carboxamide61085-92-5C21H27N3O
- N-(2,4-Dimethylphenyl)-4-(2-methylbenzyl)piperazine-1-carboxamide847477-38-7C21H27N3O
- N-[4-(4-Methylpiperazin-1-yl)phenyl]-4-propan-2-ylbenzamide640241-50-5C21H27N3O
- N-[4-(4-Benzylpiperazin-1-yl)phenyl]butanamide400075-63-0C21H27N3O
- 4-Methyl-N-[3-(4-phenylpiperazin-1-yl)propyl]benzamide125775-42-0C21H27N3O
- 2-(4-Benzylpiperazin-1-yl)-N-(2,6-dimethylphenyl)acetamide55340-20-0C21H27N3O
- N-(3,5-Dimethylphenyl)-2-[4-(2-methylphenyl)piperazin-1-yl]acetamide902697-58-9C21H27N3O
- 2-(4-Phenylpiperazin-1-yl)-N-(4-propan-2-ylphenyl)acetamide885430-95-5C21H27N3O
- N-(2,4-Dimethylphenyl)-4-(2-phenylethyl)piperazine-1-carboxamide905525-54-4C21H27N3O
- 2-[4-(2-Methylphenyl)piperazin-1-yl]-N-(1-phenylethyl)acetamide902646-97-3C21H27N3O
- 2-[4-(2,3-Dimethylphenyl)piperazin-1-yl]-N-(2-methylphenyl)acetamide896218-85-2C21H27N3O
- N-[4-(tert-Butyl)phenyl](4-phenylpiperazinyl)carboxamide938037-52-6C21H27N3O
- 3,5-Dimethyl-N-((1-(pyridin-2-ylmethyl)piperidin-4-yl)methyl)benzamide953969-53-4C21H27N3O
- 4-(2,3-Dimethylphenyl)-N-(4-ethylphenyl)piperazine-1-carboxamide847477-30-9C21H27N3O
- 1-Benzyl-7-(5-ethoxypyridin-3-yl)-1,7-diazaspiro[4.4]nonane646055-69-8C21H27N3O
- 2-Methyl-N-[3-(4-phenylpiperazin-1-yl)propyl]benzamide1049395-17-6C21H27N3O
- 4-Propyl-N-{[1-(pyridin-2-yl)piperidin-4-yl]methyl}benzamide1235058-24-8C21H27N3O
- (E)-1-(4-((2-Isopropyl-1H-imidazol-1-yl)methyl)piperidin-1-yl)-3-phenylprop-2-en-1-one1334377-18-2C21H27N3O
- 2-[4-(Cyclohexylmethyl)piperazin-1-yl]quinoline-3-carbaldehyde898911-51-8C21H27N3O
- 2-[(4-Benzylpiperidin-1-yl)methyl]-5,6,7,8-tetrahydrocinnolin-3(2H)-one1374514-30-3C21H27N3O
- 2-[(4-Phenylpiperidin-1-yl)methyl]-2,5,6,7,8,9-hexahydro-3H-cyclohepta[c]pyridazin-3-one1374533-59-1C21H27N3O
- 2,5-Dimethyl-N-{[1-(2-methylpyridin-4-yl)piperidin-4-yl]methyl}benzamide2034240-95-2C21H27N3O
- (E)-2-(1-((4-(2,4-Dimethylbenzyl)piperazin-1-yl)imino)ethyl)phenol315185-68-3C21H27N3O
- N-[2-(4-Methylpiperazin-1-yl)phenyl]-4-propan-2-ylbenzamide902258-74-6C21H27N3O
- N-(2-Ethylphenyl)-2-[4-(2-methylphenyl)piperazin-1-yl]acetamide902697-72-7C21H27N3O
- N-(2,3-Dimethylphenyl)-4-[(2-methylphenyl)methyl]piperazine-1-carboxamide904485-55-8C21H27N3O
- N-(4-Ethylphenyl)-4-(2-phenylethyl)piperazine-1-carboxamide905523-30-0C21H27N3O
- Glycine, N-(2-phenylethyl)-, ((2,3,5,6-tetramethylphenyl)methylene)hydrazide72606-37-2C21H27N3O
- N-Cyclohexyl-1-(p-tolyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide899750-74-4C21H27N3O
- N-(4-Methylphenyl)-2-[4-(2-phenylethyl)piperazin-1-yl]acetamide941194-43-0C21H27N3O
- 4-(4-Methylanilino)-1-(2-phenylethyl)piperidine-4-carboxamide61380-10-7C21H27N3O
- 1-(Prop-2-yn-1-yl)-N-[(2,3,5-trimethyl-1H-indol-7-yl)methyl]piperidine-4-carboxamide1252545-99-5C21H27N3O
- N-[(4-tert-Butylphenyl)(cyano)methyl]-1-(prop-2-yn-1-yl)piperidine-4-carboxamide1355929-81-5C21H27N3O
- 2-Phenyl-N-((1-(pyridin-4-yl)piperidin-4-yl)methyl)butanamide2034504-22-6C21H27N3O
- 4-Phenyl-N-{[1-(pyridin-3-yl)piperidin-4-yl]methyl}butanamide2034378-49-7C21H27N3O
- 8-(4-tert-Butylbenzoyl)-3-(1H-imidazol-1-yl)-8-azabicyclo[3.2.1]octane2320853-27-6C21H27N3O
- 8-(4-tert-Butylbenzoyl)-3-(1H-pyrazol-1-yl)-8-azabicyclo[3.2.1]octane2320887-15-6C21H27N3O
- Propanamide, N-[1-(2-phenylethyl)-4-piperidinyl]-N-2-pyridinyl-69492-65-5C21H27N3O
- Glycine, N-(alpha-methylphenethyl)-, 2-(2,4,6-trimethylbenzylidene)hydrazide72606-29-2C21H27N3O
- N-(4-Butan-2-ylphenyl)-4-phenylpiperazine-1-carboxamide895497-45-7C21H27N3O
- N-[3-(4-Methylpiperazin-1-yl)propyl]biphenyl-4-carboxamide928942-96-5C21H27N3O
- 1,2,3,4-Tetrahydro-6-methoxy-8-[4-(phenylmethyl)-1-piperazinyl]quinoline282547-60-8C21H27N3O
- 4-{(E)-[4-(Dibutylamino)phenyl]diazenyl}benzaldehyde919111-85-6C21H27N3O
- 1-(9H-Carbazol-9-yl)-3-(4-ethylpiperazin-1-yl)propan-2-ol1223269-93-9C21H27N3O
- 1-{1-[4-(4-Methylpiperidin-1-yl)phenyl]ethyl}-3-phenylurea1360370-00-8C21H27N3O
- [3-[[[2-(Phenylamino)ethyl]amino]methyl]phenyl]-1-piperidinylmethanone748772-03-4C21H27N3O
- 2-[(1-Benzylpiperidin-4-yl)methyl]-2,3,5,6,7,8-hexahydrocinnolin-3-one2097915-45-0C21H27N3O
Frequently asked questions
What is the molar mass of C21H27N3O?
The molar mass of C21H27N3O is 337.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 3 nitrogen atoms and 1 oxygen atom. The monoisotopic mass is 337.2154 Da.
How many compounds have the formula C21H27N3O?
CompoundList lists 127 compounds with the molecular formula C21H27N3O, including Ergoline-8-carboxamide, 9,10-didehydro-N,N-diethyl-1,6-dimethyl-, (8beta)-, N-Ethylnorlysergic acid N,N-diethylamide, 3-(2-Diethylaminoethyl)-2-(p-tolyl)-1,2-dihydroquinazolin-4-one. 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 C21H27N3O?
C21H27N3O has a degree of unsaturation of 10. 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.