Molecular formula
C21H25NO
135 compounds have this formula on CompoundList.
- Molar mass
- 307.44g/mol
- Monoisotopic mass
- 307.1936Da
- Atoms
- 48
- Elements
- 4
- Rings plus double bonds
- 10
The formula C21H25NO describes a molecule made of 21 carbon atoms, 25 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 × 2182.04%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 258.20%1.008 × 25 = 25.200 g/mol
- N Nitrogen × 14.56%14.007 × 1 = 14.007 g/mol
- O Oxygen × 15.20%15.999 × 1 = 15.999 g/mol
Look up another formula
Compounds with the formula C21H25NO
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 135 compounds
Benztropine
CAS 86-13-5C21H25NO
3-(Diphenylmethoxy)-8-methyl-8-azabicyclo(3.2.1)octane
CAS 13050-78-7C21H25NO
![[1,1'-Biphenyl]-4-carbonitrile, 4'-(octyloxy)- chemical structure, C21H25NO, CAS 52364-73-5](/s/GPGGNNIMKOVSAG-UHFFFAOYSA-N.svg)
[1,1'-Biphenyl]-4-carbonitrile, 4'-(octyloxy)-
CAS 52364-73-5C21H25NO
3,5-Dimethyl-2,6-bis(4-methylphenyl)-4-piperidinone
CAS 151454-12-5C21H25NO
3,5-Diethyl-2,6-diphenylpiperidin-4-one
CAS 102596-94-1C21H25NO
3,5-Dimethyl-2,6-bis(2-methylphenyl)piperidin-4-one
CAS 151454-13-6C21H25NO
3,5-Dimethyl-2,6-bis(3-methylphenyl)piperidin-4-one
CAS 1005138-05-5C21H25NO
2-(2-(Benzyloxy)-5-(tert-butyl)phenyl)-2-methylpropanenitrile
CAS 1246213-27-3C21H25NO
3-(4-Isopropylphenyl)-N-(3-phenylpropyl)acrylamide
CAS 1164519-34-9C21H25NO
1-Ethyl-3,5-dimethyl-2,6-diphenylpiperidin-4-one
CAS 306947-41-1C21H25NO
WF-23
CAS 146877-60-3C21H25NO
1-(2,2,4-Trimethyl-4-phenyl-3,4-dihydroquinolin-1(2H)-yl)propan-1-one
CAS 84816-95-5C21H25NO
2,2-Bis(4-methylphenyl)-N-propan-2-ylcyclopropane-1-carboxamide
CAS 360764-60-9C21H25NO
5-(Diethylamino)-1,1-diphenylpent-3-yn-1-ol
CAS 97254-77-8C21H25NO
N-(Biphenyl-2-yl)-3-cyclohexylpropanamide
CAS 434311-22-5C21H25NO
![1-(1-Methylspiro[1,2-dihydrobenzo[f]quinoline-3,1'-cyclohexane]-4-yl)ethanone chemical structure, C21H25NO, CAS 5798-60-7](/s/KASKHZWLFXRWLY-UHFFFAOYSA-N.svg)
1-(1-Methylspiro[1,2-dihydrobenzo[f]quinoline-3,1'-cyclohexane]-4-yl)ethanone
CAS 5798-60-7C21H25NO
![3-Phenyl-N-[(1-phenylcyclopentyl)methyl]propanamide chemical structure, C21H25NO, CAS 35279-03-9](/s/YIKURAZYSURMEO-UHFFFAOYSA-N.svg)
3-Phenyl-N-[(1-phenylcyclopentyl)methyl]propanamide
CAS 35279-03-9C21H25NO
1,2,3,4,5,6-Hexahydro-6,11-dimethyl-3-(phenylmethyl)-2,6-methano-3-benzazocin-8-ol
CAS 22185-52-0C21H25NO
![N-[4-(sec-Butyl)phenyl]-3-(2,4-dimethylphenyl)acrylamide chemical structure, C21H25NO, CAS 331461-99-5](/s/VLHJOJLAHIYPKK-JLHYYAGUSA-N.svg)
N-[4-(sec-Butyl)phenyl]-3-(2,4-dimethylphenyl)acrylamide
CAS 331461-99-5C21H25NO
(2E)-1,1-Diphenyl-4-(piperidin-1-yl)but-2-en-1-ol
CAS 972-03-2C21H25NO
2-(1-Adamantyl)-6-ethoxyquinoline
CAS 329195-98-4C21H25NO
5-Methoxy-N,N,2-trimethyl-5,5-diphenylpent-3-yn-2-amine
CAS 16629-70-2C21H25NO
N-(3,3-Diphenylpropyl)cyclopentanecarboxamide
CAS 353769-63-8C21H25NO
Hepzidine
CAS 1096-72-6C21H25NO
- 7-(Benzyloxy)-3-cyclobutyl-2,3,4,5-tetrahydro-1H-benzo[d]azepine720689-52-1C21H25NO
- 1-Phenyl-N-(3-phenylpropyl)cyclopentane-1-carboxamide331964-68-2C21H25NO
- Hydroxy terbinafine162227-13-6C21H25NO
- HW 173110270-70-7C21H25NO
- 5,7-Di-tert-butyl-2-phenylbenzo[d]oxazole117077-85-7C21H25NO
- 1H-Indeno(1,2-b)pyridin-7-ol, 2,3,4,4a,5,9b-hexahydro-5-(4-(1-methylethyl)phenyl)-, (4a-alpha,5-alpha,9b-alpha)-88763-30-8C21H25NO
- 1H-Indeno(1,2-b)pyridine, 2,3,4,4a,5,9b-hexahydro-7-methoxy-1-methyl-5-(4-methylphenyl)-, (4a-alpha,5-alpha,9b-alpha)-88763-36-4C21H25NO
- 1H-Indeno(1,2-b)pyridin-7-ol, 2,3,4,4a,5,9b-hexahydro-5-(4-(1-methylethyl)phenyl)-, (4a-alpha,5-beta,9b-alpha)-88763-31-9C21H25NO
- 1H-Indeno(1,2-b)pyridine, 2,3,4,4a,5,9b-hexahydro-7-methoxy-1-methyl-5-(4-methylphenyl)-, (4a-alpha,5-beta,9b-alpha)-88763-37-5C21H25NO
- 4-Benzhydryloxy-N,N-diethylbut-2-yn-1-amine15241-35-7C21H25NO
- 4-(Dimethylamino)-5-methyl-1,1-diphenylhex-2-yn-1-ol16628-42-5C21H25NO
- Pyrrolidine, 1-(2,2-diphenylbutyryl)-2-methyl-34067-03-3C21H25NO
- 3-Quinuclidineethanol, alpha,alpha-diphenyl-57734-73-3C21H25NO
- 1-Phenyl-N-[2-(propan-2-yl)phenyl]cyclopentane-1-carboxamide854131-86-5C21H25NO
- 3,6-Di-tert-butylacridin-9(10H)-one1810004-91-1C21H25NO
- 3-Nortropanol, 8-phenethyl-3-phenyl-101858-24-6C21H25NO
- N,N-Dibenzylcyclohexanecarboxamide141921-92-8C21H25NO
- 2,3-Dimethyl-4'-piperidinomethyl benzophenone898771-46-5C21H25NO
- 2,4-Dimethyl-4'-piperidinomethyl benzophenone898771-49-8C21H25NO
- 2,6-Dimethyl-4'-piperidinomethyl benzophenone898775-08-1C21H25NO
- 3,4-Dimethyl-4'-piperidinomethyl benzophenone898775-11-6C21H25NO
- 3,5-Dimethyl-4'-piperidinomethyl benzophenone898775-14-9C21H25NO
- 2,6-Dimethyl-3'-piperidinomethyl benzophenone898793-17-4C21H25NO
- 3,4-Dimethyl-3'-piperidinomethyl benzophenone898793-20-9C21H25NO
- 2,4-Dimethyl-2'-piperidinomethyl benzophenone898773-24-5C21H25NO
- 2,6-Dimethyl-2'-piperidinomethyl benzophenone898773-30-3C21H25NO
- 2-Butanone, 4,4-diphenyl-1-piperidino-1866-54-2C21H25NO
- 6-tert-Butyl-2,3-dimethyl-4-phenyl-3,4-dihydroisoquinolin-1(2H)-one41958-49-0C21H25NO
- 9-Azabicyclo(3.3.1)nonan-3-ol, 9-benzyl-3-phenyl-97254-65-4C21H25NO
- 4,4-Diphenyl-1-(piperidin-1-yl)but-3-en-2-ol1976-56-3C21H25NO
- N-(2-Ethyl-6-methylphenyl)-1-phenylcyclopentane-1-carboxamide1022394-34-8C21H25NO
- 1-Phenyl-N-(4-propan-2-ylphenyl)cyclopentane-1-carboxamide1023857-70-6C21H25NO
- 9-(2-Ethylhexyl)-9H-carbazole-3-carbaldehyde287978-28-3C21H25NO
- 2,5-Dimethyl-4'-piperidinomethyl benzophenone898775-05-8C21H25NO
- 2,3-Dimethyl-3'-piperidinomethyl benzophenone898793-08-3C21H25NO
- 2,4-Dimethyl-3'-piperidinomethyl benzophenone898793-11-8C21H25NO
- 2,5-Dimethyl-3'-piperidinomethyl benzophenone898793-14-1C21H25NO
- 3,5-Dimethyl-3'-piperidinomethyl benzophenone898793-22-1C21H25NO
- 2,3-Dimethyl-2'-piperidinomethyl benzophenone898773-21-2C21H25NO
- 2,5-Dimethyl-2'-piperidinomethyl benzophenone898773-27-8C21H25NO
- 9,10-Ethanoanthracene, 9,10-dihydro-9-(3-dimethylaminopropoxy)-13388-29-9C21H25NO
- 1-Indanol, 2-(1-methyl-4-piperidyl)-1-phenyl-20845-59-4C21H25NO
- N,N-Diethyl-4-methoxy-4,4-diphenylbut-2-yn-1-amine16629-62-2C21H25NO
- 3-Quinuclidinemethanol, alpha-phenyl-alpha-(o-tolyl)-60697-80-5C21H25NO
- 3',4'-Dimethyl-2-piperidinomethyl benzophenone898773-33-6C21H25NO
- 3',5'-Dimethyl-2-piperidinomethyl benzophenone898773-36-9C21H25NO
- 5H-Dibenzo(a,d)cyclohepten-5-ol, 10,11-dihydro-5-(1-methyl-3-pyrrolidinylmethyl)-67195-31-7C21H25NO
- 3-Methyl-2,4-diphenyl-3-azabicyclo[3.3.1]nonan-9-ol65627-92-1C21H25NO
- N-Cyclohexyl-2,2-diphenylpropanamide667895-36-5C21H25NO
- 1-Phenyl-5-(3-phenylpyrrolidin-1-yl)pentan-1-one20958-47-8C21H25NO
- 2-Butanone, 4-(4,4-diphenyl-1-piperidinyl)-91075-47-7C21H25NO
- 2-Benzyl-1-(diethylamino)-4-phenylbut-3-yn-2-ol71151-26-3C21H25NO
- 1-(2-Ethyl-1-piperidinyl)-2,2-diphenylethanone350681-93-5C21H25NO
- 3-Azaspiro[5.5]undec-8-ene, 9-(6-methoxy-2-naphthalenyl)-918650-80-3C21H25NO
- (2S,6S,11S)-3-Benzyl-6,11-dimethyl-1,2,3,4,5,6-hexahydro-2,6-methano-benzo[d]azocin-8-ol57573-46-3C21H25NO
- 2,7-Di-tert-butylacridin-9(10H)-one1839079-50-3C21H25NO
- 1-Indanol, 3-(1-methyl-4-piperidyl)-1-phenyl-20845-61-8C21H25NO
- 1-Phenyl-N-(2,4,6-trimethylphenyl)cyclopentane-1-carboxamide1024113-59-4C21H25NO
- (E)-3-(4-Isobutylphenyl)-N-(1-phenylethyl)-2-propenamide329778-69-0C21H25NO
- 4-[1-(4-Phenylbutyl)-3,6-dihydro-2H-pyridin-4-yl]phenol774525-84-7C21H25NO
- 4-Piperidinone, 1-methyl-3-(1-methylethyl)-2,6-diphenyl-57162-40-0C21H25NO
- (Phenyl)-[2-(4-methylphenyl)-1-(piperidin-1-yl)ethyl]-ketone654673-38-8C21H25NO
- (3abeta,7abeta)-Octahydro-alpha,alpha-diphenyl-1H-indole-2alpha-methanol142138-83-8C21H25NO
- Terbinafine N-oxide2734288-05-0C21H25NO
- (2alpha,6alpha,11R*)-3-Benzyl-1,2,3,4,5,6-hexahydro-6,11-dimethyl-2,6-methano-3-benzazocin-8-olC21H25NO
- 1-[2-[Benzyl(methyl)amino]ethyl]-1-methyl-3,4-dihydronaphthalen-2-one88207-60-7C21H25NO
- 1-[4-(tert-Butyl)benzyl]-1,3,4,5-tetrahydro-2H-1-benzazepin-2-one303988-01-4C21H25NO
- Nortropan-3-ol, 8-benzyl-3-(p-tolyl)-101858-21-3C21H25NO
- 4-(Adamantan-1-ylmethoxy)-3-cyclopropylbenzonitrile1494590-01-0C21H25NO
- 1-Benzyl-4-(4-propoxyphenyl)-1,2,3,6-tetrahydropyridine1949781-88-7C21H25NO
- (E)-N-(2-Propan-2-ylphenyl)-3-(4-propan-2-ylphenyl)prop-2-enamide433707-74-5C21H25NO
- 1,1-Diphenyl-2-methyl-3-(1-cyclopropylethylidene)aminopropanol78110-04-0C21H25NO
- 2-(1-Adamantyl)-4,7-dimethyl-1H-indole-3-carbaldehyde891721-13-4C21H25NO
- 1-Propanone, 2-[[2,6-bis(1-methylethyl)phenyl]imino]-1-phenyl-, (2Z)-920761-03-1C21H25NO
- 1-(1-Benzylpiperidin-4-yl)-3-phenyl-1-propanone301219-50-1C21H25NO
- (2S)-3-Cyclobutyl-2-(dibenzylamino)propanal1201593-68-1C21H25NO
Frequently asked questions
What is the molar mass of C21H25NO?
The molar mass of C21H25NO is 307.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 1 nitrogen atom and 1 oxygen atom. The monoisotopic mass is 307.1936 Da.
How many compounds have the formula C21H25NO?
CompoundList lists 135 compounds with the molecular formula C21H25NO, including Benztropine, 3-(Diphenylmethoxy)-8-methyl-8-azabicyclo(3.2.1)octane, [1,1'-Biphenyl]-4-carbonitrile, 4'-(octyloxy)-. 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 C21H25NO?
C21H25NO 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.