Molecular formula
C21H25NO2
142 compounds have this formula on CompoundList.
- Molar mass
- 323.44g/mol
- Monoisotopic mass
- 323.1885Da
- Atoms
- 49
- Elements
- 4
- Rings plus double bonds
- 10
The formula C21H25NO2 describes a molecule made of 21 carbon atoms, 25 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 × 2177.98%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 257.79%1.008 × 25 = 25.200 g/mol
- N Nitrogen × 14.33%14.007 × 1 = 14.007 g/mol
- O Oxygen × 29.89%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H25NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 142 compounds
Piperidolate
CAS 82-98-4C21H25NO2
1-(-2-Phenethyl)-4-phenyl-4-acetoxypiperidine
CAS 64-52-8C21H25NO2
Ethyl 4-phenyl-1-(phenylmethyl)-4-piperidinecarboxylate
CAS 59084-08-1C21H25NO2
![Benzoic acid, 2-[[2-methyl-3-[4-(1-methylethyl)phenyl]propylidene]amino]-, methyl ester chemical structure, C21H25NO2, CAS 91-50-9](/s/GPMKWOCILXNQON-UHFFFAOYSA-N.svg)
Benzoic acid, 2-[[2-methyl-3-[4-(1-methylethyl)phenyl]propylidene]amino]-, methyl ester
CAS 91-50-9C21H25NO2
4-Phenyl-N-(1-phenylpropan-2-yl)oxane-4-carboxamide
CAS 428828-95-9C21H25NO2
1-(3,4-Dihydro-2H-quinolin-1-yl)-4-(2,3-dimethylphenoxy)butan-1-one
CAS 786661-03-8C21H25NO2
GE 68
CAS 158358-22-6C21H25NO2
EP-2306 free base
CAS 479483-55-1C21H25NO2
![2-[2-[2-Methoxy-4-[(E)-prop-1-enyl]phenoxy]ethyl]-3,4-dihydro-1H-isoquinoline chemical structure, C21H25NO2, CAS 1164534-31-9](/s/BHHYEQITHTZKMR-ZZXKWVIFSA-N.svg)
2-[2-[2-Methoxy-4-[(E)-prop-1-enyl]phenoxy]ethyl]-3,4-dihydro-1H-isoquinoline
CAS 1164534-31-9C21H25NO2
2-(4-Propan-2-ylphenoxy)-N-(5,6,7,8-tetrahydronaphthalen-1-yl)acetamide
CAS 432496-70-3C21H25NO2
Cambridge id 7179734
CAS 495384-57-1C21H25NO2
Ethyl 1-(4-biphenylylmethyl)-4-piperidinecarboxylate
CAS 138030-49-6C21H25NO2
1-(9H-Carbazol-9-yl)-3-(cyclohexyloxy)propan-2-ol
CAS 263745-15-9C21H25NO2
4-(2-Diethylaminoethoxy)chalcone
CAS 38766-82-4C21H25NO2
4-(2-Butoxyphenyl)-6,7-dimethyl-3,4-dihydroquinolin-2(1H)-one
CAS 433241-62-4C21H25NO2
![1-[4-(4-Methoxyphenyl)-2,2,4-trimethyl-3H-quinolin-1-yl]ethanone chemical structure, C21H25NO2, CAS 113279-29-1](/s/VOECUKHOMGRCMC-UHFFFAOYSA-N.svg)
1-[4-(4-Methoxyphenyl)-2,2,4-trimethyl-3H-quinolin-1-yl]ethanone
CAS 113279-29-1C21H25NO2
4-Isopropyl-7-methyl-2-(p-tolyl)-3a,4,7,7a-tetrahydro-1H-4,7-ethanoisoindole-1,3(2H)-dione
CAS 444336-81-6C21H25NO2
![1'-Benzyl-3-methoxyspiro[isochroman-1,4'-piperidine] chemical structure, C21H25NO2, CAS 398476-28-3](/s/POOPPNNSPMKABZ-UHFFFAOYSA-N.svg)
1'-Benzyl-3-methoxyspiro[isochroman-1,4'-piperidine]
CAS 398476-28-3C21H25NO2
1-(Adamantane-1-carbonyl)-4-phenylpyrrolidin-2-one
CAS 352554-75-7C21H25NO2
Sdz 205-152
CAS 88763-89-7C21H25NO2
![2-(2-Methoxyphenyl)-N-[(1-phenylcyclopentyl)methyl]acetamide chemical structure, C21H25NO2, CAS 371130-24-4](/s/JCYNOXMYFXOKEI-UHFFFAOYSA-N.svg)
2-(2-Methoxyphenyl)-N-[(1-phenylcyclopentyl)methyl]acetamide
CAS 371130-24-4C21H25NO2
![5,5-Dimethyl-2-[(2Z)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]cyclohexane-1,3-dione chemical structure, C21H25NO2, CAS 300814-68-0](/s/QRGITTVWNWQQTC-ODLFYWEKSA-N.svg)
5,5-Dimethyl-2-[(2Z)-2-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)ethylidene]cyclohexane-1,3-dione
CAS 300814-68-0C21H25NO2
10,11-Dimethoxy-N-n-propylnoraporphine
CAS 40285-10-7C21H25NO2
4-Hydroxy-1-methyl-4-(4-methylphenyl)-3-piperidyl 4-methylphenyl ketone
CAS 224948-87-2C21H25NO2
- 3-Diethylaminomethyl-3,3-diphenyl-2-dihydrofuranone99761-11-2C21H25NO2
- Cinnamaverine1679-75-0C21H25NO2
- N-(2-Cyclohexyl-2-hydroxyethyl)-[1,1'-biphenyl]-4-carboxamide1351616-66-4C21H25NO2
- 4-Methyl-N-n-propyldihydrexidine150811-08-8C21H25NO2
- Olopatadine methanol113835-76-0C21H25NO2
- N-[2,6-Bis(1-methylethyl)phenyl]-beta-oxo-benzenepropanamide150423-96-4C21H25NO2
- (4-(tert-Butyl)phenyl)(2-phenylmorpholino)methanone946291-98-1C21H25NO2
- 4-(4-Hydroxy-4-phenyl-1-piperidinyl)-1-phenyl-1-butanone14862-80-7C21H25NO2
- (11E)-11-[3-(Dimethylamino)propylidene]-6,11-dihydrodibenz[b,e]oxepin-2-ethanol113835-77-1C21H25NO2
- 1H-Indeno(1,2-b)pyridine, 2,3,4,4a,5,9b-hexahydro-7,8-dimethoxy-1-methyl-5-phenyl-, (4a-alpha,5-beta,9b-alpha)-88763-44-4C21H25NO2
- Myfadol4575-34-2C21H25NO2
- trans-4-[Bis(phenylmethyl)amino]cyclohexanecarboxylic acid102390-36-3C21H25NO2
- 1-(4-Benzylpiperidin-1-yl)-2-phenoxypropan-1-one4536-68-9C21H25NO2
- 4-Benzyl-1-(4-ethoxybenzoyl)piperidine333348-80-4C21H25NO2
- Carbazoquinocin E164177-49-5C21H25NO2
- Methyl 4,5-dicyclopentylquinoline-2-carboxylate753487-56-8C21H25NO2
- Methyl 2,4-dicyclopentylquinoline-3-carboxylate753487-72-8C21H25NO2
- 10-Phenyl-10-pyridin-3-yl-dec-9-enoic acid89667-45-8C21H25NO2
- 4-((4-(2-Aminoethoxy)phenyl)(cyclohexylidene)methyl)phenol918803-14-2C21H25NO2
- 7-(4-Isopropyl-phenyl)-7-pyridin-3-yl-hept-6-enoic acid89667-55-0C21H25NO2
- Acrylic acid, 3,3-diphenyl-, 2-diethylaminoethyl ester101952-46-9C21H25NO2
- 2-(4-Methoxyphenyl)-N-[(1-phenylcyclopentyl)methyl]acetamide32153-32-5C21H25NO2
- Ethyl 2,2,4-trimethyl-4-phenyl-3,4-dihydroquinoline-1(2H)-carboxylate376625-03-5C21H25NO2
- 13-Ethyl-17-hydroxy-18,19-dinorpregna-4,9,11-trien-20-yn-3-one 3-oxime82332-21-6C21H25NO2
- (2E)-3-(4-tert-Butylphenyl)-N-(4-ethoxyphenyl)prop-2-enamide256955-14-3C21H25NO2
- 3-Phenyl-N-((4-phenyltetrahydro-2H-pyran-4-yl)methyl)propanamide376371-41-4C21H25NO2
- 2-Benzofurancarboxamide,3-methyl-N-(tricyclo[3.3.1.13,7]dec-1-ylmethyl)-(9CI)588674-61-7C21H25NO2
- Methyl 4,8-dicyclopentylquinoline-2-carboxylate753487-57-9C21H25NO2
- Cyclohexanol, 1-(2-(p-(3-morpholino-1-propynyl)phenyl)ethynyl)-14991-97-0C21H25NO2
- Valerophenone, 5-morpholino-2-phenyl-38940-47-5C21H25NO2
- N-[(4-Methoxyphenyl)phenylmethyl]cyclohexanecarboxamide296274-05-0C21H25NO2
- (E)-N-(4-Ethoxyphenyl)-3-[4-(2-methylpropyl)phenyl]prop-2-enamide329777-63-1C21H25NO2
- 1-(4-(4-(Piperidinomethyl)benzyloxy)phenyl)ethanone462115-46-4C21H25NO2
- 2-Butanone, 1,1-diphenyl-1-hydroxy-4-piperidino-24860-77-3C21H25NO2
- Acetic acid, diphenyl-, 2-(1-methyl-2-pyrrolidinyl)ethyl ester102597-03-5C21H25NO2
- 1-(4-tert-Butylphenyl)-6,7-dimethoxy-3,4-dihydroisoquinoline497060-28-3C21H25NO2
- (E)-N-[2-(4-Methoxyphenyl)ethyl]-3-(4-propan-2-ylphenyl)prop-2-enamide461707-14-2C21H25NO2
- 4-(2-Butoxyphenyl)-7,8-dimethyl-1,3,4-trihydroquinolin-2-one847462-42-4C21H25NO2
- 3,5-Dimethyl-N-[(4-phenyloxan-4-yl)methyl]benzamide1091150-66-1C21H25NO2
- 3-Dibenzylamino-cyclobutanecarboxylic acid ethyl ester957793-34-9C21H25NO2
- 4-Naphthalen-2-ylmethylene-piperidine-1-carboxylic acid tert-butyl ester1093211-86-9C21H25NO2
- (2-Benzylmorpholino)(4-propylphenyl)methanone1421449-53-7C21H25NO2
- Methyl 4-[(4-benzylpiperidin-1-yl)methyl]benzoate359411-52-2C21H25NO2
- (4-(tert-Butyl)phenyl)(6-methoxy-3,4-dihydroquinolin-1(2H)-yl)methanone331850-74-9C21H25NO2
- (E)-N-[2-(4-tert-Butylphenoxy)ethyl]-3-phenylprop-2-enamide357303-93-6C21H25NO2
- 1H-Naphtho(2,1-b)pyran-1-one, 3-(dibutylamino)-52053-80-2C21H25NO2
- N-[2-(4-Methoxyphenyl)ethyl]-1-phenylcyclopentane-1-carboxamide1024206-86-7C21H25NO2
- N-(4-(tert-Butyl)phenyl)-3-(4-ethoxyphenyl)acrylamide329777-50-6C21H25NO2
- 1-Benzyl-2-methyl-3-phenylpyrrolidin-3-yl propanoate102280-73-9C21H25NO2
- 9,9-Dibutyl-2-nitro-9H-fluorene1194952-33-4C21H25NO2
- Ethyl 1-benzyl-4-(m-tolyl)pyrrolidine-3-carboxylate874990-36-0C21H25NO2
- Methyl 4-(((4-cyclohexylphenyl)amino)methyl)benzoate385837-16-1C21H25NO2
- 1,3-Dioxolane, 2,2-diphenyl-4-(1-methyl-2-piperidyl)-102107-28-8C21H25NO2
- Dibenzo(a,e)cycloheptatrien-5-ol, 1-(diethylamino)methyl-2-methoxy-42981-88-4C21H25NO2
- 2-((alpha-2-Benzofuranylbenzyl)oxy)triethylamine32779-45-6C21H25NO2
- 8-Ethyl-2,3-diphenyl-1,4-dioxa-8-azaspiro[4.5]decane5436-07-7C21H25NO2
- 4-(2,3-Dihydro-1H-inden-5-yloxymethyl)-N-(2-methylpropyl)benzamide445239-39-4C21H25NO2
- 3-[4-(tert-Butyl)phenyl]-N-(4-methoxybenzyl)acrylamide446042-25-7C21H25NO2
- (E)-3-(4-Isobutylphenyl)-N-(4-methoxybenzyl)-2-propenamide329778-76-9C21H25NO2
- N-(4-Acetylphenyl)-2-(4-isobutylphenyl)propanamide666214-18-2C21H25NO2
- N-(3-Cyclopropyl-3-hydroxypropyl)-3,3-diphenylpropanamide1396880-89-9C21H25NO2
- 1-(tert-Butylamino)-3-[2-(phenylethynyl)phenoxy]propan-2-ol102770-58-1C21H25NO2
- (1-Methyl-3,4-diphenylpiperidin-4-yl)propanoate7477-21-6C21H25NO2
- N-[[1-(4-Methoxyphenyl)cyclopentyl]methyl]-4-methylbenzamide664993-24-2C21H25NO2
- 3-Cyclopentyl-N-(4-phenylmethoxyphenyl)propanamide695168-21-9C21H25NO2
- 5-[Ethyl(2-hydroxyethyl)amino]-1,1-diphenylpent-3-yn-1-ol487009-75-6C21H25NO2
- 5-Isobutoxy-2-(2-methylbenzyl)-3,4-dihydroisoquinolin-1(2H)-one850907-68-5C21H25NO2
- Ethyl 1-benzyl-3-phenylpiperidine-4-carboxylate23019-63-8C21H25NO2
- Ethyl 6-(4-(2,6,6-trimethyl-1-cyclohexen-1-yl)-3-buten-1-ynyl)-3-pyridinecarboxylate116627-73-7C21H25NO2
- (4-Benzylpiperidin-1-yl)(4-methoxy-3-methylphenyl)methanone931793-11-2C21H25NO2
- 1-(4-Methoxypiperidin-1-yl)-3,3-diphenylpropan-1-one1207008-11-4C21H25NO2
- 3-(2-Hydroxyphenyl)-1-(3-methylpiperidin-1-yl)-3-phenylpropan-1-one1334470-13-1C21H25NO2
- 1-(2-Benzylmorpholino)-4-phenylbutan-1-one1421501-57-6C21H25NO2
- 7,8-Dihydrodiolnaftifine102141-02-6C21H25NO2
- 6-(Benzyloxy)-3-cyclohexyl-3,4-dihydro-2H-1,3-benzoxazine6639-04-9C21H25NO2
- (E)-3-(4-tert-Butylphenyl)-N-(2-ethoxyphenyl)prop-2-enamide431920-08-0C21H25NO2
Frequently asked questions
What is the molar mass of C21H25NO2?
The molar mass of C21H25NO2 is 323.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 323.1885 Da.
How many compounds have the formula C21H25NO2?
CompoundList lists 142 compounds with the molecular formula C21H25NO2, including Piperidolate, 1-(-2-Phenethyl)-4-phenyl-4-acetoxypiperidine, Ethyl 4-phenyl-1-(phenylmethyl)-4-piperidinecarboxylate. 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 C21H25NO2?
C21H25NO2 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.