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
Compounds with the formula C21H25NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 142 of 142 compounds
![N-[Cyclopentyl(phenyl)methyl]-2-(4-methoxyphenyl)acetamide chemical structure, C21H25NO2, CAS 712320-13-3](/s/MVKYOLZBOLVKTI-UHFFFAOYSA-N.svg)
![[6-(2-Hydroxy-2-phenylethyl)-1-methylpiperidin-2-yl]-phenylmethanone chemical structure, C21H25NO2, CAS 1005109-24-9](/s/VTNNMVYLMVDTCG-UHFFFAOYSA-N.svg)
![Isoxazole, 4,5-dihydro-5-pentyl-3-[4-(phenylmethoxy)phenyl]- chemical structure, C21H25NO2, CAS 646035-30-5](/s/CYTKVRIKUDTSFM-UHFFFAOYSA-N.svg)
![5-Hexyl-4-hydroxy-8,9,10,11-tetrahydro-6H-pyrido[3,2,1-jk]carbazol-6-one chemical structure, C21H25NO2, CAS 654052-41-2](/s/QLCVGBDWQAABET-UHFFFAOYSA-N.svg)
![1-[2-[[1-(Cyclopropylmethyl)aziridin-2-yl]methoxy]phenyl]-2-phenylethanol chemical structure, C21H25NO2, CAS 2418734-13-9](/s/DFKMZTWGNBGUGD-UHFFFAOYSA-N.svg)
![3-Ethoxy-N-[1-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl]benzamide chemical structure, C21H25NO2, CAS 830350-31-7](/s/IXLAHHVUDIZGTH-UHFFFAOYSA-N.svg)
![N-[Cyclopentyl(phenyl)methyl]-3-ethoxybenzamide chemical structure, C21H25NO2, CAS 831247-54-2](/s/VODPOMCJGCGOGU-UHFFFAOYSA-N.svg)
![1-[(1S,2R)-1,2-Diphenyl-2-propoxyethyl]pyrrolidin-2-one chemical structure, C21H25NO2, CAS 917964-65-9](/s/DPJWFYXWTNNYCN-LEWJYISDSA-N.svg)
![1-[3-([1,1'-Biphenyl]-4-yl)-3-hydroxybutyl]piperidin-2-one chemical structure, C21H25NO2, CAS 61510-57-4](/s/KAKSVLJMNAQWCC-UHFFFAOYSA-N.svg)
![1-[3-([1,1'-Biphenyl]-4-yl)-3-hydroxybutyl]piperidin-4-one chemical structure, C21H25NO2, CAS 61510-58-5](/s/IDGRTUWONYDXPW-UHFFFAOYSA-N.svg)
![1-[(1R,2S)-1,2-Diphenyl-2-propoxyethyl]pyrrolidin-2-one chemical structure, C21H25NO2, CAS 917964-68-2](/s/DPJWFYXWTNNYCN-RTWAWAEBSA-N.svg)
![2H-Naphth[1,2-b]-1,4-oxazine, 4-ethyl-3,4,4a,5,6,10b-hexahydro-8-(phenylmethoxy)-, trans- chemical structure, C21H25NO2, CAS 88058-50-8](/s/LYWYNLISZBRQCT-SFTDATJTSA-N.svg)
![3-Phenyl-1-[2-[2-(1-pyrrolidinyl)ethoxy]phenyl]-1-propanone chemical structure, C21H25NO2, CAS 5564-77-2](/s/QEUVAYSSRLOPRJ-UHFFFAOYSA-N.svg)
- 5-(1,2-Dimethyl-1H-benzo[E]indol-1-yl)pentyl acetate2970966-04-0C21H25NO2
- 2-[(1-Hydroxycyclohexyl)-phenylmethyl]-N-methylbenzamide21868-87-1C21H25NO2
- 2-(2-(2-Methoxy-4-(prop-1-en-1-yl)phenoxy)ethyl)-1,2,3,4-tetrahydroisoquinoline723248-92-8C21H25NO2
- (S)-[(2R,4S,5R)-5-Ethenyl-1-azabicyclo[2.2.2]octan-2-yl](7-methoxynaphthalen-1-yl)methanol1326564-73-1C21H25NO2
- 3-(4-Hydroxy-1-methyl-4-phenylpiperidin-3-yl)-1-phenylpropan-1-one65161-71-9C21H25NO2
- 2-[Benzyl(cyclohexyl)amino]-1-(4-hydroxyphenyl)ethan-1-one62508-20-7C21H25NO2
- N,N-Dibenzyl-4,4-dimethyl-3-oxopentanamide87898-92-8C21H25NO2
- rac-N-((2R,4r,6S)-2,6-Dibenzyltetrahydro-2H-pyran-4-yl)acetamide1276335-20-6C21H25NO2
- N-(4-((4,7,7-Trimethyl-3-oxobicyclo[2.2.1]heptan-2-ylidene)methyl)benzyl)acrylamide113783-60-1C21H25NO2
- Methyl 3-(dibenzylamino)cyclopentane-1-carboxylate2665663-18-1C21H25NO2
- 11-[(Naphthalen-1-yl)oxy]undeca-2,4-dienamide113101-10-3C21H25NO2
- 1-{4-[(E)-{[4-(Hexyloxy)phenyl]methylidene}amino]phenyl}ethan-1-one23596-07-8C21H25NO2
- tert-Butyl 4-(4-methylphenyl)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate2803846-40-2C21H25NO2
- 1-(1-(4-(Benzyloxy)phenyl)cyclopropyl)piperidin-4-ol3078333-92-0C21H25NO2
- 3-([1,1 inverted exclamation mark-Biphenyl]-4-yl)-1-Boc-pyrrolidine2759198-73-5C21H25NO2
- 2-(Benzyloxy)-N-pentyl-4-vinylbenzamide3078438-20-4C21H25NO2
- Hexyl (E)-(2-styrylphenyl)carbamate2104040-82-4C21H25NO2
- Ethyl 2-(1-benzhydryl-3-methyl-azetidin-3-yl)acetate2940950-53-6C21H25NO2
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 N-[Cyclopentyl(phenyl)methyl]-2-(4-methoxyphenyl)acetamide, [6-(2-Hydroxy-2-phenylethyl)-1-methylpiperidin-2-yl]-phenylmethanone, Isoxazole, 4,5-dihydro-5-pentyl-3-[4-(phenylmethoxy)phenyl]-. 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.