Molecular formula
C21H25NO3
309 compounds have this formula on CompoundList.
- Molar mass
- 339.44g/mol
- Monoisotopic mass
- 339.1834Da
- Atoms
- 50
- Elements
- 4
- Rings plus double bonds
- 10
The formula C21H25NO3 describes a molecule made of 21 carbon atoms, 25 hydrogen atoms, 1 nitrogen atom and 3 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 × 2174.31%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 257.42%1.008 × 25 = 25.200 g/mol
- N Nitrogen × 14.13%14.007 × 1 = 14.007 g/mol
- O Oxygen × 314.14%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H25NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 309 compounds
Nalmefene
CAS 55096-26-9C21H25NO3
1-Ethyl-3-piperidinyl alpha-hydroxy-alpha-phenylbenzeneacetate
CAS 3567-12-2C21H25NO3
Dehydropipernonaline
CAS 107584-38-3C21H25NO3
ORG-25935 free base
CAS 1147011-84-4C21H25NO3
2,6-Bis(4-methoxyphenyl)-3,5-dimethylpiperidin-4-one
CAS 151454-11-4C21H25NO3
![2,4-Dimethoxy-N-[(1-phenylcyclopentyl)methyl]benzamide chemical structure, C21H25NO3, CAS 337497-33-3](/s/OWNPVLNGZVZJKV-UHFFFAOYSA-N.svg)
2,4-Dimethoxy-N-[(1-phenylcyclopentyl)methyl]benzamide
CAS 337497-33-3C21H25NO3
1-(4-Benzoylphenoxy)-3-(piperidin-1-yl)propan-2-ol
CAS 700854-58-6C21H25NO3
![N-[[1-(3,4-Dimethoxyphenyl)cyclopentyl]methyl]benzamide chemical structure, C21H25NO3, CAS 34974-79-3](/s/SMMHUAXSCQRSQN-UHFFFAOYSA-N.svg)
N-[[1-(3,4-Dimethoxyphenyl)cyclopentyl]methyl]benzamide
CAS 34974-79-3C21H25NO3
3-Quinolinecarboxylic acid, 1,4,5,6,7,8-hexahydro-2,7,7-trimethyl-5-oxo-4-phenyl-, ethyl ester
CAS 13337-64-9C21H25NO3
2-(1-Piperidinyl)ethyl alpha-hydroxy-alpha-phenylbenzeneacetate
CAS 4546-39-8C21H25NO3
(Z)-N-(1-Adamantyl)-4-hydroxy-4-(4-methylphenyl)-2-oxobut-3-enamide
CAS 126681-79-6C21H25NO3
1-(4-Benzylpiperidin-1-yl)-2-(4-methoxyphenoxy)ethanone
CAS 359768-60-8C21H25NO3
(E)-3-(3,4-Dimethoxyphenyl)-N-(4-phenylbutan-2-yl)prop-2-enamide
CAS 844900-58-9C21H25NO3
(4-Benzylpiperidin-1-yl)-(3,4-dimethoxyphenyl)methanone
CAS 260428-36-2C21H25NO3
1-(3,4-Dimethoxyphenyl)-N-(4-methylphenyl)cyclopentane-1-carboxamide
CAS 432018-33-2C21H25NO3
![[2-[Benzyl(propan-2-yl)amino]-2-oxoethyl] 3,4-dimethylbenzoate chemical structure, C21H25NO3, CAS 736978-12-4](/s/RBQTZRALVMAJMM-UHFFFAOYSA-N.svg)
[2-[Benzyl(propan-2-yl)amino]-2-oxoethyl] 3,4-dimethylbenzoate
CAS 736978-12-4C21H25NO3
methanone chemical structure, C21H25NO3, CAS 672951-43-8](/s/DRSKAAGCWWQPRO-UHFFFAOYSA-N.svg)
[3-(tert-Butyl)-6-methyl-2,3-dihydro-4H-1,4-benzoxazin-4-yl](3-methoxyphenyl)methanone
CAS 672951-43-8C21H25NO3
![{4-[(4-Isopropylbenzyl)oxy]phenyl}(morpholino)methanone chemical structure, C21H25NO3, CAS 866011-08-7](/s/SKAAFAHDVIZLLT-UHFFFAOYSA-N.svg)
{4-[(4-Isopropylbenzyl)oxy]phenyl}(morpholino)methanone
CAS 866011-08-7C21H25NO3
4-tert-Butyl-N-(6-propyl-1,3-benzodioxol-5-yl)benzamide
CAS 540512-30-9C21H25NO3
1-Morpholino-2-(4-(2-phenylpropan-2-yl)phenoxy)ethanone
CAS 307537-74-2C21H25NO3
![3,4-Dimethoxy-N-[(1-phenylcyclopentyl)methyl]benzamide chemical structure, C21H25NO3, CAS 334504-96-0](/s/GNXBUSNTBCDCKB-UHFFFAOYSA-N.svg)
3,4-Dimethoxy-N-[(1-phenylcyclopentyl)methyl]benzamide
CAS 334504-96-0C21H25NO3
1-(2-Hydroxyethyl)-4-piperidinyl diphenylacetate
CAS 130882-53-0C21H25NO3
![4-Acetamidophenyl 2-[4-(2-methylpropyl)phenyl]propanoate chemical structure, C21H25NO3, CAS 58357-81-6](/s/RESWMGUDQRRARI-UHFFFAOYSA-N.svg)
4-Acetamidophenyl 2-[4-(2-methylpropyl)phenyl]propanoate
CAS 58357-81-6C21H25NO3
6-(Fmoc-amino)-1-hexanol
CAS 127903-20-2C21H25NO3
- 2-(Benzylamino)-4-(4-tert-butylphenyl)-4-oxobutanoic acid1024597-17-8C21H25NO3
- 5-[Bis(2-hydroxyethyl)amino]-1,1-diphenylpent-3-yn-1-ol353762-14-8C21H25NO3
- 3-(2-Hydroxy-3,4-dimethylphenyl)-1-morpholin-4-yl-3-phenylpropan-1-one313971-58-3C21H25NO3
- n,n-Dimethyl-2-(2,3,4-trimethoxyphenanthren-1-yl)ethanamine5635-94-9C21H25NO3
- 5-Methyl-3-[3-(5-methyl-2-propan-2-ylphenoxy)propyl]-1,3-benzoxazol-2-one825599-57-3C21H25NO3
- 1-(2,4-Dihydroxy-3-((4-methylpiperidin-1-yl)methyl)phenyl)-2-phenylethanone1021218-50-7C21H25NO3
- (4-Butoxyphenyl)(2-phenylmorpholino)methanone946234-10-2C21H25NO3
- N-[3-Hydroxy-4-(hydroxymethyl)cyclopentyl]-3,3-diphenylpropanamide1421459-95-1C21H25NO3
- 2-[3-(3-Hydroxy-3-methylbutyl)benzoyl]-1,2,3,4-tetrahydro-4-isoquinolinol1377897-01-2C21H25NO3
- (4-((Benzyloxy)methyl)piperidin-1-yl)(4-methoxyphenyl)methanone1226435-86-4C21H25NO3
- 1-(6,7-Dimethoxy-1-phenethyl-3,4-dihydro-1H-isoquinolin-2-yl)-ethanone796867-90-8C21H25NO3
- N-((4-Hydroxytetrahydro-2H-pyran-4-yl)methyl)-3,3-diphenylpropanamide1351605-33-8C21H25NO3
- (2E)-N-(2,6-Diethylphenyl)-3-(2,4-dimethoxyphenyl)prop-2-enamide496779-55-6C21H25NO3
- beta-Methyl-alpha,alpha-diphenyl-4-morpholinebutanoic acid3626-55-9C21H25NO3
- 16-Oximinoestrone-3-allyl ether60834-45-9C21H25NO3
- 5 suppliers(9H-Fluoren-9-yl)methyl ((2S,3S)-1-hydroxy-3-methylpentan-2-yl)carbamate133565-46-5C21H25NO3
- Desphenethyl-(E)-styrylpropafenone88308-22-9C21H25NO3
- Propyl 2-methyl-4-(4-methylphenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate299452-20-3C21H25NO3
- 4 suppliersFmoc-L-leucinol139551-83-0C21H25NO3
- (R)-(9H-Fluoren-9-yl)methyl (1-hydroxy-4-methylpentan-2-yl)carbamate215178-41-9C21H25NO3
- Propan-2-yl 2-methyl-4-(4-methylphenyl)-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate295804-27-2C21H25NO3
- 3-[(4-Benzylpiperidin-1-yl)carbonyl]bicyclo[2.2.1]hept-5-ene-2-carboxylic acid1005110-57-5C21H25NO3
- Coumarin 521T114768-72-8C21H25NO3
- (5E)-1,2,3,4,10,11-Hexahydro-5H-spiro[benzo[c]pyrano[3,2-g]chromene-9,1'-cyclohexan]-5-one oxime1014104-43-8C21H25NO3
- N-(2,3-Dimethyl-1-oxo-1-phenylbutan-2-yl)-3-methoxy-2-methylbenzamide551963-90-7C21H25NO3
- N-(3-Benzoylpentan-3-yl)-3-methoxy-2-methylbenzamide551963-80-5C21H25NO3
- 1 suppliersEthyl p-(p-pentyloxybenzylidene)aminobenzoate37168-42-6C21H25NO3
- Butyl 2-methyl-5-oxo-4-phenyl-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate299452-32-7C21H25NO3
- Mandelic acid, alpha-(3-methylbut-1-yn-3-enyl)-, 2-methyl-3-quinuclidinyl ester101711-06-2C21H25NO3
- (4-Benzylpiperidin-1-yl)(3,5-dimethoxyphenyl)methanone260428-12-4C21H25NO3
- Ethyl 4-(4-ethylphenyl)-2-methyl-5-oxo-1,4,5,6,7,8-hexahydroquinoline-3-carboxylate299947-66-3C21H25NO3
- 1 suppliers9H-Fluoren-9-ylmethyl N-(1-hydroxy-4-methylpentan-2-yl)carbamate947137-98-6C21H25NO3
- N-(3-Acetylphenyl)-2-(2-tert-butyl-5-methylphenoxy)acetamide304891-09-6C21H25NO3
- Ethyl 2-cyclohexyl-3-(1-naphthylamino)-3-oxopropanoate339161-44-3C21H25NO3
- 1-(4-Isopropylphenyl)ethanone O-(4-isopropoxybenzoyl)oxime445257-64-7C21H25NO3
- Benzeneacetic acid, alpha-phenyl-, 2-(tetrahydro-1,4-oxazepin-4(5H)-yl)ethyl ester23202-22-4C21H25NO3
- 3-[3-(4-tert-Butylphenoxy)propyl]-5-methyl-2,3-dihydro-1,3-benzoxazol-2-one638142-24-2C21H25NO3
- [(2-Ethyl-6-methylphenyl)carbamoyl]methyl 2-phenylbutanoate923876-63-5C21H25NO3
- 2-(Diethylamino)ethyl 2,3-dihydro-3-phenyl-3-benzofurancarboxylate60022-29-9C21H25NO3
- (2E)-3-(4-Ethoxy-3-methoxyphenyl)-N-(2-ethyl-6-methylphenyl)prop-2-enamide314245-90-4C21H25NO3
- 1-(3,4-Dimethoxyphenyl)-N-(3-methylphenyl)cyclopentane-1-carboxamide431940-88-4C21H25NO3
- 4-Benzyl-1-(2,4-dimethoxybenzoyl)piperidine260428-37-3C21H25NO3
- [(1-Phenylethyl)carbamoyl]methyl 4-tert-butylbenzoate848291-74-7C21H25NO3
- Hexyl 2-phenyl-2-(phenylcarbonylamino)acetate5794-44-5C21H25NO3
- (E)-N-(2,4-Dimethoxyphenyl)-3-[4-(2-methylpropyl)phenyl]prop-2-enamide329777-60-8C21H25NO3
- N-[1-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-2-methylpropyl]-3-methylbenzamide869356-38-7C21H25NO3
- 4-Isopropyl-N-[4-(tetrahydro-2-furanylmethoxy)phenyl]benzamide925080-22-4C21H25NO3
- Benzyl benzyl((1R,2R)-2-hydroxycyclohexyl)carbamate906802-32-2C21H25NO3
- 4-{[(2,2-Dimethyl-2,3-dihydro-1-benzofuran-7-yl)oxy]methyl}-N-propylbenzamide946306-50-9C21H25NO3
- N-(1-Phenylpropyl)-4-(tetrahydro-2-furanylmethoxy)benzamide1071291-77-4C21H25NO3
- tert-Butyl 3-(3-(benzyloxy)phenyl)azetidine-1-carboxylate916900-30-6C21H25NO3
- (1-Methylpiperidin-4-yl)methyl 2-hydroxy-2,2-diphenylacetate57295-18-8C21H25NO3
- (E)-3-(2,4-Dimethoxyphenyl)-N-(2-isopropyl-6-methylphenyl)acrylamide496779-54-5C21H25NO3
- [2-(4-Ethylanilino)-2-oxoethyl] 4-tert-butylbenzoate387841-93-2C21H25NO3
- Methyl 6-(4-tert-butylphenyl)-3-methyl-4-oxo-4,5,6,7-tetrahydro-1H-indole-2-carboxylate717827-79-7C21H25NO3
- Xanthen-9-one, 4-(diethylaminomethyl)-3-isopropoxy-58741-67-6C21H25NO3
- 4-(3-Methoxy-2-propan-2-yloxyphenyl)-7,8-dimethyl-3,4-dihydro-1H-quinolin-2-one847466-25-5C21H25NO3
- [2-Oxo-2-(2,4,6-trimethylanilino)ethyl] 2-phenylbutanoate379709-71-4C21H25NO3
- N-Cyclohexyl-5-(2,3-dihydro-1H-inden-5-yloxymethyl)furan-2-carboxamide495375-78-5C21H25NO3
- (E)-3-(4-Isopropoxy-3-methoxyphenyl)-N-phenethylacrylamide691385-63-4C21H25NO3
- Propionic acid, 2-phenoxy-, alpha-(1-pyrrolidinylmethyl)benzyl ester102597-66-0C21H25NO3
- 3-Piperidinecarboxylic acid, 1-[2-(diphenylmethoxy)ethyl]-110283-70-0C21H25NO3
- Ethyl 4-(diphenylmethoxy)piperidine carboxylate65214-84-8C21H25NO3
- N-Benzyl-N-(tert-butoxycarbonyl)-L-phenylalaninal158380-76-8C21H25NO3
- 6,7-Diethoxy-4-(4-ethylphenyl)-3,4-dihydroquinolin-2(1H)-one847505-48-0C21H25NO3
- tert-Butyl 3-(2-(p-tolyl)acetyl)benzylcarbamate1017781-81-5C21H25NO3
- p-Cymene-2-carboxamide, 3-hydroxy-N-phenethyl-, acetate3894-08-4C21H25NO3
- N-Methylpiperidinyl-2-methyl benzilate94909-90-7C21H25NO3
- 4-Piperidineacetic acid, 1-benzyl-4-hydroxy-alpha-phenyl-, methyl ester101997-37-9C21H25NO3
- (2E)-3-(4-tert-Butylphenyl)-N-(2,4-dimethoxyphenyl)prop-2-enamide256955-11-0C21H25NO3
- 4-(4-Methoxyphenyl)-N-(2-phenylethyl)oxane-4-carboxamide700859-16-1C21H25NO3
- (E)-3-(3,4-Dimethoxyphenyl)-N-(4-phenylbutyl)prop-2-enamide544425-94-7C21H25NO3
- N-[(3,4-Dimethoxyphenyl)methyl]-1-phenylcyclopentane-1-carboxamide1022886-44-7C21H25NO3
- 1-(3-(Hydroxymethyl)-1H-indol-1-yl)-3-(mesityloxy)propan-2-ol879053-11-9C21H25NO3
- [4-(4-Allyloxyphenyl)butyl]carbamic acid benzyl ester587880-26-0C21H25NO3
- N-[(4-Hydroxy-1-phenylcyclohexyl)methyl]-2-methoxybenzamide267402-72-2C21H25NO3
Frequently asked questions
What is the molar mass of C21H25NO3?
The molar mass of C21H25NO3 is 339.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 339.1834 Da.
How many compounds have the formula C21H25NO3?
CompoundList lists 309 compounds with the molecular formula C21H25NO3, including Nalmefene, 1-Ethyl-3-piperidinyl alpha-hydroxy-alpha-phenylbenzeneacetate, Dehydropipernonaline. 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 C21H25NO3?
C21H25NO3 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.