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 101 to 200 of 309 compounds
N-((4-(2-Methoxyphenyl)tetrahydro-2H-pyran-4-yl)methyl)-2-methylbenzamide
CAS 1091075-03-4C21H25NO3
![N-[2-(4-Methoxyphenyl)ethyl]-4-phenyloxane-4-carboxamide chemical structure, C21H25NO3, CAS 1091142-38-9](/s/INZIMSFIGNGMSI-UHFFFAOYSA-N.svg)
N-[2-(4-Methoxyphenyl)ethyl]-4-phenyloxane-4-carboxamide
CAS 1091142-38-9C21H25NO3
![2-Oxo-2-[(4-phenylbutan-2-yl)amino]ethyl (4-methylphenyl)acetate chemical structure, C21H25NO3, CAS 1797045-12-5](/s/JUBPMEFWPZLLMB-UHFFFAOYSA-N.svg)
2-Oxo-2-[(4-phenylbutan-2-yl)amino]ethyl (4-methylphenyl)acetate
CAS 1797045-12-5C21H25NO3
![2-[(4-Butylphenyl)amino]-2-oxoethyl (4-methylphenyl)acetate chemical structure, C21H25NO3, CAS 1798043-71-6](/s/FGKFHTTULVYCMX-UHFFFAOYSA-N.svg)
2-[(4-Butylphenyl)amino]-2-oxoethyl (4-methylphenyl)acetate
CAS 1798043-71-6C21H25NO3
![{[(2-Methylphenyl)methyl]carbamoyl}methyl 4-tert-butylbenzoate chemical structure, C21H25NO3, CAS 1794938-63-8](/s/ZYDKCMFEDHOYBH-UHFFFAOYSA-N.svg)
{[(2-Methylphenyl)methyl]carbamoyl}methyl 4-tert-butylbenzoate
CAS 1794938-63-8C21H25NO3
![{[3-(Propan-2-yl)phenyl]carbamoyl}methyl 2-phenylbutanoate chemical structure, C21H25NO3, CAS 1794982-25-4](/s/OLEUIRIUMYKTLT-UHFFFAOYSA-N.svg)
{[3-(Propan-2-yl)phenyl]carbamoyl}methyl 2-phenylbutanoate
CAS 1794982-25-4C21H25NO3
Cyclohepta(b)-1,3-dioxolo(4,5-f)indole, 5,6,7,8,9,10-hexahydro-5-(cyclopentylacetyl)-
CAS 50332-39-3C21H25NO3
Mandelic acid, alpha-(1-cyclopentenyl)-, (1-azabicyclo(2.2.2)oct-2-en-3-yl)methyl ester
CAS 93101-74-7C21H25NO3
Mandelic acid, alpha-(3-methyl-1-butyn-3-enyl)-, 2-alpha-tropanyl ester, L-(+)-
CAS 101711-08-4C21H25NO3
(4-Hydroxy-1-methylpiperidin-4-yl)methyl diphenylacetate
CAS 102585-49-9C21H25NO3
Ethyl 2-(hydroxy-diphenyl-methyl)piperidine-1-carboxylate
CAS 21901-79-1C21H25NO3
![Methyl 2-{[2-(4-isobutylphenyl)propanoyl]amino}benzoate chemical structure, C21H25NO3, CAS 177585-57-8](/s/YEXHCFKQXHVBBR-UHFFFAOYSA-N.svg)
Methyl 2-{[2-(4-isobutylphenyl)propanoyl]amino}benzoate
CAS 177585-57-8C21H25NO3
4-Piperidineacetic acid, 4-hydroxy-1-methyl-, diphenylmethyl ester
CAS 101997-38-0C21H25NO3
(1-Formyl-2,2-diphenyl-ethyl)-methyl-carbamic acid tert-butyl ester
CAS 182493-19-2C21H25NO3
Benzyl 4-(2-piperidin-4-yl-ethoxy)-benzoate
CAS 907159-03-9C21H25NO3
![2-(4-Ethoxyphenyl)-N-[(2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl]acetamide chemical structure, C21H25NO3, CAS 1421509-44-5](/s/GHZLBYMHNVCJBR-UHFFFAOYSA-N.svg)
2-(4-Ethoxyphenyl)-N-[(2-hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl]acetamide
CAS 1421509-44-5C21H25NO3
![N-[(2-Methoxyadamantan-2-yl)methyl]-1-benzofuran-2-carboxamide chemical structure, C21H25NO3, CAS 1798039-62-9](/s/RMMYFORYEDJPRC-UHFFFAOYSA-N.svg)
N-[(2-Methoxyadamantan-2-yl)methyl]-1-benzofuran-2-carboxamide
CAS 1798039-62-9C21H25NO3
tert-Butyl (1S,2R)-2-(4-(benzyloxy)phenyl)cyclopropylcarbamate
CAS 1221595-66-9C21H25NO3
Nalmefene impurity 5
CAS 738552-29-9C21H25NO3
![1-{[Acetyl(cyclohexyl)amino]methyl}naphthalen-2-yl acetate chemical structure, C21H25NO3, CAS 6642-11-1](/s/CTKBGFGRPPGARZ-UHFFFAOYSA-N.svg)
1-{[Acetyl(cyclohexyl)amino]methyl}naphthalen-2-yl acetate
CAS 6642-11-1C21H25NO3
2,6-Methano-4H-1,4-benzoxazocine, 3,4,5,6-tetrahydro-4-(3,4-dimethoxyphenethyl)-
CAS 67293-79-2C21H25NO3
![N-Cyclohexyl-4-[(3-methoxyphenoxy)methyl]benzamide chemical structure, C21H25NO3, CAS 514220-79-2](/s/ICFBCWXJUOHZKL-UHFFFAOYSA-N.svg)
N-Cyclohexyl-4-[(3-methoxyphenoxy)methyl]benzamide
CAS 514220-79-2C21H25NO3
tert-Butyl benzyl(3-phenylpropanoyl)carbamate
CAS 908072-48-0C21H25NO3
4,5-Dihydro-2-(3-methoxy-2-((2-methoxy-4-methylphenyl)methyl)phenyl)-4,4-dimethyloxazole
CAS 121259-56-1C21H25NO3
- Methyl 2,7,7-trimethyl-4-(3-methylphenyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarboxylate354548-14-4C21H25NO3
- 3-(7,10-Dimethoxy-1,2,3,4,10b,4a-hexahydro-6H-benzo[c]chromen-6-yl)phenylamine1013788-44-7C21H25NO3
- 2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-(4-isopropylphenyl)acetamide946306-06-5C21H25NO3
- 1-[2-(2,3-Dihydro-1,4-benzodioxin-2-yl)ethyl]-4-phenylpiperidin-4-ol62590-24-3C21H25NO3
- 1-[Benzyl(2-methoxybenzyl)amino]-3-(2-propynyloxy)-2-propanol1016890-89-3C21H25NO3
- N-(2,3-Dimethylphenyl)-4-(2-methoxyphenyl)oxane-4-carboxamide1091138-49-6C21H25NO3
- 4-[(E)-{[4-(Heptyloxy)phenyl]methylidene}amino]benzoic acid15012-51-8C21H25NO3
- (4-Isopropoxyphenyl)(3-(4-methoxyphenyl)pyrrolidin-1-yl)methanone1211661-22-1C21H25NO3
- 2-(3-Methoxyphenyl)-N-((4-phenyltetrahydro-2H-pyran-4-yl)methyl)acetamide1207011-54-8C21H25NO3
- 2-Phenoxy-N-((4-phenyltetrahydro-2H-pyran-4-yl)methyl)propanamide1208926-26-4C21H25NO3
- (2,5-Dimethyl-pyrrolidin-1-yl)-{2-hydroxy-6-[2-(4-hydroxy-phenyl)-ethyl]-phenyl}-methanone1171924-53-0C21H25NO3
- 2-Benzyloxymethyl-2,3-dihydro-indole-1-carboxylic acid tert-butyl ester869860-49-1C21H25NO3
- 6-(2-Hydroxy-1,1-dimethyl-ethyl)-2-(4-methoxy-benzyl)-3,4-dihydro-2H-isoquinolin-1-one1198765-09-1C21H25NO3
- 3-[3-(2-Isopropyl-pyridin-4-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester579476-03-2C21H25NO3
- 3-[3-(6-Isopropyl-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester579475-32-4C21H25NO3
- 3-[3-(2-Ethyl-6-methyl-pyridin-4-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester579475-82-4C21H25NO3
- N-(3-Hydroxy-3-phenylpropyl)-4-phenyloxane-4-carboxamide1396790-47-8C21H25NO3
- tert-Butyl 3-(4-(benzyloxy)phenyl)azetidine-1-carboxylate916899-84-8C21H25NO3
- 1-Methylpiperidin-4-yl methoxy(diphenyl)acetate60569-20-2C21H25NO3
- Benzamide, 4-(1,1-dimethylethyl)-N-methyl-N-(2-(1-oxopropoxy)phenyl)-80495-81-4C21H25NO3
- Heptyl 9H-xanthen-9-ylcarbamate6326-09-6C21H25NO3
- N-(2,2-Diethoxyethyl)-1-(1,4-dimethyldibenzofuran-2-yl)methanimine23018-20-4C21H25NO3
- [1-[(Dimethylamino)methyl]cyclopropyl]methyl 2-hydroxy-2,2-diphenylacetate39943-09-4C21H25NO3
- 3-(3-Methylbutoxy)-N-[3-(2-propen-1-yloxy)phenyl]benzamide898138-47-1C21H25NO3
- 2-(3-Methylphenoxy)-N-[3-[(2-methyl-2-propen-1-yl)oxy]phenyl]butanamide903445-91-0C21H25NO3
- 6,7-Dimethoxy-1-(4-pyrrolidinylphenyl)isochromane924835-58-5C21H25NO3
- N-((4-Phenyltetrahydro-2H-pyran-4-yl)methyl)-2-(o-tolyloxy)acetamide1091074-14-4C21H25NO3
- 1 suppliers(9H-Fluoren-9-yl)methyl N-(1-hydroxy-3-methylpentan-2-yl)carbamate1823655-77-1C21H25NO3
- Methyl (2S,5R)-5-(dibenzylamino)tetrahydro-2H-pyran-2-carboxylate1398569-85-1C21H25NO3
- Benzyl benzyl(2-hydroxycyclohexyl)carbamate906802-33-3C21H25NO3
- N-(2-Oxoethyl)-N-phenethyl-3-phenethyloxy-propanamide925242-65-5C21H25NO3
- Ethyl 4-(1-benzyl-4-hydroxypiperidin-4-yl)benzoate912947-39-8C21H25NO3
- N-(1-(2,3-Dihydrobenzofuran-5-yl)propan-2-yl)-3-(4-methoxyphenyl)propanamide2034574-05-3C21H25NO3
- (9H-Fluoren-9-yl)methyl (S)-(1-hydroxy-4-methylpentan-3-yl)carbamate1221274-38-9C21H25NO3
- N-[2-Hydroxy-2-(oxan-4-yl)-2-phenylethyl]-2-methylbenzamide2034402-45-2C21H25NO3
- (9H-Fluoren-9-yl)methyl (R)-(1-hydroxy-4-methylpentan-3-yl)carbamate1353293-66-9C21H25NO3
- tert-Butyl 7-(benzyloxy)-3,4-dihydroisoquinoline-2(1H)-carboxylate2757409-70-2C21H25NO3
- 4-[[Di(propan-2-yl)amino]methyl]-3-methoxyxanthen-9-one27500-70-5C21H25NO3
- 1-[(3,5-Dimethylphenyl)-(4-methoxyphenyl)methyl]pyrrolidine-2-carboxylic acid5125-74-6C21H25NO3
- (+)-2-alpha-Tropan-2-ol, (±)-2-(2-methyl-1-buten-3-ynyl)-2-phenylglycolate64471-21-2C21H25NO3
- N,N-Dibenzyl-3-(2-methyl-1,3-dioxolan-2-yl)propanamide65790-26-3C21H25NO3
- Stereoisomer of 4-[[(1-phenylcyclopropyl)carbonyl]amino]tricyclo[3.3.1.13,7]decane-1-carboxylic acid897394-70-6C21H25NO3
- 1-Naphthalenecarbonitrile, 3,4-dihydroxy-2-(1-oxodecyl)-61983-28-6C21H25NO3
- Methyl (2S,4S)-4-[4-(1-methyl-1-phenylethyl)-phenoxy]-2-pyrrolidinecarboxylate1217784-47-8C21H25NO3
- (9H-Fluoren-9-yl)methyl (2-(hydroxymethyl)-3-methylbutyl)carbamate1857777-51-5C21H25NO3
- Benzenecarboximidic acid, N-(2,4-dimethoxyphenyl)-, 2-hexenyl ester914220-73-8C21H25NO3
- Nalmefene impurity 23131378-67-1C21H25NO3
- (9H-Fluoren-9-yl)methyl N-(3-hydroxypropyl)-N-(propan-2-yl)carbamate1342103-79-0C21H25NO3
- (9H-Fluoren-9-yl)methyl N-(2-ethyl-1-hydroxybutan-2-yl)carbamate1339320-13-6C21H25NO3
- (9H-Fluoren-9-yl)methyl N-butyl-N-(2-hydroxyethyl)carbamate1344323-36-9C21H25NO3
- (9H-Fluoren-9-yl)methyl N-(2-ethyl-2-hydroxybutyl)carbamate1482484-39-8C21H25NO3
- N,N-Diethyl-2,3-dimethoxy-6-(2-phenylethenyl)benzamide88431-02-1C21H25NO3
- 1-(Heptyloxy)-4-[2-(4-nitrophenyl)ethenyl]benzene62736-43-0C21H25NO3
- 4-[Acetyl(4-methylphenyl)amino]-4-phenylbutan-2-yl acetate918530-12-8C21H25NO3
- tert-Butyl 6-(benzyloxy)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate164148-88-3C21H25NO3
- (9H-Fluoren-9-yl)methyl N-ethyl-N-(2-hydroxy-2-methylpropyl)carbamate1500663-69-3C21H25NO3
- (9H-Fluoren-9-yl)methyl N-(2-ethyl-4-hydroxybutyl)carbamate1500816-50-1C21H25NO3
- tert-Butyl 4-(2-(p-tolyl)acetyl)benzylcarbamate1017781-77-9C21H25NO3
- Benzophenone, 4-methoxy-4a(2)-(2-piperidinoethoxy)-13380-43-3C21H25NO3
- 1-(6-Phenoxy-2-pyridinyl)ethyl 2,2,3,3-tetramethylcyclopropanecarboxylate100155-76-8C21H25NO3
- 4-[3-(2-Methoxyphenoxy)-1-pyrrolidinyl]-1-phenyl-1-butanone21756-60-5C21H25NO3
- 2-[Cyclobutyl(phenylmethyl)amino]-1-(3,5-dimethoxyphenyl)ethanone50841-52-6C21H25NO3
- tert-Butyl N-(2-{2'-methyl-[1,1'-biphenyl]-3-yl}-1-oxopropan-2-yl)carbamate2229486-10-4C21H25NO3
- tert-Butyl (1-(3'-acetyl-[1,1'-biphenyl]-4-yl)ethyl)carbamate3078344-63-2C21H25NO3
- 8-{[(6-Oxocyclohexa-2,4-dien-1-ylidene)(phenyl)methyl]amino}octanoic acid62665-95-6C21H25NO3
- 1-Propanamine, 3-dibenz(b,e)oxepin-11(6H)-ylidene-N,N-dimethyl-, acetate72306-59-3C21H25NO3
- (5S,6R)-5-(Benzyloxy)-1-(4-methoxybenzyl)-6-methylpiperidin-2-one763105-90-4C21H25NO3
- 1-({5-[Bis(5-methylfuran-2-yl)methyl]furan-2-yl}methyl)piperidine112291-14-2C21H25NO3
- N-(5-Cyclohexyl-2-methoxyphenyl)-3-hydroxy-4-methylbenzamide926277-90-9C21H25NO3
- 8-{2-[Ethyl(methyl)amino]ethyl}-3,6-dimethoxyphenanthren-4-ol91295-76-0C21H25NO3
- N-{4',6',7',8',9',10'-Hexahydro-3'H-1',11'-dioxaspiro[cyclohexane-1,2'-tetraphen]-10'-ylidene}hydroxylamine1133822-78-2C21H25NO3
- (9H-Fluoren-9-yl)methyl N-[(2R)-1-hydroxy-3,3-dimethylbutan-2-yl]carbamate2763891-06-9C21H25NO3
- (9H-Fluoren-9-yl)methyl N-[(2S)-1-hydroxy-3,3-dimethylbutan-2-yl]carbamate1139710-54-5C21H25NO3
- (9H-Fluoren-9-yl)methyl N-[(2S)-2-hydroxy-3,3-dimethylbutyl]carbamate2763888-56-6C21H25NO3
- 4-[4-Methoxy-4-[(3-methylphenyl)methyl]piperidin-1-yl]benzoic acid1235865-07-2C21H25NO3
- 4-[(E)-({4-[(Heptan-3-yl)oxy]phenyl}imino)methyl]benzoic acid388575-29-9C21H25NO3
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 N-((4-(2-Methoxyphenyl)tetrahydro-2H-pyran-4-yl)methyl)-2-methylbenzamide, N-[2-(4-Methoxyphenyl)ethyl]-4-phenyloxane-4-carboxamide, 2-Oxo-2-[(4-phenylbutan-2-yl)amino]ethyl (4-methylphenyl)acetate. 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.