Molecular formula
C19H21NO3
544 compounds have this formula on CompoundList.
- Molar mass
- 311.38g/mol
- Monoisotopic mass
- 314.1710Da
- Atoms
- 44
- Elements
- 4
- Rings plus double bonds
- 10
The formula C19H21NO3 describes a molecule made of 19 carbon atoms, 21 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 × 1973.29%12.011 × 19 = 228.209 g/mol
- H Hydrogen × 216.80%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 14.50%14.007 × 1 = 14.007 g/mol
- O Oxygen × 315.41%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C19H21NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 301 to 400 of 544 compounds
![3-[3-(6-Methyl-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester chemical structure, C19H21NO3, CAS 579474-74-1](/s/VNHPYPILBWQVTL-UHFFFAOYSA-N.svg)
3-[3-(6-Methyl-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester
CAS 579474-74-1C19H21NO3
![2-(2,3-Dihydro-1-benzofuran-6-yl)-N-[2-(4-methoxyphenyl)ethyl]acetamide chemical structure, C19H21NO3, CAS 1435991-83-5](/s/MUJGCVANVJOICC-UHFFFAOYSA-N.svg)
2-(2,3-Dihydro-1-benzofuran-6-yl)-N-[2-(4-methoxyphenyl)ethyl]acetamide
CAS 1435991-83-5C19H21NO3
N-(Furan-2-ylmethyl)-N-(tetrahydro-2H-pyran-4-yl)cinnamamide
CAS 1448139-99-8C19H21NO3
(E)-3-(Furan-3-yl)-N-((4-phenyltetrahydro-2H-pyran-4-yl)methyl)acrylamide
CAS 1798414-31-9C19H21NO3
N-(2-Methoxy-2-(3-methoxyphenyl)ethyl)cinnamamide
CAS 1798431-83-0C19H21NO3
![N-[(2-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl]-4-methoxybenzamide chemical structure, C19H21NO3, CAS 1705651-00-8](/s/KGAILPPQXOHTCT-UHFFFAOYSA-N.svg)
N-[(2-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)methyl]-4-methoxybenzamide
CAS 1705651-00-8C19H21NO3
N-(Isochroman-3-ylmethyl)-2-(4-methoxyphenyl)acetamide
CAS 2034497-27-1C19H21NO3
2-(Benzyloxy)-N-(isochroman-3-ylmethyl)acetamide
CAS 2034581-81-0C19H21NO3
N-(Isochroman-3-ylmethyl)-3-methoxy-N-methylbenzamide
CAS 2034527-68-7C19H21NO3
![4-Methoxy-N-[(2-methoxy-2,3-dihydro-1H-inden-2-yl)methyl]benzamide chemical structure, C19H21NO3, CAS 2034444-70-5](/s/VRUVXBJJWWJZQK-UHFFFAOYSA-N.svg)
4-Methoxy-N-[(2-methoxy-2,3-dihydro-1H-inden-2-yl)methyl]benzamide
CAS 2034444-70-5C19H21NO3
![N-(Octahydrobenzo[b][1,4]dioxin-6-yl)-1-naphthamide chemical structure, C19H21NO3, CAS 1902907-34-9](/s/RYAZEKWBXRNZQY-UHFFFAOYSA-N.svg)
N-(Octahydrobenzo[b][1,4]dioxin-6-yl)-1-naphthamide
CAS 1902907-34-9C19H21NO3
![N-[(1-Hydroxycyclohex-2-en-1-yl)methyl]-2-(naphthalen-2-yloxy)acetamide chemical structure, C19H21NO3, CAS 2097936-08-6](/s/YLUATRUGUYJXFG-UHFFFAOYSA-N.svg)
N-[(1-Hydroxycyclohex-2-en-1-yl)methyl]-2-(naphthalen-2-yloxy)acetamide
CAS 2097936-08-6C19H21NO3
N-(2-(6-Hydroxy-1,2,3,4-tetrahydronaphthalen-2-yl)-5-methoxyphenyl)acetamide
CAS 2477812-38-5C19H21NO3
4H-Dibenzo(de,g)quinoline, 5,6,6a,7-tetrahydro-1,2,10-trimethoxy-, (R)-
CAS 114531-29-2C19H21NO3
1,2-Dimethoxy-11-hydroxyaporphine
CAS 95652-98-5C19H21NO3
1-(Dibenzylamino)-1-oxopropan-2-yl acetate
CAS 5455-62-9C19H21NO3
Pentyl 9H-xanthen-9-ylcarbamate
CAS 6319-59-1C19H21NO3
![{1-[2-(Naphthalen-1-ylamino)-2-oxoethyl]cyclopentyl}acetic acid chemical structure, C19H21NO3, CAS 578722-54-0](/s/JTBSSKVKMKUVOL-UHFFFAOYSA-N.svg)
{1-[2-(Naphthalen-1-ylamino)-2-oxoethyl]cyclopentyl}acetic acid
CAS 578722-54-0C19H21NO3
![2-[(Diethylamino)methyl]-3-hydroxy-4-methyl-6H-benzo[c]chromen-6-one chemical structure, C19H21NO3, CAS 843629-22-1](/s/VTALRBKAKGIDJZ-UHFFFAOYSA-N.svg)
2-[(Diethylamino)methyl]-3-hydroxy-4-methyl-6H-benzo[c]chromen-6-one
CAS 843629-22-1C19H21NO3
![(2E)-3-(2,3-Dimethoxyphenyl)-1-[4-(dimethylamino)phenyl]-2-propen-1-one chemical structure, C19H21NO3, CAS 807642-55-3](/s/IEGHSWLJASWSBP-JLHYYAGUSA-N.svg)
(2E)-3-(2,3-Dimethoxyphenyl)-1-[4-(dimethylamino)phenyl]-2-propen-1-one
CAS 807642-55-3C19H21NO3
![(6aS,7S,9aR)-2,5,6,6a,7,8,9,9a-Octahydro-6a-methyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxylic Acid chemical structure, C19H21NO3, CAS 166896-66-8](/s/UCVHDXRNRVURFC-KHYOSLBOSA-N.svg)
(6aS,7S,9aR)-2,5,6,6a,7,8,9,9a-Octahydro-6a-methyl-2-oxo-1H-indeno[5,4-f]quinoline-7-carboxylic Acid
CAS 166896-66-8C19H21NO3
![rel-N-[(1R,2R)-2-Hydroxycyclopentyl]-4-(phenylmethoxy)benzamide chemical structure, C19H21NO3, CAS 167832-42-0](/s/UNDWYHAZILNHHG-QZTJIDSGSA-N.svg)
rel-N-[(1R,2R)-2-Hydroxycyclopentyl]-4-(phenylmethoxy)benzamide
CAS 167832-42-0C19H21NO3
1-Benzyl-4-(2-methoxyphenyl)pyrrolidine-3-carboxylic acid
CAS 154205-78-4C19H21NO3
2-(Benzylphenylamino)ethyl acetoacetate
CAS 111011-83-7C19H21NO3
- Benzyl 4-(4-hydroxyphenyl)piperidine-1-carboxylate203661-82-9C19H21NO3
- Benzyl 4-(3-hydroxyphenyl)piperidine-1-carboxylate540753-03-5C19H21NO3
- 2-Morpholinemethanol, 4-(phenylmethyl)-, 2-benzoate734507-93-8C19H21NO3
- 3-[(1,3-Benzodioxol-5-yloxi)methyl-]4-phenyl-piperidineC19H21NO3
- 2-Benzyl-1-methoxymethyloxy-4-(2-pyrrolidinon-1-yl)benzene464174-34-3C19H21NO3
- Ethyl 4-(3,4-dihydro-6-methoxy-2(1H)-isoquinolinyl)benzoate406234-46-6C19H21NO3
- 17-Ethyl-6-methoxy-5alpha-6,7,8,14-tetradehydro-4,5-epoxymorphinan-3-ol1012084-72-8C19H21NO3
- (3R)-4-(2-Methoxyphenyl)-1-(phenylmethyl)-3-pyrrolidinecarboxylic acidC19H21NO3
- (9H-Fluoren-9-yl)methyl N-(3-hydroxy-2-methylpropyl)carbamate683220-92-0C19H21NO3
- 3-[(3-Methoxyphenyl)methyl]-7,7-dimethyl-7,8-dihydroquinoline-2,5(1H,6H)-dione1065273-28-0C19H21NO3
- (R)-2-(4-Hydroxy-4-phenylpiperidin-1-yl)-2-phenylacetic acid1007878-58-1C19H21NO3
- 1-(1-(4-(Benzyloxy)phenyl)ethyl)azetidine-3-carboxylic acid1240308-83-1C19H21NO3
- trans-3-(Benzyloxy)-N-Cbz-cyclobutanamine937376-04-0C19H21NO3
- Methyl 4-(2-(pyridin-3-yl)benzyl)tetrahydro-2H-pyran-4-carboxylate1361113-04-3C19H21NO3
- Ethyl 3-[2-(benzyloxy)anilino]but-2-enoate179625-75-3C19H21NO3
- Thebaine-N-(methyl-d3)782491-54-7C19H21NO3
- Thebaine 6-O-methyl-d318161-81-4C19H21NO3
- Ethyl 1-[(E)-2-{6-[(1R)-1-hydroxyethyl]isoquinolin-3-yl}ethenyl]cyclopropane-1-carboxylate1509901-03-4C19H21NO3
- 2-(4-Hydroxy-3-methoxyphenyl)-1-(3-phenylpyrrolidin-1-yl)ethanone2034320-44-8C19H21NO3
- 2-(4-Hydroxy-3-methylphenyl)-1-(3-(4-hydroxyphenyl)pyrrolidin-1-yl)ethanone2034320-80-2C19H21NO3
- 1-Benzyl-4-phenoxypiperidine-4-carboxylic acid2098076-96-9C19H21NO3
- (6aS)-5,6,6a,7-Tetrahydro-6-propyl-4H-dibenzo(de,g)quinoline-2,10,11-triol1217598-17-8C19H21NO3
- N-{2-[4-(Furan-2-yl)phenyl]-2-hydroxyethyl}cyclohex-3-ene-1-carboxamide2097903-45-0C19H21NO3
- 3-(2,3-Dihydro-1-benzofuran-5-yl)-1-(2,5-dimethylfuran-3-carbonyl)pyrrolidine2097918-31-3C19H21NO3
- 2,3-Dihydro-6,7-dimethoxy-1-methyl-2-(phenylmethyl)-4(1H)-isoquinolinone16955-94-5C19H21NO3
- 1-Benzyl-2-(3,4-dihydro-2H-1,5-benzodioxepin-7-yloxymethyl)aziridine2411263-85-7C19H21NO3
- 1-Benzyl-2-[(2,2-dimethyl-1,3-benzodioxol-4-yl)oxymethyl]aziridine2411266-80-1C19H21NO3
- Methyl 4-[[1-(cyclopropylmethyl)aziridin-2-yl]methoxy]naphthalene-2-carboxylate2418669-27-7C19H21NO3
- Methyl 1-[[1-(cyclopropylmethyl)aziridin-2-yl]methoxy]naphthalene-2-carboxylate2418719-87-4C19H21NO3
- tert-Butyl (3-(3-formylbenzyl)phenyl)carbamate2842167-81-9C19H21NO3
- rac-Benzyl (2R,4S)-4-hydroxy-2-phenylpiperidine-1-carboxylate2679859-25-5C19H21NO3
- 2H-Indol-2-one, 1,3-dihydro-3-(2-hydroxy-2-(4-methoxyphenyl)ethyl)-1,3-dimethyl-74113-38-5C19H21NO3
- 2,10-Dimethoxy-6-methyl-5,6,6a,7-tetrahydro-4H-dibenzo[de,g]quinolin-1-ol59875-21-7C19H21NO3
- 3-(2,4-Dimethoxyanilino)-1-(4-ethylphenyl)-2-propen-1-one664312-42-9C19H21NO3
- Benzoic acid, 4-[[(4-methoxyphenyl)methylene]amino]-, butyl ester14983-67-6C19H21NO3
- Ethyl 2-methyl-5-oxo-4-phenyl-4,4a,6,7-tetrahydro-1H-quinoline-3-carboxylate6710-67-4C19H21NO3
- 3,6,6-Trimethyl-N-(3-methylphenyl)-4-oxo-4,5,6,7-tetrahydro-1-benzofuran-2-carboxamide7066-35-5C19H21NO3
- tert-Butyl N-(2-oxo-1,2-diphenylethyl)carbamate212007-67-5C19H21NO3
- (2,4-Dihydroxy-5-isopropylphenyl)(5-methyl-1,3-dihydroisoindol-2-yl)methanone912999-41-8C19H21NO3
- 1-[4-(Diethylamino)-2-hydroxyphenyl]-3-phenylpropane-1,3-dione623944-99-0C19H21NO3
- 1-Naphthalenecarbonitrile, 3,4-dihydroxy-2-(1-oxooctyl)-61983-26-4C19H21NO3
- Methyl 4-[(3,4-diethylphenyl)carbamoyl]benzoate94497-52-6C19H21NO3
- Benzyl (2S)-2-[(R)-hydroxy(phenyl)methyl]pyrrolidine-1-carboxylate1644556-98-8C19H21NO3
- 3-[[4-(1,1-Dimethylethyl)benzoyl]amino]-2-methylbenzoic acid895981-07-4C19H21NO3
- 2-Methoxy-5-methyl-N-(3-methylphenyl)-I(3)-oxobenzenebutanamide1060816-43-4C19H21NO3
- Benzyl [(3-hydroxy-5,6,7,8-tetrahydronaphthalen-2-yl)methyl]carbamate71758-98-0C19H21NO3
- 5-Ethyl-3-[2-(3-methoxy-2-benzofuranyl)ethyl]-6-methyl-2(1H)-pyridinone139548-32-6C19H21NO3
- 1-[3-(Cyclopentyloxy)-4-methoxyphenyl]-2-(pyridin-4-yl)ethan-1-one159782-44-2C19H21NO3
- Methyl 4-{[(3R)-1-benzylpyrrolidin-3-yl]oxy}benzoate317358-51-3C19H21NO3
- (9H-Fluoren-9-yl)methyl N-[(2S)-1-hydroxybutan-2-yl]carbamate959700-52-8C19H21NO3
- (9H-Fluoren-9-yl)methyl N-(2-hydroxypropyl)-N-methylcarbamate1342676-72-5C19H21NO3
- (6S)-6-[4-(Benzyloxy)phenyl]-4-ethylmorpholin-3-one920799-33-3C19H21NO3
- (6R)-6-[4-(Benzyloxy)phenyl]-4-ethylmorpholin-3-one920802-93-3C19H21NO3
- Benzyl 2-[hydroxy(phenyl)methyl]pyrrolidine-1-carboxylate113864-91-8C19H21NO3
- Benzyl 4-hydroxy-2-phenylpiperidine-1-carboxylate629955-96-0C19H21NO3
- Trans-1-benzyl-4-(2-methoxyphenyl)pyrrolidine-3-carboxylic acidC19H21NO3
- Methyl 4'-[(morpholin-4-yl)methyl]-[1,1'-biphenyl]-4-carboxylate1217863-41-6C19H21NO3
- 9-{3-Methoxy-2-[(oxiran-2-yl)methoxy]propyl}-9H-carbazole160924-75-4C19H21NO3
- 2-Methoxy-N-[2-methyl-1-(3-methylphenyl)-1-oxopropan-2-yl]benzamide644980-16-5C19H21NO3
- 1-Nitro-4-{2-[4-(pentyloxy)phenyl]ethenyl}benzene62736-41-8C19H21NO3
- (9H-Fluoren-9-yl)methyl N-(4-hydroxybutan-2-yl)carbamate683220-90-8C19H21NO3
- 1-[4-(Benzyloxy)-3-methoxyphenyl]piperidin-2-one206753-47-1C19H21NO3
- (9H-Fluoren-9-yl)methyl N-(2-hydroxybutyl)carbamate1592932-75-6C19H21NO3
- Benzyl 5-hydroxy-3,3-dimethyl-1,4-dihydroisoquinoline-2-carboxylate1430564-01-4C19H21NO3
- (9H-Fluoren-9-yl)methyl (S)-(3-hydroxy-2-methylpropyl)carbamate2743962-18-5C19H21NO3
- (9H-Fluoren-9-yl)methyl N-[(3S)-3-hydroxybutyl]carbamate2415751-89-0C19H21NO3
- (9H-Fluoren-9-yl)methyl N-[(2S)-4-hydroxybutan-2-yl]carbamate1221274-40-3C19H21NO3
- tert-Butyl N-[2-oxo-2-(4-phenylphenyl)ethyl]carbamate957757-59-4C19H21NO3
- (9H-Fluoren-9-yl)methyl N-[(3R)-3-hydroxybutyl]carbamate2415751-64-1C19H21NO3
- 2-Oxopropyl N-benzyl-N-phenyl-beta-alaninate1185263-73-3C19H21NO3
- Benzyl 2-(2-methoxyphenyl)pyrrolidine-1-carboxylate1355201-88-5C19H21NO3
- Benzyl 2-(4-methoxyphenyl)pyrrolidine-1-carboxylate1355201-99-8C19H21NO3
- 1-(2,4-Dimethoxybenzyl)-1,2,3,4-tetrahydroquinoline-6-carbaldehyde1709824-85-0C19H21NO3
- Methyl 2-(4-methoxyphenyl)-1-phenylpyrrolidine-3-carboxylate1956335-90-2C19H21NO3
- 3-Azetidineacetic acid,3-(phenylmethoxy)-,phenylmethyl ester1644239-85-9C19H21NO3
- 4-(2,2-Dimethyl-4-phenylbutanamido)benzoic acid1309569-67-2C19H21NO3
Frequently asked questions
What is the molar mass of C19H21NO3?
The molar mass of C19H21NO3 is 311.38 g/mol, calculated from standard atomic weights for 19 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 314.1710 Da.
How many compounds have the formula C19H21NO3?
CompoundList lists 544 compounds with the molecular formula C19H21NO3, including 3-[3-(6-Methyl-pyridin-3-yl)-phenyl]-3-oxo-propionic acid tert-butyl ester, 2-(2,3-Dihydro-1-benzofuran-6-yl)-N-[2-(4-methoxyphenyl)ethyl]acetamide, N-(Furan-2-ylmethyl)-N-(tetrahydro-2H-pyran-4-yl)cinnamamide. 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 C19H21NO3?
C19H21NO3 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.